Ablepharus L.Pleistocene - Angellis

Genus/Species Skull Height Length Weight Stage 

Ablepharus L.Pleistocene 

A. borealis 15 cm? L.Pleistocene 

Acadiella U.Triassic 

A. psalidodon U.Triassic 

Acaenasuchus U.Triassic 

A. geoffroyi Carnian 

Acanthodactylus U.Pliocene-Recent 

cf. A. 1 cm? U.Pliocene 

Acanthotoposaurus see Youngina U.Permian 

A. bremneri see Youngina capensis U.Permian 

Acerodontosaurus 30 cm? U.Permian 

Acerosodontosaurus see Acerodontosaurus? 

Aciprion 3 cm M-U.Oligocene 

A. formosum 3 cm Chadronian-Orellan 

A. majus see Aciprion formosum Orellan 

A. sp. U.Oligocene 

A. sp. Orellan 

A. sp. Chadronian 

Acleisterorhinus see Acleistorhinus 

Acleistorhinus L.Permian 

A. pteroticus(pteronicus) Leonardian 

Acompsosaurus U.Triassic 

A. wingatensis U.Triassic 

Acrodenta U.Triassic 

A. irerhi U.Triassic 

Acrosaurus see Pleurosaurus 

A. frischmanni U.Jurassic 

Acteosaurus 41 cm M.Cretaceous 

A. crassicostatus M.Cretaceous 

A. tommasinii 

Adamisaurus U.Cretaceous 

A. magnidentatus 4.3 cm U.Cretaceous 

Adaphosaurus see Edaphosaurus 

Adarnisaurus 

Adelosaurus U.Permian 

A. huxleyi U.Permian 

Adriosaurus see Acteosaurus 

A. suessi Cenomanian-Turonian 

Aegirosaurus U.Jurassic 

A. leptospondylus U.Jurassic 

Aenigmosaurus U.Permian-L.Triassic 

A. grallator U.Permian-L.Triassic 

Aerosaurus 10 cm 76 cm L-U.Permian 

A. greenleeorum Wolfcampian 

A. wellesi 10 cm? 76 cm? L-U.Permian 

Aetosauroides 1.5 m U.Triassic 

A. scagliai(scagliari) see Stagonolepis robertsoni U.Triassic 

Aetosaurus L-U.Triassic 

A. arcuatus(arctuatus) L-U.Triassic 

A. crassicauda 1.5 m Triassic

A. ferratus 90 cm Norian 

A. sp. Carnian 

Agama M.Paleocene-U.Miocene 

A. galliae U.Eocene-L.Oligocene 

A. sinensis M.Paleocene 

A. sp. U.Miocene 

Aigialosaurus 1.8 m M.Cretaceous 

A. buccichi(bucchichi) 18 cm 1.8 m M.Cretaceous 

A. dalmaticus 11 cm? 1 m? M.Cretaceous 

Aldzadasaurus see Alzadasaurus 

A. columbiensis see Alzadasaurus columbiensis 

Alethesaurus see Chamops 

A. quadratus see Chamops segnis Maastrichtian 

Altanteius U.Cretaceous 

A. facilis U.Cretaceous 

Alzadasaurus 9.2 m L.Cretaceous 

A. colombiensis see Callawayasaurus 

A. columbiensis see Callawayasaurus 

A. kansasensis see Styxosaurus snowi 

A. pembertoni see Styxosaurus snowi 

A. riggsi see Thalassomedon hanningtoni 

A. serpentinus 

A. tropicus L.Cretaceous 

Amblyolacerta M.Miocene 

A. dolnicensis Orleanian 

Ameiva U.Pleistocene-Recent 

A. auberi 

A. a. thoracica 18 cm? Rancholabrean-Recent 

A. chrysolaema living Jungle Runner Rancholabrean-Recent 

A. exsul 30 cm? Rancholabrean-Recent 

A. griswoldi Rancholabrean-Recent 

A. sp. 2.5 cm? Pleistocene 

A. taeniura living Jungle Runner Rancholabrean-Recent 

Amphekepubis 9.2 m U.Cretaceous 

A. johnsoni 9.2 m Santonian 

Amphibolurus Pleistocene 

A. sp. Pleistocene 

Amphorosteus U.Cretaceous 

A. brumbyi indeterminate material U.Cretaceous 

Anarosaurus M.Triassic 

A. heterodontus 5 cm? Anisian 

A. multidentatus see Cymatosaurus multidentatus 

A. pumilio(pumilis) 7.6 cm? Anisian 

Anchaosaurus U.Cretaceous 

A. gilmorei U.Cretaceous 

Anchaurosaurus U.Cretaceous 

A. gilmorei Campanian 

Ancistrodon see Ankistrodon 

Ancylocentrum see Prognathodon 

Angelosaurus U.Permian 

A. dolani U.Permian

A. greeni U.Permian 

A. romeri U.Permian 

Angingosaurus see Anquingosaurus 

Angistorhinopsis see Rutiodon 

A. ruetimeyeri see Rutiodon ruetimeyeri 

Angistorhinus 9.8 m? U.Triassic 

A. aeolamnis 68 cm? Carnian 

A. alticephalus 122 cm 9.8 m? Carnian 

A. gracilis Carnian 

A. grandis 70 cm? Carnian 

A. maximus Carnian 

A. megalodon 124 cm 9.8 cm? Carnian 

A. talainti Carnian 

Angolasaurus U.Cretaceous 

A. bocagei see Platecarpus bocagei Turonian 

Anguingosaurus see Anquingosaurus 

Anhuisaurus preoccupied, see Chensaurus 

Anolis L.Miocene-Recent 

A. dominicanus L.Miocene-Pleistocene 

Angolosaurus see Angolasaurus 

A. bocagei see Angolasaurus bocagei 

Anguinosaurus see Pleurosaurus 

Anguis Oligocene-Pleistocene 

A. acutidentatus nomen dubium M.Miocene 

A. bibronianus see Ophisaurus bibronianus U.Miocene 

A. cf. Fragilis U.Pliocene-M.Pleistocene 

A. fragilis living Slow Worm Irvingtonian-Recent 

A. laurillardi see Ophisaurus laurillardi U.Miocene 

A. lemanensis nomen dubium U.Oligocene 

A. polgardiensis see Ophisaurus pannonicus 

A. robustus L.Miocene 

A. sp. L.Oligocene 

A. stammeri U.Pleistocene 

Anguisaurus see Pleurosaurus 

Anhuisaurus L.Triassic 

A. chaoxianensis see Chaohusaurus geishanensis Spathian 

A. faciles see Chaohusaurus geishanensis Spathian 

A. huainanensis indeterminate material Paleocene 

Anisimova? see Microcnemus sp. 

Anisodontosaurus L.Triassic 

A. greeri L.Triassic 

Ankistrodon see Chasmatosaurus L.Triassic 

A. indicus see Chasmatosaurus indicus L.Triassic 

Ankylosphenodon M.Cretaceous 

A. pachyostosus Albian 

Anniella U.Miocene-Recent 

A. sp. U.Miocene 

Anningia U.Permian 

A. megalops nomen vanum U.Permian 

Anolis U.Oligocene-Recent 

A. angusticeps living 8 cm? Rancholabrean-Recent

A. bimaculatus 

A. b. leachii 24 cm? U.Pleistocene-Recent 

A. carolinensis living Green Anole Irvingtonian-Recent 

A. cf. Cristatellus 14 cm? Holocene 

A. chlorocyanus living 12 cm? Rancholabrean-Recent 

A. coelestinus Holocene 

A. cuvieri 3.7 cm 40 cm? Rancholabrean 

A. cybotes living 15 cm? Rancholabrean-Recent 

A. distichus 10 cm? Rancholabrean-Recent 

A. dominicanus 9 mm 14 cm? L.Miocene 

A. electrum 5 mm 6 cm? U.Oligocene-M.Miocene 

A. equestris living Holocene-Recent 

A. evermanni living 10 cm? Rancholabrean-Recent 

A. krugi living Rancholabrean-Recent 

A. leachii see Anolis bimaculatus leachii 

A. lucius Holocene 

A. occultus living 9 cm? Rancholabrean-Recent 

A. ricordi 38 cm? Rancholabrean-Holocene 

A. roquet living Holocene-Recent 

A. sagrei living 15 cm? Rancholabrean-Recent 

A. sp. L-U.Miocene 

A. sp. Pleistocene-Holocene 

A. spp. Rancholabrean-Holocene 

A. wattsii 

A. w. foresti see Anolis spp. Holocene 

Anomocephalus 

A. africanus 

Anomoiodon L.Triassic 

A. liliensterni L.Triassic 

Anomosaurus see Placodus 

A. no species given see Placodus gigas 

A. strunzi see Placodus gigas 

Anquingosaurus M.Paleocene 

A. brevicephalus M.Paleocene 

Anshunsaurus U.Triassic 

A. huangguoshuensis 35 cm? 3 m Ladinian-Carnian 

Anthodon 1 m U.Permian 

A. chlynoviensis see Deltavjatia vjatkensis Tatarian 

A. gregoryi 38 cm U.Permian 

A. haughtoni indeterminate material 

A. minusculus U.Permian 

A. nesemanni 23 cm U.Permian 

A. rossicus see Deltavjatia vjatkensis Tatarian 

A. serrarius see Deltavjatia vjatkensis Tatarian 

A. sp. U.Permian 

Anthracodromeus 16 cm? M.Pennsylvanian 

A. longipes Westphalian 

A. sp. Westphalian 

Apatodontosaurus see Ophthalmosaurus U.Jurassic 

Aphanizocnemus U.Cretaceous 

A. libanensis U.Cretaceous

Aphelosaurus U.Permian 

A. lutevensis U.Permian 

Aphrosaurus 10.2 m U.Cretaceous 

A. furlongi see Morenosaurus stocki Maastrichtian 

Apodosauriscus L.Eocene 

A. minutus Wasatchian 

Apractocleides see Apractocleidus 

A. aldingeri see Apractocleidus 

Apractocleidus see Cryptocleidus 

A. aldingeri see Cryptocleidus aldingeri 

A. teretipes see Cryptocleidus eurymerus 

Apsisaurus L.Permian 

A. witteri 

Aptychodon U.Cretaceous 

Araeosaurus U.Cretaceous 

Araeoscelis 4.4 cm 60 cm L.Permian 

A. casei Wolfcampian 

A. gracilis 9 cm? Wolfcampian 

Archaeobelus see Clepsydrops L.Permian 

A. vellicatus see Clepsydrops collettii L.Permian 

Archaeobolus see Archaeobelus L.Permian 

A. vellicatus see Archaeobelus vellicatus L.Permian 

Archaeonectrus 50 cm 3.8 m L.Jurassic 

A. rostratus 50 cm 3.8 m Sinemurian 

Archaeothyris 9 cm 10 cm 50 cm M.Pennsylvanian 

A. florensis M.Pennsylvanian 

A. sp. Westphalian 

Archaeovenator U.Pennsylvanian 

A. hamiltonensis 3 cm? 34 cm? Stephanian 

Archerpeton see Amphibia Index L.Pennsylvanian 

A. anthracos Westphalian 

Archosaurus 28 cm 1.5 m U.Permian 

A. rossicus 28 cm Tatarian 

Archovaranus M.Jurassic 

A. klameliensis M.Jurassic 

Ardeosaurus 20 cm U.Jurassic 

A. brevipes 16 cm? U.Jurassic 

A. cf. Digitalellus U.Jurassic 

A. digitalellus 16 cm? U.Jurassic 

A. schroederi see Eichstaettisaurus schroederi 

Arganarhinus U.Triassic 

A. magnoculus 27.5 cm U.Triassic 

Argentinasuchus see Argentinosuchus? U.Triassic 

Argentinosuchus 15 cm 91 cm U.Triassic 

A. bonapartei see Stagonolepis robertsoni Carnian 

Aristelliger U.Pleistocene-Holocene 

A. lar Rancholabrean-Holocene 

A. praesignis Rancholabrean-Holocene 

A. sp. Rancholabrean 

A. titan see Aristelliger lar Rancholabrean-Holocene 

Aristodesmus see Sclerosaurus

A. ruetimeyeri(rutimeyeri) see Sclerosaurus armatus Triassic 

Aristonectes 73.5 cm 8.3 m U.Cretaceous 

A. parvidens 73.5 cm 8.3 m Maastrichtian 

A. sp. see Aristonectes parvidens Maastrichtian 

Arizonasaurus L-M.Triassic 

A. babbitti Anisian 

Armandisaurus L.Miocene 

A. explorator Burdigalian-Hemphillian 

Arpadosaurus L.Eocene 

A. gazinorum 7 cm? Wasatchian 

Arretosaurus U.Eocene 

A. ornatus 8.5 cm? U.Eocene-Oligocene 

Arribasaurus see Ophiacodon 

A. navajovicus see Ophiacodon navajovicus L.Permian 

Arribasuchus U.Triassic 

A. buceros Rhaetian 

Asiacephalosaurus see Clevosaurus L.Jurassic 

A. wangi see Clevosaurus wangi L.Jurassic 

Askeptosaurus 20 cm 2 m M.Triassic 

A. italicus 2 m M.Triassic 

Atokasaurus L.Cretaceous 

A. metarsiodon Aptian-Albian 

Attenborosaurus 43 cm 5.1 m L.Jurassic 

A. conybeari(conybeare) 43 cm 5.1 m Sinemurian 

Augustasaurus M.Triassic 

A. hagdorni 37 cm 4 m? Anisian 

Axonoscincus L.Eocene 

A. sabatieri 1.5 cm? Ypresian 

Azendhosaurus U.Triassic 

A. laaroussii Carnian 

Baeotherates L.Permian 

B. fortsillensis L.Permian 

Bainguis U.Cretaceous 

B. parvus 2.2 cm Campanian 

B. sp. U.Cretaceous 

Baldwinonus L.Permian 

B. dunkardensis L.Permian 

B. trux L.Permian 

Baptanodon 4 m U.Jurassic 

B. discus U.Jurassic 

B. marshi 

B. natans U.Jurassic 

B. reedi 

B. robustus 

Baptosaurus U.Cretaceous 

B. fraternus see Plioplatecarpus depressus 

B. onchognathus see Halisaurus onchognathus 

B. platyspondylus see Halisaurus platyspondylus 

Barasaurus U.Permian 

B. besairiei 2.5 cm? U.Permian 

Barista Pleistocene

B. cf. Imbricata Pleistocene 

B. imbricata 

Barungoia U.Cretaceous 

B. vasta 2.25 cm U.Cretaceous 

Baseodon see Mosasaurus 

Bashkyoleter U.Permian 

B. bashkyricus U.Permian 

B. mesensis U.Permian 

Basicranodon L.Permian 

B. fortsillensis L.Permian 

Basileosaurus see Sclerosaurus L.Triassic 

Basiliscus Holocene 

B. vittatus Holocene 

Basutodon 

Bathyglyptus see Dimetrodon 

B. theodori see Dimetrodon grandis 

Bathygnathus L.Permian 

B. borealis L.Permian 

Bathyspondylus 2.15 m U.Jurassic 

B. swindoniensis 2.15 m Kimmeridgian 

Batrachiosaurus see Mosasaurus 

Batrachosaurus see Heleosuchus 

B. griesbachi see Heleosuchus griesbachi 

Batrachotherium see Mosasaurus 

Batrachotomus M.Triassic 

B. kupferzellensis 6.5 cm? 39 cm? Anisian 

Bavarisaurus U.Jurassic 

B. cf. Macrodactylus U.Jurassic 

B. macrodactylus 16 cm? U.Jurassic 

Bayloria see Captorhinus 

B. morei immature specimen of Captorhinus aguti 

Becklesisaurus see Becklesius 

B. brodiei probably Becklesius hoffstetteri 

B. hoffstetteri see Becklesius hoffstetteri 

B. scincoides see Paramacellodus oweni 

Becklesius U.Jurassic 

B. cataphractus Barremian 

B. hoffstetteri 2.3 cm? Kimmeridgian 

Belebey U.Permian 

B. maximi probably B. vegrandis 

B. vegrandis 3.3 cm? Kazanian 

Belodon 3 m U.Triassic 

B. buceros see Arribasuchus buceros U.Triassic 

B. ingens U.Triassic 

B. kapffi see Nicrosaurus kapffi U.Triassic 

B. kapfi see Phytosaurus kapfi U.Triassic 

B. planirostris see Mystriosuchus planirostris 

B. plieningeri see Nicrosaurus meyeri U.Triassic 

B. scolopax see Rutiodon scolopax U.Triassic 

B. superciliosus see Nicrosaurus superciliosus U.Triassic 

B. validus see Rutiodon validus or Nicrosaurus validus

Besanosaurus M.Triassic 

B. leptorynchus Anisian-Ladinian 

Bharatagama L-M.Jurassic 

B. rebbanensis L-M.Jurassic 

Bicuspidon M.Cretaceous 

B. numerosus Albian-Cenomanian 

Bishanopliosaurus 4.1 m L.Jurassic 

B. youngi 4.1 m Toarcian 

Blanus U.Pliocene-Recent 

B. sp. 9 mm U.Pliocene 

Blezingeria see Cymbospondylus? 

B. ichthyospondyla M.Triassic 

Blomia see Blomosuchus L.Triassic 

B. georgii see Blomosuchus georgii Induan 

Blomosaurus U.Permian-L.Triassic 

B. ivachnenkoi Induan 

Blomosuchus L.Triassic 

B. georgii L.Triassic 

B. sp. L.Triassic 

Bolosaurus L.Permian 

B. grandis 5 cm? Leonardian 

B. major Leonardian 

B. rapidens Permian 

B. sp. Wolfcampian 

B. striatus Wolfcampian 

B. traati Asselian 

Boreopricea 30 cm L.Triassic 

B. funerea 30 cm Olenekian 

Bothriagenys M-U.Cretaceous 

B. mysterion Albian-Cenomanian 

Brachauchenius 1.5 m 11.2 m M.Cretaceous 

B. lucasi 1.5 m 11.2 m Cenomanian-Turonian 

Brachauchenus see Brachauchenius 

Brachycnemius see Edaphosaurus 

B. dolichomerus see Edaphosaurus pogonias L.Permian 

Brachypareia see Bradysaurus 

B. rogersi see Bradysaurus rogersi U.Permian 

B. watsoni see Bradysaurus watsoni U.Permian 

Brachypterygius M.Triassic-L.Jurassic 

B. extremus Portlandian 

B. mordax 

B. zhuravlevi see Otschevia zhuravlevi Tithonian 

Brachyrhinodon 2.3 cm 15 cm U.Triassic 

B. sp. 

B. taylori U.Triassic 

Brachysaurana see Prognathodon 

Brachysaurus see Prognathodon U.Cretaceous 

B. overtoni see Prognathodon overtoni U.Cretaceous 

Brachysuchus see Angistorhinus U.Triassic 

B. megalodon see Angistorhinus megalodon Carnian 

Bradypareia see Bradysaurus

Bradysaurus 3 m L-M.Permian 

B. acutirostris M.Permian 

B. angustus(angusta) 53 cm? M.Permian 

B. baini 42 cm 3 m L-M.Permian 

B. bombidens 40 cm L.Permian 

B. broomi L.Permian 

B. rogersi 42 cm U.Permian 

B. seeleyi 44 cm Permian 

B. serridens 2.5 m Permian 

B. sp. Permian 

B. strubeni see Embrithosaurus strubeni M.Permian 

B. vanderbyli 51 cm Permian 

B. watsoni 48 cm U.Permian 

B. whaitsi 50 cm Permian 

Bradysuchus see Bradysaurus M.Permian 

B. whaitsi se Bradysaurus whaitsi 

Brancasaurus 27 cm 3.7 m L.Cretaceous 

B. brancai 27 cm 3.7 m Berriasian 

Brasileosaurus U.Cretaceous 

B. pachecoi U.Cretaceous 

B. sanpauloensis U.Cretaceous 

Brazilosaurus probably Brasileosaurus 

B. sanpauloensis probably Brasileosaurus sanpauloensis 

Brimosaurus U.Cretaceous 

B. grandis Maastrichtian 

Broilisaurus see Eichstaettisaurus 

B. schroederi see Eichstaettisaurus schroederi 

Bromsgroveia M-U.Triassic 

B. walkeri Ladinian 

Brookesia Holocene 

Broomia U.Permian 

B. perplexa 3 cm? U.Permian 

Brouffia M.Pennsylvanian 

Browniella see Euparkeria L.Triassic 

B. africana see Euparkeria capensis L.Triassic 

Brydasuchus see Bradysaurus 

Buckantaus U.Cretaceous 

Burtensia L.Triassic 

B. burtensis Olenekian 

Cadaliosaurus see Kadaliosaurus 

Cadurciguana U.Eocene 

Cadurcogekko U.Eocene-L.Oligocene 

C. piveteaui nomen dubium U.Eocene-L.Oligocene 

Cadurcosaurus Eocene 

C. sauvagei 

Californosaurus U.Triassic 

C. perrini 3 m Carnian 

Callawayasaurus 40 cm 8 m M.Cretaceous 

C. colombiensis 40 cm 8 m Aptian 

Callawayosaurus see Callawayasaurus 

Callibrachion see Haptodus

C. gaudryi see Haptodus baylei L.Permian 

Callisaurus Pliocene-Pleistocene 

C. sp. Blancan-Irvingtonian 

Callopistes U.Pliocene 

C. bicuspidatus U.Blancan 

Calyptosuchus 3 m U.Triassic 

C. wellesi see Stagonolepis wellesi Carnian 

Calyptosusuchus see Calyptosuchus 

C. wellesi see Calyptosuchus wellesi 

Candelaria M.Triassic 

C. barbouri 5 cm? M.Triassic 

Capitolacerta see Geiseltaliellus M.Eocene 

C. dubia see Geiseltaliellus longicaudus 

Capthprihinus probably Captorhinus 

Captorhinikos L.Permian 

C. chozaensis 5 cm? L.Permian 

C. parvus 

C. valensis 15 cm? L.Permian 

Captorhinioides L.Permian 

C. valensis L.Permian 

Captorhinus 8.4 cm 76 cm L.Permian 

C. aduncus see Captorhinus aguti 

C. aguti(agouti) 38 cm Leonardian 

C. angusticeps see Captorhinus aguti Leonardian 

C. gregoryi Leonardian 

C. illinoiensis nomen dubium, see Clepsydrops vinslovii? 

C. incisivus see Captorhinus aguti Leonardian 

C. isolomus see Captorhinus aguti 

C. laticeps probably Captorhinus aguti Leonardian 

C. ordinatus nomen dubium 

C. sp. Leonardian 

Carinodens U.Cretaceous 

C. belgicus 3.7 m Campanian-Maastrichtian 

C. fraasi Campanian-Maastrichtian 

Carlesia see Dicarlesia 

Carsosaurus 1.5 m M-U.Cretaceous 

C. marchesetti 1.5 m Cenomanian-Turonian 

Carusia U.Cretaceous 

C. intermedia 3.2 cm U.Cretaceous 

Casea 11 cm 122 cm L.Permian 

C. broili L.Permian 

C. halselli L.Permian 

C. nicholsi L.Permian 

C. rutena L.Permian 

Caseoides U.Permian 

C. sanageloensis U.Permian 

Caseopsis U.Permian 

C. agilis U.Permian 

Casineria 

C. kiddi 

Caypullisaurus U.Jurassic

C. bonapartei Tithonian 

Celestus U.Pleistocene-Holocene 

C. costatus 26 cm? Rancholabrean-Recent 

C. sp. Rancholabrean-Recent 

C. sp. 50 cm? Rancholabrean 

Centemodon see Nicrosaurus L.Triassic 

C. sulcatus L.Triassic 

Cephalastron see Scaphonyx 

C. gondwanicum see Scaphonyx fischeri 

Cephalatronius see Scaphonyx 

C. angustispinatus see Scaphonyx fischeri 

Cephalerpeton M.Pennsylvanian 

C. aff. Ventriarmatum Westphalian 

C. longipes indeterminate material 

C. ventriarmatum 2.7 cm? 25 cm? Westphalian 

Cephalonia see Scaphonyx 

C. lotziana see Scaphonyx fischeri 

Ceraunosaurus M.Cretaceous 

C. brownorum see Trinacromerum bentonianum 

Ceresiosaurus 4 m M.Triassic 

C. calcagnii see Lariosaurus calcagnii Anisian-Ladinian 

C. lanzi see Lariosaurus lanzi Ladinian 

Cerritosaurus M.Triassic 

C. binsfeldi 9 cm Ladinian 

Cetarthrosaurus U.Cretaceous 

C. walkeri U.Cretaceous 

Chacaicosaurus M.Jurassic 

C. cayi Bajocian 

Chacaiosaurus see Chacaicosaurus 

Chalcides U.Pliocene-Recent 

C. sp. U.Pliocene 

C. sp. Pleistocene 

Chaliminia U.Triassic 

C. musteloides U.Triassic 

Chalischevia M.Triassic 

C. cothurnata 70 cm? Ladinian 

Chamaleo M.Miocene-Recent 

C. caroliquarti M.Miocene 

C. intermedius 2 cm? U.Miocene 

C. pristinus see Tinosaurus pristinus 

Chamaleognathus U.Cretaceous 

C. iordanskyi U.Cretaceous 

Chamasaurus L.Permian 

C. dolichognathus 2 cm? L.Permian 

Chamatosuchus see Chasmatosuchus 

C. rossicus see Chasmatosuchus rossicus 

Chamops 5 cm? U.Cretaceous 

C. denticulatus Maastrichtian 

C. segnis Campanian-Maastrichtian 

C. sp. Maastrichtian 

C. sp. Campanian

Champsosaurus 34 cm 2.5 m? U.Cretaceous-Eocene 

C. albertensis U.Cretaceous 

C. ambulator Maastrichtian 

C. annectens Campanian 

C. australis Torrejonian 

C. brevicollis Campanian 

C. dakotensis 

C. dolloi 

C. gigas 49 cm Tiffanian-Clarkforkian 

C. laramiensis Maastrichtian 

C. lemoinei 

C. lindoei 

C. natator Campanian 

C. nator probably C. natator Campanian 

C. profundus Campanian 

C. puercensis Torrejonian 

C. saponensis Torrejonian 

C. sp. Campanian 

C. sp. Campanian-Tiffanian 

C. sp. Paleocene 

C. sp. Torrejonian 


C. sp. L-U.Paleocene 

C. sp. Maastrichtian-Torrejonian 

C. tenuis U.Paleocene 

C. vaccinsulensis Campanian 

Chanaresuchus 26 cm 30 cm? 122 cm M.Triassic 

C. bonapartei 26 cm 30 cm? 122 cm M.Triassic 

C. sp. 76 cm M.Triassic 

Changetisaurus M.Jurassic 

Changisaurus belongs to a turtle U.Jurassic 

C. microrhinus belongs to a turtle U.Jurassic 

Changjiangosaurus Paleocene 

C. huananensis Paleocene 

Changlosaurus Oligocene 

C. wutuensis nomen dubium Eocene? 

Chaohusaurus 1.8 m? L.Triassic 

C. geishanensis(geishanesis) 71 cm Spathian 

Chaosaurus see Chaohusaurus 

Charitodon 

C. tschudii some consider it a fish, nomen dubium 

Charitosaurus M.Triassic 

C. tschudii see Charitodon tschudii 

Chasmatorsaurus see Chasmatosaurus 

Chasmatosaurus 46 cm 2.8 m? L.Triassic 

C. alexandri 24 cm? L.Triassic 

C. indicus L.Triassic 

C. rubidgei L.Triassic 

C. sp. possibly C. vanhoepeni L.Triassic 

C. ultimus Olenekian 

C. vanhoepeni 28 cm? L.Triassic

C. yuani 38 cm? L.Triassic 

Chasmatosuchus L.Triassic 

C. magnus see Jaikosuchus magnus & Tsylmosuchus jakovlevi 

C. parvus see Microcnemus efremovi Olenekian 

C. rossicus Olenekian 

C. sp. see Chasmatosuchus rossicus Olenekian 

C. vjushkovi see Garjainia prima Olenekian 

Chasmotosaurus see Chasmatosaurus 

C. alexandri see Chasmatosaurus alexandri 

Chatterjeea see Shuvosaurus? U.Triassic 

C. elegans see Shuvosaurus inexpectatus? Norian 

Chelyoposaurus see Chelyoposuchus 

Chelyoposuchus see Henodus U.Triassic 

C. crassisquamatus Rhaetian 

Chelyposuchus see Chelyoposuchus U.Triassic 

C. crassisquamatus Rhaetian 

Chensaurus L.Triassic 

C. chaoxianensis see Chaohusaurus geishanensis Spathian 

C. faciles see Chaohusaurus geishanensis Spathian 

Cherminothus see Cherminotus 

Cherminotus 4.8 cm? U.Cretaceous 

C. longifrons 2 cm Campanian 

Cherminsaurus U.Cretaceous 

C. kozlowskii 6.5 cm Campanian 

Chilenosuchus 

Chilingosaurus nomen dubium U.Cretaceous 

C. chingshankouensis actually a fish 

Chinchenia M.Triassic 

C. sungi nomen dubium Ladinian 

Chinleogomphius U.Triassic 

C. jacobsi Carnian 

Chlamydosaurus see Clamydosaurus Pleistocene-Recent 

Chometokadmon U.Cretaceous 

C. fitzingeri(fiitzingheri) Cenomanian 

Chompsosaurus see Champsosaurus 

Chudinoviella see Rhipaeosaurus talonophorus? 

Cimoliasaurus 8.9 m U.Cretaceous 

cf. C. magnus Maastrichtian 

C. andium 

C. australis 

C. bernardi see Crymocetus bernardi 

C. brevior 

C. cantabrigiensis 

C. caudalis see Mauisaurus haasti Cretaceous 

C. durobrivensis 

C. laramiensis 

C. leucocephalus L.Cretaceous 

C. leucospelus see Trinacromerum 

C. limnophilus 

C. maccoyi 4 m? Santonian 

C. magnus Santonian

C. nazarowi see Scanisaurus nazarowi Senonian 

C. planus 

C. plicatus Oxfordian 

C. rex see Megalneusaurus rex 

C. richardsoni 

C. smithi 

C. snowii see Styxosaurus snowii 

C. sp. L.Cretaceous 

C. valdensis 

C. vetustus see Discosaurus vetustus 

Cimoliosaurus see Cimoliasaurus 

C. richardsoni see Cimoliasaurus richardsoni 

Cladeiodon see Teratosaurus 

Claderodon see Teratosaurus 

Cladyodon see Teratosaurus 

Clamydosaurus Pleistocene-Recent 

C. bennetti see Clamydosaurus kingi 

C. kingi(kingii) Pleistocene-Recent 

Clarazia M.Triassic 

C. schinzi M.Triassic 

Clarencea now considered a protosuchian, see Crocodilian Index 

C. gracilis now considered a protosuchian, see Crocodilian Index 

Clarensia 

C. gracilis see Clarencea gracilis 

Claudiosaurus 3 cm 60 cm U.Permian 

C. germaini U.Permian 

Clepsisaurus probably Clepsysaurus 

C. leai see Rutiodon leai U.Triassic 

Clepsydrops 1.3 m? U.Pennsylvanian 

C. colletti indeterminate material U.Pennsylvanian 

C. gigas see Dimetrodon gigas 

C. lateralis nomen nudum 

C. leptocephalus see Diopeus leptocephalus 

C. limbatus see Dimetrodon limbatus 

C. macrospondylus see Dimetrodon macrospondylus 

C. magnus U.Pennsylvanian 

C. natalis see Dimetrodon natalis L.Permian 

C. pedunculatus see Clepsydrops collettii U.Pennsylvanian 

C. sp. U.Pennsylvanian 

C. sp. L.Permian 

C. vinslovii U.Pennsylvanian 

Clepsysaurus see Rutiodon 

C. manhattanensis see Rutiodon manhattanensis Norian 

C. pennsylvanicus(pennsyvanicsee Rutiodon pennsylvanicus Carnian 

C. veatleianus Carnian 

Clevosaurus 18 cm M.Triassic-L.Jurassic 

C. bairdi 1.9 cm Hettangian 

C. hudsoni 3 cm 24 cm? Rhaetian 

C. mcgilli 2.3 cm Hettangian 

C. minor Rhaetian 

C. petilus 3.5 cm U.Triassic

C. wangi 3 cm Hettangian 

Clidastes 67 cm 6 m U.Cretaceous 

C. cinemarium Maastrichtian 

C. conodon see Mosasaurus conodon 

C. iguanavus see Mosasaurus Maastrichtian 

C. intermedius see Platecarpus intermedius 

C. liodontus 50 cm 4 m Santonian-Campanian 

C. moorevillensis U.Cretaceous 

C. planifrons see Platecarpus planifrons 

C. propython 6 m Campanian 

C. sp. U.Cretaceous 

C. sternbergi(sternbergii) see Halisaurus sternbergi 

C. tortor U.Cretaceous 

C. velox U.Cretaceous 

C. vymanii U.Cretaceous 

Cnemidophorus L.Miocene-Recent 

C. bilobatus U.Pliocene 

C. cf. Gularis U.Pleistocene-Holocene 

C. cf. Sacki Rancholabrean 

C. cf. Sexlineatus L.Pliocene-U.Pleistocene 

C. cf. Tigris Rancholabrean-Holocene 

C. sexlineatus living six-lined Racerunner Rancholabrean-Recent 

C. sp. Arikareean-Holocene 

C. tigris living Western Whiptail Rancholabrean-Recent 

Cnephasaurus U.Cretaceous 

Coahomasuchus U.Triassic 

C. kahleorum Carnian 

Coartaredens M.Triassic 

C. isaaci Anisian 

Coburgosuchus U.Triassic 

C. goeckeli U.Triassic 

Coelodontognathus U.Permian-L.Triassic 

C. donensis see Coelodontognathus ricovi 

C. ricovi 6 cm Olenekian 

Coelostegus M.Pennsylvanian 

Coelurosauravus 2.8 cm 46 cm U.Permian 

C. elivensis U.Permian 

C. jaekeli possibly Weigeltisaurus jaekeli? 

Coleonyx U.Pleistocene-Recent 

C. variegatus living Western Banded Gecko Rancholabrean-Recent 

Coletta L.Triassic 

C. seca 6.5 cm? L.Triassic 

Colobomycter L.Permian 

C. pholeter(proleter) L.Permian 

Colognathus U.Triassic 

C. obscurus(obsurus) U.Triassic 

Colpodontosaurus U.Cretaceous 

C. cracens Maastrichtian 

C. sp. Maastrichtian 

Colubrifer L.Triassic 

C. campi L.Triassic

Colymbosaurus 48 cm? 6.8 m U.Jurassic 

C. brachistospondylus 

C. carinatus 

C. dutertrei 

C. sklerodirus(sclerodirus) indeterminate material Tithonian 

C. sp. 

C. trochanterius 48 cm? 6.8 m Kimmeridgian-Tithonian 

Compressidens U.Cretaceous 

C. fraasi Maastrichtian 

Compsosaurus see Nicrosaurus U.Triassic 

Conchiosaurus see Nothosaurus 

C. clavatus see Nothosaurus clavatus 

Coniasaurus M-U.Cretaceous 

C. cf. Crassidens 

C. crassidens Cenomanian 

C. gracilodens Cenomanian 

Conicodontosaurus U.Jurassic-U.Cretaceous 

C. djadochtaensis 8 mm? U.Cretaceous 

C. kanhsienensis U.Jurassic-L.Cretaceous 

Contectopalatus see Mixosaurus 

C. atavus see Mixosaurus atavus M.Triassic 

Contogenys U.Cretaceous-M.Paleocene 

cf. C. sp. Torrejonian 

C. cf. Sloani Torrejonian 

C. sloani Maastrichtian-Torrejonian 

C. sp. Campanian 


Contritosaurus L.Triassic 

C. convector Induan 

C. simus 2 cm Induan 

Corosaurus L.Triassic 

C. alcovensis Scythian 

Corytophanes Pleistocene 

Cosesaurus 20 cm M.Triassic 

C. aviceps 20 cm M.Triassic 

Costasaurus U.Cretaceous 

C. rusconi nomen dubium L.Cretaceous 

Cotylorhynchus 20 cm 4 m 282 kg L-M.Permian 

C. bransoni L-M.Permian 

C. hancocki L-M.Permian 

C. romeri 20 cm 30 cm? 4 m L-M.Permian 

Cotylorphynchus probably Cotylorhynchus 

Creberidentat M.Eocene 

Cremastosaurus L.Oligocene 

C. carinicollis 10 cm Chadronian-Orellan 

C. rhambastes probably C. carinicollis Chadronian-Orellan 

C. unipedalis see Platyrhachis unipedalis Orellan 

Crematosaurus see Cremastosaurus 

Crenelosaurus possibly Ticinosuchus L.Triassic 

C. nigrosilvanus possibly Ticinosuchus ferox, nomen dubium 

Cretagama U.Cretaceous

C. bialynickae 

Crotaphytus L.Oligocene-Recent 

C. collaris 2.5 cm Rancholabrean-Holocene 

C. oligocenicus see Holmanisaurus? Chadronian 

C. sp. Blancan-Holocene 

C. wislizeni Rancholabrean-Holocene 

Crurosaurus see Placodus 

C. problematicus indeterminate material Anisian 

Crymocetus U.Cretaceous? 

C. barnardi see Crymocetus bernardi 

C. bernardi Senonian 

Cryptocleidus see Cryptoclidus 

C. aldingeri 

C. beaugrandi 

C. caroli 

C. cuervoi 

C. c. caroli see Vinialesaurus caroli Oxfordian 

C. c. questadi 

C. eurymerus see Cryptoclidus eurymerus 

C. oxoniensis see Cryptoclidus oxoniensis 


C. simbirskensis 

C. vignalensis 

Cryptoclidus 60 cm? 8 m? M-U.Jurassic 

C. cf. Sp. Jurassic 

C. eurymerus 24 cm 4 m Callovian 

C. oxoniensis see Cryptoclidus eurymerus Callovian 

C. platymerus see Cryptoclidus eurymerus 


C. simbirskensis indeterminate material Callovian-Oxfordian 

Crythiosaurus actually a snake, see Snake Index 

C. mongoliensis actually a snake, see Snake Index 

Cteniogelys 

C. antiquus 

C. sp. 

Cteniogemys see Cteniogenys 

Cteniogenys 15 cm M-U.Jurassic 

C. antiquus Bathonian-Tithonian 

C. reedi see Cteniogenys antiquus 

C. sp. Tithonian 

Ctenorhachis L.Permian 

C. jacksoni 45 cm? 1.9 m? Wolfcampian-Leonardian 

Ctenosaura Recent 

C. pectinata 

C. premaxillaris Holocene 

C. similis Holocene 

Ctenosauriscus L.Triassic 

C. koeneni 2.5 m? Scythian 

Ctenosaurus L.Triassic 

C. koeneni 2 m? Scythian 

C. pectinata possibly Ctenosaura pectinata

C. rugosus Permian 

Ctenospondylus L.Permian 

C. casei Wolfcampian 

C. ninevehensis L.Permian 

Cubicodon see Nicrosaurus 

Cutleria see Haptodus 

C. wilmarthi see Haptodus baylei L.Permian 

Cuttysarkus an Amphibian, see that Index U.Cretaceous 

C. mcnallyi an Amphibian, see that Index U.Cretaceous 

Cuyosuchus U.Triassic 

C. huenei Norian 

Cyamodus 2 m M.Triassic 

C. cfr. Rostratus see Cyamodus rostratus 

C. hildegardis Anisian-Ladinian 

C. khunschnyderi see Cyamodus kuhnschnyderi 

C. kuhn-schnyderi see Cyamodus kuhnschnyderi 

C. kuhnschnyderi Ladinian 

C. laticeps see Cyamodus muensteri Anisian 

C. muensteri(munsteri) Anisian 

C. rostratus 11.7cm? Anisian-Ladinian 

C. tarnowitzensis nomen dubium Anisian 

Cyclura U.Pleistocene-Recent 

C. mattea see Cyclura pinguis Holocene 

C. pinguis 112 cm? Rancholabrean-Recent 

C. portoricensis see Cyclura pinguis Holocene 

C. sp. 10 cm 92 cm? Rancholabrean 

Cylindricodon see Nicrosaurus 

Cymatosaurus M.Triassic 

C. erythreus see Cymatosaurus sp. Anisian 

C. fridericianus 20 cm Anisian 

C. gracilis see Cymatosaurus latifrons 

C. latifrons 15 cm Anisian 

C. latissimus see Germanosaurus latissimus 

C. minor 12 cm? Anisian 

C. multidentatus Anisian 

C. schafferi see Germanosaurus schafferi 

C. silesiacus see Cymatosaurus latifrons 

C. sp. Anisian 

C. stensioeii M.Triassic 

Cymbospondylus 13.5 m? M.Triassic 

C. buchseri 68 cm 5.5 m? Anisian-Ladinian 

C. germanicus M.Triassic 

C. nevadanus questionable validity M.Triassic 

C. natans M.Triassic 

C. parvus 2.8 m? Anisian-Ladinian 

C. petrinus 110 cm 13.5 m? M.Triassic 

C. piscous(piscosus) questionable validity 

C. sp. L.Triassic 

Cynosphenodon M.Jurassic 

C. huizachalensis M.Jurassic 

Cypressaurus L.Oligocene

C. hypsodontus 1.5 cm? Chadronian 

Cyrmocetus U.Cretaceous 

Cyrtodactylus Recent 

C. serpensinsula Holocene 

Dactylosaurus M.Triassic 

D. gracilis 16.8cm? Anisian 

D. schesederi 

D. schroederi see Dactylosaurus gracilis 

Daedalosaurus 41 cm U.Permian 

D. jaekeli see Coelurosauravus jaeckeli 

D. madagascariensis U.Permian 

Dalinghesaurus U.Jurassic 

D. longiditus U.Jurassic 

Darchansaurus U.Cretaceous 

D. estesi 6.5 cm Campanian 

Dasygnathoides see Ornithosuchus 

Dasygnathus see Ornithosuchus U.Triassic 

D. longidens see Ornithosuchus longidens Carnian 

Datheosaurus see Haptodus 

D. macrourus see Haptodus macrourus 

Davletkulia U.Permian 

D. gigantea nomen dubium Kazanian 

Dedaelosaurus see Daedalosaurus 

D. madagascariensis see Daedalosaurus madagascariensis 

Deirosaurus see Lariosaurus 

D. italicus see Lariosaurus balsami 

Delorhynchus L.Permian 

D. priscus(pristus) L.Permian 

Delphinosaurus see Californosaurus U.Triassic 

D. perrini see Californosaurus perrini Carnian 

Deltatmema see Ctenosaura? Holocene 

D. premaxillaris see Ctenosaura premaxillaris Holocene 

Deltavjatia 3 m U.Permian 

D. vjatkensis 30 cm 3 m Tatarian 

Deltavyka U.Permian 

Dematosuchus see Desmatosuchus 

Desmatosuchus 4.9 m 1.1 t U.Triassic 

D. haplocerus(haploceras) 40 cm? 4.9 m 1.1 t Carnian 

D. sp. Carnian 

D. sp. U.Triassic 

D. spurensis see Desmatosuchus haplocerus U.Triassic 

Diacium L.Oligocene 

D. quinquepedale(quinquepedalis) 1.8 m? Orellan 

D. sesquipedale see Diacium quinquepedale 

D. unipedale(unipedalis) see Platyrhachis unipedalis 

Diadectes see Amphibia Index 

Dianosaurus see Clevosaurus L.Jurassic 

D. petilus see Clevosaurus petilus L.Jurassic 

Dianzhongia L.Jurassic 

D. longirostrata L.Jurassic 

Diasemosaurus L.Miocene

D. occidentalis nomen dubium Arikareean 

Dibolosodon L.Miocene 

D. typicus Santacrucian 

Dibothrosuchus see Crocodylia Index 

Dicarlesia U.Cretaceous 

D. incognita nomen dubium L.Cretaceous 

Dicothodon M.Cretaceous 

D. moorensis Turonian 

Dicrodon U.Pleistocene-Recent 

D. sp. Rancholabrean 

Dictybolus 

Didosaurus Pleistocene 

D. mauritianus(mauritanas) see Leiolopisma mauritania Pleistocene 

Dimekodontosaurus U.Jurassic 

D. madseni U.Jurassic 

Dimertodon see Dimetrodon 

Dimetopisaurus M.Eocene 

D. sp. Bridgerian 

D. wyomingensis see Xestops vagans? Bridgerian 

Dimetrodon 4.3 m L.Permian 

D. angelensis 58 cm 3.85 m? L.Permian 

D. berea Permian 

D. biradicatus 

D. booneorum 218 cm? Wolfcampian 

D. cf. Booneorum Permian 

D. cf. Loomisi Permian 

D. cruciger see Naosaurus cruciger 

D. dollovianus(dolloviaanus) 40 cm? 1.2 m? 2.6 m? Leonardian 

D. giganhomogenes 3.2 m L.Permian 

D. gigas 45.5 cm 3 m Leonardian 

D. gigashomogenes Leonardian 

D. gigashomogenis see D. gigashomogenes 

D. gigashomogenus Leonardian 

D. grandis 42 cm 1.8 m 3.5 m Leonardian 

D. inciscivus see Dimetrodon limbatus Wolfcampian 

D. incisivus 2 m? 

D. kempi(kempae) indeterminate material Leonardian 

D. libratus L.Permian 

D. limbatus(limbatis) 40 cm? 125 cm? 3 m Wolfcampian 

D. limbratus L.Permian 

D. longiramus see Secodontosaurus longiramus 

D. loomisi 28 cm 107 cm 2.6 m Leonardian 

D. loomsi see Dimetrodon loomisi 

D. macrospondylus 1.6 m? Wolfcampian 

D. maximus see Dimetrodon grandis 

D. milleri 22 cm 67 cm 173 cm Wolfcampian 

D. natalis 14 cm 112 cm Wolfcampian 

D. navajovicus see Ophiacodon navajovicus L.Permian 

D. obtusidens 1.3 m? L.Permian 

D. occidentalis 1.7 m? L.Permian 

D. platycentrus see Dimetrodon macrospondylus Leonardian

D. rectiformis see Dimetrodon limbatus L.Permian 

D. semiradicatus see Dimetrodon limbatus L.Permian 

D. sp. Leonardian 

D. sp. L.Permian 

Diopeus see Ophiacodon? Dimetrodon? 

D. grandis probably Dimetrodon 

D. leptocephalus see Theropleura retroversa 

Diphydodontosaurus see Diphydontosaurus 

D. sp. 

Diphydontosaurus 3 cm U.Triassic 

D. avonensis Rhaetian 

D. avonis Norian-Rhaetian 

D. sp. Rhaetian 

Diploglossus U.Pleistocene 

D. cadurcensis see Placosaurus quercyi 

D. pleei 30 cm? Rancholabrean-Recent 

D. sp. 50 cm? Rancholabrean-Recent 

Diplotomodon U.Cretaceous 

D. horrificus U.Cretaceous 

Diposaurus probably Dipsosaurus L.Miocene-Pleistocene 

Dipsosaurus L.Miocene-Recent 

D. cf. Dorsalis Arikareean 

D. dorsalis living Desert Iguana Blancan-Recent 

D. sp. Blancan-Recent 

Discosaurus U.Cretaceous 

D. permianus possibly Discosauriscus L.Permian? 

D. vetustus U.Cretaceous 

Ditrichosaurus see Mesosaurus L.Permian 

Ditrochosaurus see Mesosaurus L.Permian 

D. capensis see Mesosaurus capensis L.Permian 

Dolabrosaurus U.Triassic 

D. aquatilis 

Dolichobrachium U.Triassic 

Dolichopareia see Embrithosaurus M.Permian 

D. angustus(angusta) see Embrithosaurus angustus 

Dolichorhynchops 1 m 5.2 m U.Cretaceous 

D. osborni 1 m 5.2 m Campanian 

D. sp. 

Dolichosaurus M.Cretaceous 

D. dalmatinensis M.Cretaceous 

D. longicollis 2.5 cm 43 cm Cenomanian 

Doliovertebra M.Triassic 

D. fritschi nomen dubium 

Dollosaurus U.Cretaceous 

D. lutugini 60 cm+ Campanian 

D. sp. Campanian 

Dongusia M.Triassic 

D. colorata nomen dubium Anisian 

Dongusuchus M.Triassic 

D. efremovi Anisian 

Doniceps L.Triassic

D. lipovensis 15 cm Olenekian 

Donyceps see Doniceps 

D. lipovoensis see Doniceps lipovensis 

Dopasia 

D. harti 

Dormaalisaurus L.Eocene 

D. girardoti Ypresian 

D. rossmanni 9 mm? Ypresian 

D. sp. Ypresian 

Dorognathus M.Triassic 

Dorosuchus M.Triassic 

D. neoetus Anisian 

Dorsetisaurus U.Jurassic 

D. hebetidens Portlandian 

D. purbeckensis 4 cm? Kimmeridgian 

D. sp. Tithonian 

Doswellia U.Triassic 

Dracaena U.Miocene 

D. colombiana 6 cm? U.Miocene 

Dracaenosaurus U.Eocene-U.Oligocene 

D. croizeti 4 cm? U.Oligocene 

D. sauvagei U.Eocene-L.Oligocene 

Dracosaurus see Nothosaurus 

D. bronni(bronnii) see Nothosaurus mirabilis 

Dravidosaurus U.Cretaceous 

Drepanodon see Mosasaurus 

Drepanosaurus 41 cm U.Triassic 

D. unguicaudatus(ungicaudatus) 41 cm Norian 

Durotrigia U.Jurassic 

D. triconodens U.Jurassic 

Dyoplax U.Triassic 

D. arenaceus 60 cm? Carnian 

Dyticonastis U.Oligocene-L.Miocene 

D. rensbergeri U.Oligocene-L.Miocene 

Dzhadochtosaurus U.Cretaceous 

D. giganteus U.Cretaceous 

Ebrachosaurus U.Triassic 

E. singularis U.Triassic 

Ebrachosuchus see Parasuchus 

E. neukami see Paleorhinus neukami 

Echinerpeton M.Pennsylvanian 

E. intermedium M.Pennsylvanian 

Ectenosaurus 67 cm 6.2 m U.Cretaceous 

E. clidastoides 67 cm 6.2 m Santonian-Campanian 

E. sp. 

Ectocynodon see Captorhinus Permian 

E. aguti see Captorhinus aguti 

E. incisivus see Captorhinus aguti 

E. ordinatus Permian 

Edaphosaurus 15 cm 1.4 m? 3.4 m U.Pennsylvanian-L.Permian 

E. boanerges 2.5 m? 90 kg Wolfcampian

E. claviger see Edaphosaurus pogonias Leonardian 

E. colohistion U.Pennsylvanian 

E. credneri L.Permian 

E. crucifer probably E. cruciger Wolfcampian 

E. cruciger 15.7 cm 80 cm? 2.7 m Wolfcampian-Leonardian 

E. ecordi see Xyrospondylus ecordi U.Pennsylvanian 

E. microdus see Edaphosaurus cruciger Wolfcampian 

E. minuta nomen nudum, based on fish bones & bone fragments 

E. mirabilis Stephanian 

E. novomexicanus 2.4 m? L.Permian 

E. pogonias 17 cm? 3.25 m Leonardian 

E. raymondi U.Pennsylvanian 

E. sp. Wolfcampian 

Edestosaurus see Clidastes 

Edgarosaurus L.Cretaceous 

E. muddi 47.5 cm 3.5 m Albian 

Egernia L.Oligocene-Recent 

E. sp. U.Miocene 

Eichstaettisaurus 1.9 cm 19 cm U.Jurassic 

E. digitalellus see Ardeosaurus digitalellus U.Jurassic 

E. schroederi 1.9 cm 19 cm U.Jurassic 

Eichstattosaurus see Ardeosaurus, probably Eichtaettisaurus 

Eidolosaurus L.Cretaceous 

Eifelosaurus L.Triassic 

E. triadicus L.Triassic 

Eilenodon U.Jurassic 

E. robustus U.Jurassic 

Eilenosaurus U.Jurassic 

Ekbainacanthus M.Triassic 

Ekshmer U.Cretaceous 

E. bissektensis Albian-Coniacian 

Elachistosuchus U.Triassic 

E. huenei U.Triassic 

Elaphrosuchus see Chasmatosaurus 

E. rubidgei 18 cm? L.Triassic 

Elasmosaurus 41 cm 14.5 m M-U.Cretaceous 

E. amalitskii indeterminate material Turonian 

E. antiquus indeterminate material Hauterivian 

E. ischiadicus see Alzadasaurus kansasensis 

E. kurskensis indeterminate material Cenomanian 

E. marshi see Thalassonomosaurus marshi 

E. morgani see Libonectes morgani 

E. nobilis 

E. orientalis Cretaceous 

E. orskensis indeterminate material Senonian 

E. platyurus 14.2 m Campanian 

E. sachalinensis indeterminate material Senonian 

E. serdobensis Campanian 

E. serpentinus see Hydralmosaurus serpentinus 

E. snowii see Styxosaurus snowii 

E. sp. Cretaceous

E. sp. Campanian 

E. sternbergi 11 m? 

Elcabrosaurus see Sphenacodon U.Permian 

E. baldwini see Sphenacodon ferox U.Permian 

Elgaria L.Pliocene-Recent 

E. kingii living Alligator Lizard L.Blancan-Recent 

Elginia 1.5 m U.Permian 

E. gordoni U.Permian 

E. mirabilis U.Permian 

Elliotsmithia U.Permian 

E. longiceps U.Permian 

Elliptonodon U.Cretaceous 

Elmosaurus see Nothosaurus M.Triassic 

E. lelmensis see Nothosaurus Ladinian 

Embaphias U.Cretaceous 

Embolophorus see Dimetrodon 

E. dollovianus see Dimetrodon dollovianus 

E. fritillus L.Permian 

Embrithosaurus see Bradysaurus? M.Permian 

E. alexandri 53 cm? 

E. angustus see Bradysaurus angustus? 

E. schwarzi 38 cm? Capitanian 

E. strubeni see Bradysaurus strubeni? 

Emeroleter U.Permian 

E. levis U.Permian 

Empedocles see Amphibia Index 

Endennasaurus U.Triassic 

E. acutirostris Norian 

Energosuchus M.Triassic 

E. garjainovi(garhainovi) Ladinian 

Enigmatosaurus a frog, see Amphibia Index U.Eocene 

Ennatosaurus 46 cm U.Permian 

E. tecton 46 cm Tatarian 

Eocaptorhinus 5 cm 60 cm L.Permian 

E. laticeps L.Permian 

E. sp. 

Eodiploglossus L.Eocene 

E. borealis Wasatchian 

Eoglyptosaurus L.Eocene 

cf. E. donohoei Wasatchian 

E. donohoei 10 cm? Wasatchian 

Eolacerta M.Eocene 

cf. E. sp. 1.3 cm M.Eocene 

E. cf. Robusta 

E. robusta 6.3 cm 60 cm? Lutetian 

Eoraetia U.Triassic 

E. siegerti Rhaetian 

Eorasaurus U.Permian 

E. olsoni U.Permian 

Eosaniwa M.Eocene 

E. koehni 15 cm? Lutetian

Eosuchus see Crocodylia Index 

E. colletti see Noteosuchus colletti U.Permian 

Eothyris 6.4 cm 38 cm L.Permian 

E. parkeyi 6 cm Wolfcampian 

Eotomistoma M-U.Cretaceous 

E. multidentata Turonian 

Eoxanta U.Cretaceous 

E. lacertifrons U.Cretaceous 

Epicampodon Triassic 

Epipolysemia see Costsasaurus 

E. rusconi see Costasaurus rusconi 

Episcoposaurus 3.7 m Triassic 

E. haplocerus see Desmatosuchus haplocerus 

E. horridus see Typothorax coccinarum Triassic 

Erdenetesaurus see Erdenetosaurus U.Cretaceous 

E. robinsonae see Erdenetosaurus robinsonae U.Cretaceous 

Erdeneteosaurus U.Cretaceous 

E. robinsonae 5.5 cm? Campanian 

Eremias M.Miocene 

E. sp. M.Miocene 

Eretmosaurus 5.23 m L.Jurassic 

E. jakowlewi indeterminate material M.Jurassic 

E. rugosus 5.23 m Sinemurian 

E. rzasnickii indeterminate material M.Jurassic 

Erichosaurus L.Miocene 

E. bombimaxilla nomen dubium Colhuehuapian 

E. debilis nomen dubium Colhuehuapian 

E. diminutus nomen dubium Colhuehuapian 

Eridanosaurus 

Erpetosuchus 2.15 m U.Triassic 

E. granti 7 cm 10 cm? 50 cm? Carnian 

E. kansensis see Eobaphetes kansensis, in Amphibia Index 

E. sp. Norian 

Erythrosuchus 1 m 4.9 m? L-U.Triassic 

E. africanus 1 m 4.6 m Scythian 

E. magnus see Uralosaurus magnus Anisian 

E. primus see Garjainia prima 

E. triplicostata see Garjainia triplicostata 

Esteriophagus see Estheriophagus 

Estescincosaurus U.Cretaceous 

E. cooki Campanian 

Estesia 2.5 m L.Cretaceous 

E. mongoliensis 16.5 cm 122 cm Santonian-Campanian 

Estheriophagus U.Permian 

E. chatangensis U.Permian 

Eucritta M.Mississippian 

E. melanolimnetes M.Mississippian 

Eudibamus L-U.Permian 

E. cursoris L-U.Permian 

Eumatthevia see Mycterosaurus 

E. bolli see Mycterosaurus longiceps L.Permian

Eumeces Oligocene-Recent 

E. algeriensis 2.3 cm U.Pliocene-U.Pleistocene 

E. anthracinus material from the Pleistocene of Pennsylvania(US) is a frog 

E. antiquus Arikareean 

E. cadurcensis Miocene 

E. carri U.Blancan-L.Irvingtonian 

E. cf. Fasciatus L-U.Pleistocene 

E. cf. Inexpectatus U.Irvingtonian 

E. fasciatus living Five-lined Skink Rancholabrean-Recent 

E. gilberti living Gilbert Skink Rancholabrean-Recent 

E. hixonorum L.Pliocene 

E. inexpectatus living Five-lined Skink Irvingtonian-Recent 

E. longirostris Pleistocene 

E. minimus U.Miocene 

E. miobsoletus U.Miocene 

E. multivirgatus living Skink Holocene-Recent 

E. obsoletus living Great Plains Skink U.Blancan-Recent 

E. septentrionalis living Prairie Skink Irvingtonian-Recent 

E. skiltonianus living Western Skink Rancholabrean-Recent 

E. sp. L-U.Miocene 

E. sp. Oligocene 

E. sp. Blancan-Irvingtonian 

E. sp. Barstovian 

E. sp. M.Oligocene-U.Pleistocene 

E. striatulus M-U.Blancan 

E. tetragrammus Rancholabrean-Recent 

Eumecoides see Phrynosoma U.Pliocene 

E. hibbardi see Phrynosoma cornutum U.Pliocene 

E. mylocoelus see Phrynosoma cornutum U.Pliocene 

Eumetabolodon 10 cm? L.Triassic 

E. bathycephalus L.Triassic 

E. dongshengensis L.Triassic 

Eunatosaurus see Ennatosaurus 

E. tecton see Ennatosaurus tecton 

Eunotosaurus 15 cm? M.Permian 

E. africanus L.Permian 

Euparkeria 15 cm 1.5 m? L.Triassic 

E. capensis 1 m Scythian 

E. sp. L.Triassic 

Eupodosaurus see Lariosaurus 

E. longobardicus see Lariosaurus balsami 

Euposaurus 9 cm? U.Jurassic 

E. cirinensis(cerinensis) 9 cm? Kimmeridgian 

E. lorteti 5 cm? Kimmeridgian 

E. thiollierei(thiollieri) 6.5 cm Kimmeridgian 

Eurheloderma U.Eocene-L.Oligocene 

E. gallicum 5 cm? U.Eocene-L.Oligocene 

Eurhinosaurus 8 m? L.Jurassic 

E. huenei 7 m? Toarcian 

E. longirostris 83 cm 4.5 m? Toarcian 

Eurycleidus 25 cm 5 m L.Jurassic

E. arcuatus 4.3 m Hettangian 

E. megacephalus 5 m Hettangian 

Eurydorus see Rutiodon 

E. serridens see Rutiodon serridens 

Euryodus U.Triassic 

Eurypterygius see Ichthyosaurus 

Eurysaurus L.Jurassic 

E. latifrons see Cymatosaurus latifrons 

E. latissimus see Germanosaurus latissimus 

E. raincourti 

E. schafferi see Germanosaurus schafferi 

Euscolosuchus U.Triassic 

E. olseni Carnian 

Excalibosaurus L.Jurassic 

E. costini 80 cm Sinemurian 

Exilisuchus U.Permian-L.Triassic 

E. tubercularis Olenekian 

Exostinus U.Cretaceous-Oligocene 

cf. E. lancensis Torrejonian 

E. cf. Sp. Orellan 

E. lancensis Maastrichtian-Torrejonian 

E. rugosus see Restes rugosus Tiffanian 

E. serratus 2 cm? 15 cm? Orellan 

E. silberlingi Torrejonian 

E. sp. Campanian-Maastrichtian 

Fasolasuchus U.Triassic 

F. tenax Norian-Rhaetian 

Fenhosuchus L.Triassic 

F. cristatus Olenekian 

Flaviagama U.Cretaceous 

F. dzerzhinskii U.Cretaceous 

Francosuchus see Parasuchus 

F. angustifrons see Paleorhinus angustifrons 

F. broilii see Paleorhinus broilii 

F. latus see Paleorhinus latus 

F. neukami see Paleorhinus neukami 

F. trauthi see Paleorhinus trauthi 

Frankosuchus see Parasuchus 

Fremouwsaurus see Palacrodon 

F. geludens see Palacrodon browni 

Fresnosaurus 10.8 m U.Cretaceous 

F. drescheri 10.8 m Maastrichtian 

Fritschia see Hylonomus 

Fugusuchus L.Triassic 

F. hejipensis(lejiapensis) 50 cm? 2.5 m? Scythian 

Fukangolepis M-U.Triassic 

F. barbaros Anisian? 

Fukusuchus L.Triassic? 

Fulengia L.Jurassic 

F. youngi 3.8 cm? 80 g? Hettangian 

Galephyrus see Galesphyrus

Galesphyrus U.Permian 

G. capensis U.Permian 

Gallotia see Lacerta 

G. goliah Holocene 

Gambelia see Crotaphytus 

G. corona Blancan-Irvingtonian 

Gamosaurus L.Triassic 

G. lozovskii Olenekian 

Gaptorhinus probably Captorhinus 

G. aguti probably Captorhinus aguti 

Garjainia 50 cm 56 cm 2.8 m L.Triassic 

G. prima 41 cm Olenekian 

G. sp. Olenekian 

G. triplicostata 50 cm 56 cm 2.8 m Olenekian 

Gecatogomphius U.Permian 

G. kavejevi Kazanian 

Gecko see Gekko 

G. gigas see Phelsuma gigas 

G. newtoni see Phelsuma gigas 

G. verticullatus 

Geckolepis U.Pleistocene-Recent 

G. sp. Rancholabrean 

Geiseltaliellus M.Eocene 

G. cf. Longicaudus Lutetian 

G. cf. Louisi see Geiseltaliellus cf. Longicaudus 

G. longicaudus 6 cm 20 cm Lutetian 

G. louisi see Geiseltaliellus cf. Longicaudus 

Gekko Recent 

G. minutus nomen dubium Holocene 

Geocatogomphius see Gecatogomphius 

Georgia preoccupied, see Georgiasaurus 

G. penzensis see Georgiasaurus penzensis 

Georgiasaurus 71 cm 4.9 m U.Cretaceous 

G. penzensis 4.9 m Santonian 

Geosaurus see Crocodylia Index 

G. cynodus indeterminate material 

Gephyrosaurus 3.4 cm L.Jurassic 

G. bridensis 3 cm Sinemurian 

G. sp. 

Gerandogekko L-U.Miocene 

G. arambourgi Aquitanian 

G. gailliardi Vindobonian 

Germanosaurus M.Triassic 

G. graciles 

G. latissimus Anisian 

G. schafferi 24.4 cm Anisian 

Gerontoseps U.Cretaceous 

Gerrhonotus U.Cretaceous-Recent 

cf. G. sp. Campanian-M.Miocene 

G. cf. G. sp. U.Cretaceous-M.Miocene 

G. kingi(kingii) see Elgaria kingii L.Blancan-Recent

G. multicarinatus living Alligator Lizard Blancan-Recent 

G. mungerorum 25 cm? U.Miocene-L.Pliocene 

G. sp. L.Oligocene-U.Pliocene 

G. sp. Blancan 

G. sp. Barstovian 

Gerrhosaurus L.Miocene-Recent 

G. cf. Major 3 cm? L.Miocene 

G. major M.Miocene 

Gilmoreia M.Oligocene 

G. attenuatus see Rhineura hatcheri M.Oligocene 

Gladidenagama U.Cretaceous 

G. semiplena U.Cretaceous 

Glaucosaurus L.Permian 

G. megalops L.Permian 

Glevosaurus probably Clevosaurus U.Triassic 

Globaura U.Cretaceous 

G. venusta 1.5 cm U.Cretaceous 

Globidens 48 cm U.Cretaceous 

G. aegyptiacus see Igdamanosaurus aegyptiacus 

G. alabamaensis 4 m Campanian-Maastrichtian 

G. dakotensis(dakotaensis) 4.9 m Campanian-Maastrichtian 

G. fraasi see Compressidens fraasi Maastrichtian 

G. sp. U.Cretaceous 

G. sp. Maastrichtian 

G. type 1 U.Cretaceous 



Glyptosaurus 46 cm M.Eocene 

aff. G. wahlbeckensis see Pseudeumeces wahlbeckensis 

cf. G. hillsi see Necrosaurus eucarinatus 

cf. G. sp. Bridgerian 

cf. G. sylvestris Bridgerian 

G. anceps see Lestophis anceps Wasatchian-Bridgerian 

G. brevidens see Glyptosaurus sylvestris 

G. cf. Hillsi Bridgerian 

G. cf. Sp. Bridgerian 

G. donohoei see Eoglyptosaurus donohoei 

G. giganteus see Helodermoides tuberculatus Orellan 

G. hillsi see Glyptosaurus sylvestris Bridgerian 

G. macrodon nomen dubium U.Eocene 

G. montanus see Helodermoides tuberculatus L.Oligocene 

G. nodosus see Glyptosaurus sylvestris Wasatchian-Bridgerian 

G. obtusidens Wasatchian 

G. ocellatus see Glyptosaurus sylvestris 

G. plicatulus Tithonian 

G. princeps see Glyptosaurus sylvestris Bridgerian 

G. rugosus see Glyptosaurus sylvestris Bridgerian 

G. sp. Wasatchian 

G. sp. Uintan 

G. sp. Arikareean 

G. sphenodon see Glyptosaurus sylvestris Bridgerian

G. sylvestris 12.5 cm 122 cm? Wasatchian-Bridgerian 

G. tuberculatus 4 cm Bridgerian-Orellan 

Gobekko U.Cretaceous 

G. cretacicus(cretacius) U.Cretaceous 

Gobiderma U.Cretaceous 

G. pulchra 4.7 cm U.Cretaceous 

Gobinatus U.Cretaceous 

G. arenosus U.Cretaceous 

Godavarisaurus L.Jurassic 

G. lateefi 2 cm? L.Jurassic 

Gomphiosauridion U.Triassic 

G. baileyae Carnian 

Gomphiosaurus Triassic 

Gongylomorphus Pleistocene-Recent 

G. bojeri Pleistocene-Recent 

Goniosaurus 

Goronyosaurus 70 cm 7.4 m U.Cretaceous 

G. nigeriensis 70 cm 7.4 m Maastrichtian 

Gracilisaurus U.Permian 

G. ottoi U.Permian 

Gracilisuchus 75 cm M.Triassic 

G. stipanicicorum 9 cm? 30 cm Anisian 

Gracilosaurus see Gracilisaurus 

Graoullyodon U.Triassic 

G. hacheti U.Triassic 

Grendelius 4 m U.Jurassic 

G. mordax Kimmeridgian 

Grippia 15 cm 107 cm L.Triassic 

G. cf. Longirostris see Parvinatator wapitiensis 

G. longirostris Spathian 

Gualosuchus M.Triassic 

G. reigi 26 cm? M.Triassic 

Guchengosuchus L.Triassic 

G. shiguainensis see Vjushkovia shiquaiensis Olenekian 

Gurvansaurus U.Cretaceous 

G. canaliculatus U.Cretaceous 

G. potissimus U.Cretaceous 

Guyneddosaurus see Tanytrachelos 

Gwyneddosaurus see Tanytrachelos? 

G. erici see Tanytrachelos? U.Triassic 

Gymnocetus see Cyrmocetus 

Gymocetus see Crymocetus 

Haasia preoccupied, see Haasiasaurus U.Cretaceous 

Haasiasaurus U.Cretaceous 

Habrosaurus an Amphibian, see Amphibia Index 

Hadrokkosaurus M.Triassic 

H. bradyi Anisian 

Hainosaurus 1.5 m 15 m U.Cretaceous 

H. bernardi 15 m Maastrichtian 

H. gaudreyi Santonian 

H. pembinensis Campanian

H. sp. Campanian 

Halazaisuchus see Halazhaisuchus 

Halazhaisuchus L.Triassic 

H. glaoensis(qiaoensis) Olenekian 

H. sp. 

Halidracon see Plesiosaurus 

Halidragon see Plesiosaurus 

Haligonia U.Triassic 

H. bolodon 2 cm? U.Triassic 

Halisaurus 41 cm 4.6 cm U.Cretaceous 

cf. H. sp. Campanian 

H. fraternus see Plioplatecarpus depressus 

H. n.sp. 

H. onchognathus Coniacian-Santonian 

H. ortliebi 41 cm 4.6 m 

H. platyspondylus Maastrichtian 

H. sp. Santonian 

H. sp. Maastrichtian 


H. sp. (cf. H. sternbergi) 

H. sternbergi 2.7 m Coniacian-Santonian 

Hallucicrania not actually a genus, but an infraorder 

Hanosaurus 76 cm M.Triassic 

H. hupehensis 8.9 cm? Anisian 

Haplodontosaurus L.Paleocene 

H. excedens nomen dubium Puercan 

Haptodus 2.2 m? U.Pennsylvanian-L.Permian 

H. baylei 18 cm 28 cm? 1.4 m? L.Permian 

H. garnettensis 9 cm 14 cm? 71 cm? U.Pennsylvanian 

H. gaudryi see Haptodus baylei L.Permian 

H. grandis 28 cm 2.2 m? L.Permian 

H. longicaudatus see Haptodus baylei L.Permian 

H. macrourus see Haptodus baylei L.Permian 

H. saxonicus see Haptodus baylei L.Permian 

Haptosphenus U.Cretaceous 

H. placodon Maastrichtian 



Harmodontosaurus M-U.Cretaceous 

H. emeryensis Albian-Cenomanian 

Harpagosaurus see Exostinus 

H. excedens see Haplodontosaurus excedens Puercan 

H. parvus see Exostinus lancensis Maastrichtian 


H. silberlingii see Proxestops silberlingi 

Harrisonsaurus L.Miocene 

H. fossilis 1 cm? Arikareean 

Hatteria see Sphenodon 

H. punctatus see Sphenodon punctatus 

Hauboldisaurus unclear if this is even considered a valid taxon 

H. eopermicus

Hauffiosaurus L.Jurassic 

H. zanoni 43 cm 2.5 m Toarcian 

Hecatocomphius probably Hecatogomphius 

Hecatogomphius see Gecatogomphius M.Permian 

Heleophilus U.Permian 

H. acutus U.Permian 

Heleosaurus 50 cm U.Permian 

H. scholtzi U.Permian 

H. sp. 

Heleosuchus U.Permian 

H. griesbachi U.Permian 

Heliosaurus see Heleosaurus 

Helodectes see Amphibia Index 

Heloderma 76 cm Oligocene-Miocene 

H. gallicum Headonian 

H. horridum living Beaded Lizard 

H. matthewi see Lowesaurus matthewi Orellan 

H. sp. L-M.Miocene 

H. suspectum living Gila Monster Rancholabrean-Recent 

H. texana 2.5 cm Arikareean 

Helodermoides 46 cm Eocene-M.Oligocene 

cf. H. tuberculatus Chadronian-Orellan 

H. mongoliensis see Placosaurus mongoliensis Eocene 

H. sp. Chadronian 

H. sp. U.Eocene 

H. tuberculatus 10 cm? Chadronian 

Helveticosaurus 2 m M.Triassic 

H. zollingeri(zollinseri) Anisian 

Hemidactylus Recent 

H. capensis see Lygodactylus capensis Holocene 

H. cf. Frenatus Holocene 

H. viscatus Holocene? 

Hemilopas see Tholodus 

H. mentzeli see Tholodus 

Hemisphaeriodon see Tiliqua 

Henodus 2.15 m? U.Triassic 

H. chelyops 1.2 m Carnian 

Heptasuchus U.Triassic 

H. clarki U.Triassic 

Herpetosuchus see Erpetosuchus 

H. granti see Erpetosuchus granti 

Hescheleria see Clarazia 

H. rubeli(ruebeli) M.Triassic 

Hesperosuchus see Crocodylia Index 

Heterodontosuchus see Nicrosaurus U.Triassic 

H. ganei see Nicrosaurus ganei U.Triassic 

Hexatarostinus L.Jurassic 

Himalayasaurus 15.4 m? U.Triassic 

H. tibetensis see Tibetosaurus tingjiensis Norian 

Himalayosaurus see Himalayasaurus 

Hoburogekko L.Cretaceous

H. sukhanovi(suchanovi) L.Cretaceous 

Hodzhakulia L-M.Cretaceous 

H. magma Albian-Coniacian 

H. sp. Albian-Aptian 

Holbrokia probably Holbrookia 

H. maculata probably Holbrookia maculata Irvingtonian-Recent 

Holbrookia M.Miocene-Recent 

H. antiqua 9 mm? M.Miocene 

H. maculata living Earless Lizard Irvingtonian-Recent 

H. sp. Rancholabrean 

H. sp. Rancholabrean 

H. texana 1 cm? Rancholabrean-Recent 

Holcodus U.Cretaceous 

H. acutidens see Hyposaurus rogersii, in Crocodylia Index 

H. coryphaeus see Platecarpus coryphaeus 

H. ictericus see Platecarpus ictericus 

Holmanisaurus U.Eocene 

H. oligocenicus Chadronian 

Holosaurus see Platecarpus 

H. abruptus see Platecarpus coryphaeus U.Cretaceous 

Homaeosaurus see Homoeosaurus 

H. pulchellus see Kallimodon pulchellus 

Homeosaurus 3.5 cm 20 cm U.Jurassic 

H. aff. Solnhofensis 

H. brevipes see Ardeosaurus brevipes 

H. macrodactylus see Bavarisaurus macrodactylus 

H. maximiliani 20 cm U.Jurassic 

H. pulchellus 23 cm Tithonian 

H. sp. Tithonian 

Homoeosaurus 3.5 cm 75 cm? U.Jurassic 

H. aff. Solnhofensis 

H. maximiliani 20 cm U.Jurassic 

H. parvipes 

H. pulchellus 23 cm Tithonian 

H. solnhofensis U.Jurassic 

H. sp. Tithonian 

Homoesaurus see Homeosaurus 

H. macrodactylus see Bavarisaurus macrodactylus 

Honania U.Permian 

H. complicidentata U.Permian 

Hoplitasuchus see Hoplitosuchus? U.Triassic 

Hoplitosaurus 

H. sp. 

Hoplitosuchus U.Triassic 

H. raui 

Hovasaurus 1 m? U.Permian 

H. boulei 50 cm U.Permian 

Howesia L.Triassic 

H. browni L.Triassic 

Huanghesaurus see Shihtienfenia U.Permian 

H. liulinensis see Shihtienfenia permica U.Permian

Hudsonelpidia 13 cm 76 cm U.Triassic 

H. brevirostris 13 cm 76 cm Norian 

Huehuecuetzpalli L.Cretaceous 

H. mixtecus Albian 

Hupehsuchus see Nanchangasaurus 

H. nanchangensis M.Triassic 

Hwanghocynodon U.Permian 

H. multienspidus U.Permian 

Hydralmosaurus 38 cm 11.4 cm U.Cretaceous 

H. serpentinus 11.4 cm Santonian-Campanian 

Hydrosaurus Pontosaurus 

H. lensinensis 5.8 cm 126 cm L.Cretaceous 

Hydrothecrosaurus see Hydrotherosaurus 

Hydrotherosaurus 33 cm 12.9 m U.Cretaceous 

H. alexandrae 12.9 m Maastrichtian 

H. riggsi see Alzadasaurus riggsi 

Hyloplesion see Amphibia Index 

Hylonomus 3.5 cm 3.5 cm 30 cm? L.Pennsylvanian 

H. fritschia(fritschi) see Saxonerpeton geinitzi & Batrophetes fritschia (in Amph 

H. geinitzi see Saxonerpeton geinitzi, in Amphibia Index 

H. lyelli 3 cm 25 cm Westphalian 

Hyorhynchus U.Permian 

Hyperodapedon 19 cm 2 m? U.Triassic 

H. gordoni Carnian 

H. huenei 14.6 cm Ladinian 

H. huxleyi see Parasuchus hislopi? Carnian 

H. mariensis Carnian 

H. sanjuanensis Carnian 

Hyperodepedon see Hyperodapedon 

Hyphalosaurus L.Cretaceous 

H. lingyuanensis 64 cm? Barremian 

H. sp. L.Cretaceous 

Hypopnous see Captorhinus 

H. squaliceps see Romeria sp. Leonardian 

Hyporhina M.Oligocene 

H. antiqua 1 cm Orellan-Whitneyan 

H. galbreathi see Hyporhina antiqua 

H. tertia 1.2 cm? Chadronian 

Hypselorhachis M.Triassic 

H. mirabilis nomen nudum Anisian 

Hypsiglena Pliocene-Recent 

H. sp. Blancan-Irvingtonian 

Hypsognathus 10 cm 33 cm U.Triassic 

H. fenneri Norian 

H. sp. Carnian 

Hypsorhina see Hyporhina 

H. antigua see Hyporhina antiqua 

H. antiqua see Hyporhina antiqua 

Hypuronector U.Triassic 

H. limnaios Carnian 

Ianthasaurus 60 cm? U.Pennsylvanian

I. Hardestii 60 cm? U.Pennsylvanian 

Ianthosaurus see Ianthasaurus 

I. hardestii see Ianthasaurus haardestii 

Iberovaranus M.Miocene 

I. Catalaunicus Burdigalian 

Icarosaurus 30 cm 800 g? U.Triassic 

I. Siefkeri 2.5 cm Carnian 

I. Sp. Carnian 

Ichthyosaurus 52 cm 2.5 m L-U.Jurassic 

I. Acutirostris Pliensbachian 

I. Arietis Jurassic 

I. Atavus see Mixosaurus atavus M.Triassic 

I. Australis L.Cretaceous 

I. Bambergensis L.Jurassic 

I. Bodenbenderi 

I. Breviceps 24 cm 1.5 m Sinemurian 

I. Burgundiae 

I. Californicus U.Jurassic 

I. Campylodon see Myopterygius kiprijanoffi 

I. Communis 52 cm 2.5 m Sinemurian 

I. Coniformis 

I. Conybeari 1 m Sinemurian 

I. Cornalianus see Mixosaurus cornalianus 

I. Crassimanus 

I. Dorsetensis 1.8 m Jurassic 

I. Enthekiodon Kimmeridgian 

I. Extremus see Brachypterygius extremus 

I. Franciscanus U.Jurassic 

I. Hercynicus Aptian? 

I. Immanis 

I. Intermedius 1.8 m Hettangian 

I. Janiceps see Macgowania janiceps Norian 

I. Kurskensis indeterminate material L.Cretaceous 

I. Leptospondylus see Aegirosaurus leptospondylus 

I. Lonchiodon L.Jurassic 

I. Longifrons 

I. Longirostris L.Jurassic 

I. Marathonensis L.Cretaceous 

I. Megacephalus Jurassic 

I. Missouriensis see Mosasaurus missouriensis 

I. Nasimovii nomen dubium Tithonian 

I. Numismalis 

I. Platyodon see Temnodontosaurus platyodon 

I. Quadriscissus Pleinsbachian 

I. Sp. 4 m L.Jurassic 

I. Sp. L.Jurassic 

I. Steleodon see Platypterygius steleodon? 

I. Strombecki Cretaceous 

I. Tenuirostris Rhaetian-Sinemurian 

I. Thyreospondylus Kimmeridgian 

I. Torrei a Plesiosaur Oxfordian

I. Trigonodon 

I. Trigonus see Macropterygius trigonus 

I. Triscissus Jurassic 

I. Volgensis see Otschevia? Tithonian 

I. Zetlandicus 

Igdamanosaurus 3.7 m U.Cretaceous 

I. Aegyptiacus 3.7 m Campanian-Maastrichtian 

Igua U.Cretaceous 

I. Minuta Albian 

Iguana U.Pleistocene-Recent 

I. Delicatissima living Iguana Holocene-Recent 

I. Europaea see Placosaurus europaeus 

I. Europaeana see Placosaurus europaeus 

I. Europoeana see Placosaurus europaeus 

I. Haueri nomen dubium Tertiary 

I. Iguana Blancan-Recent 

I. I. Reverti see Iguana delicatissima 

I. Sp. U.Pleistocene 

I. Sp. Holocene 



Iguanavus U.Cretaceous-M.Eocene 

I. Exilis Bridgerian 

I. Teres see Chamops segnis Maastrichtian 

Iguanosauriscus see Eolacerta 

I. Haupti see Eolacerta robusta Lutetian 

I. Paleocenicus see Plesiolacerta paleocenica 

Iguanosaurus see Eolacerta 

aff. I. Paleocenicus see Plesiolacerta paleocenica 

I. haupti see Eolacerta robusta Lutetian 

Ikechosaurus L-M.Cretaceous 

I. Magnus 25 cm? 3 m? Albian 

I. Sunailinae L.Cretaceous 

Ilerdaesaurus U.Jurassic-L.Cretaceous 

I. Crusafonti U.Jurassic-L.Cretaceous 

Impensodens see Lepidophyma 

I. Arizeloglyphus see Lepidophyma arizeloglyphus 

Insulophodon L.Triassic 

I. Morachovskayae Olenekian 

Introrsisaurus see Dorsetisaurus 

I. Pollicidens see Dorsetisaurus purbeckensis 

Irenosaurus 1.5 m? M.Cretaceous 

I. Egloni Aptian 

Isalarhynchus 

I. Genovetae(genovoetae) M.Triassic 

Isalorhynchus probably Isalarhynchus M-U.Triassic 

I. Genovefae(genovetae) U.Triassic 

Ischyrodon see Liopleurodon 

I. Meriani 

Ischyrosaurus see Ischyrotherium 

Ischyrotherium U.Triassic

I. Antiquum U.Triassic 

Iserosaurus Cretaceous 

I. Litoralis Cretaceous 

Isfjordosaurus L.Triassic 

I. Minor Spathian 

Isodontosaurus U.Cretaceous 

I. Gracilis 2.5 cm U.Cretaceous 

Jaikosuchus L.Triassic 

J. magnus Olenekian 

Jepsibaena 1.8 cm? L.Eocene 

J. minor Wasatchian 

Jesairosaurus 2.5 cm? 20 cm L-M.Triassic 

J. lehmani 2.5 cm? 20 cm L-M.Triassic 

Jushatyria M.Triassic 

J. vjushkovi Ladinian 

Kadaliosaurus L.Permian 

K. priscus L.Permian 

Kadimakara 3.3 cm 46 cm? L-M.Triassic 

K. australiensis 3.3 cm 36 cm L-M.Triassic 

Kahneria M.Permian 

K. seltina U.Permian 

Kaiwhekea U.Cretaceous 

K. katiki 62 cm 6.5 m Cenomanian-Maastrichtian 

Kalisuchus 25 cm? 1 m L.Triassic 

K. rewanensis 25 cm? 1 m L.Triassic 

Kallimodon 3.3 cm U.Jurassic 

K. cerinensis 

K. pulchellus 3.3 cm 20 cm? Kimmeridgian-Berriasian 

K. sp. 

Kapes L-M.Triassic 

K. amaneus Olenekian 

K. bentoni Anisian 

K. majmesculae Olenekian 

K. serotinus Anisian 

Keichousaurus 50 cm M.Triassic 

K. hui 18 cm? Anisian-Carnian 

K. lusiensis 

K. sp. M.Triassic 

K. yunnanensis(yuananensis) 50 cm Anisian 

Kenyasaurus L.Triassic 

K. mariakaniensis L.Triassic 

Khudiakovia M.Jurassic 

K. calloviensis see Ophthalmosaurus sp.? Callovian 

Khurendukhosaurus L.Cretaceous 

K. bajkalensis

Koalemmasaurus see Bradysaurus 

K. acutirostris see Bradysaurus acutirostris M.Permian 

Koalemasaurus see Bradysaurus 

Koiloskiosaurus L.Triassic 

K. coburgensis L.Triassic 

Kolposaurus Plotosaurus U.Cretaceous 

K. bennisoni see Plotosaurus bennisoni 

K. dichthadius nomen dubium, see Nothosaurus marchicus 

K. tuckeri Maastrichtian 

Konkasaurus U.Cretaceous 

K. mahalana Maastrichtian 

Kronosaurus 3.7 m? 12.9 m? L.Cretaceous 

K. boyacensis 2.4 m 8.9 m Aptian-Albian 

K. queenslandicus 2.7 m 10.8 m Aptian-Albian 

Kudnu 30 cm L-M.Triassic 

K. mackinleyi(mackinlayi) 20 cm L.Triassic 

Kuehneosaurus 66 cm U.Triassic 

K. latus 3.7 cm Rhaetian 

Kuehneosuchus U.Triassic 

K. latissimus 45 cm? U.Triassic 

Kupferzell 

K. raui 

Kwangisaurus see Kwangsisaurus 

Kwangsisaurus L.Triassic 

K. lusiensis nomen dubium Ladinian 

K. orientalis Anisian-Ladinian 

Labidosaurikos L.Permian 

L. barkeri L.Permian 

L.meachami 40 cm? L.Permian 

Labidosaurus 70 cm L.Permian 

L. broili 

L. hamatus 10 cm? 70 cm Wolfcampian-Leonardian 

L. oklahomensis 

L. sp. Wolfcampian-Leonardian 

L. stovalli 

Lacerta 1.25 m L.Eocene-Recent 

L. aff. Lepida U.Irvingtonian 

L. agilis living Sand Lizard Oldenburgian-Recent 

L. ambigua nomen dubium U.Miocene 

L. antiqua nomen dubium U.Oligocene 

L. bifidentata nomen dubium U.Miocene 

L. castellanensis Pleistocene 

L. cf. Erhardii Oldenburgian 

L. cf. Sicula U.Blancan-Rancholabrean 

L. cf. Viridis U.Blancan-L.Irvingtonian 

L. crassidens nomen dubium U.Blancan 

L. eocaena(eocena) belongs to a fish L.Eocene 

L. filholi U.Eocene-L.Miocene 

L. fossilis nomen dubium Oldenburgian 

L. gangeticus see Gavialis gangeticus, in Crocodylia Index 

L. giganteus(gigantea) see Geosaurus giganteus, in Crocodylia Index

L. goliath 1 m Holocene 

L. lamandini see Pseudolacerta lamandini 

L. lepida living Jewelled Lizard U.Pleistocene-Recent 

L. maxima 1.25 m Pleistocene-Holocene 

L. mucronata see Pseudolacerta mucronata 

L. muralis living Wall Lizard 

L. neptunia see Leptosaurus neptunia U.Jurassic 

L. philippiana nomen dubium U.Miocene 

L. poncenatensis Agenian 

L. ponsortiana nomen dubium U.Miocene 

L. pterigoides see Lacerta maxima 

L. pulla M.Oligocene 

L. rottensis U.Oligocene 

L. ruscinensis Pliocene 

L. sansaniensis nomen dubium U.Miocene 

L. sculimelitensis(siculimelitensis) 75 cm Oldenburgian 

L. simonyi Holocene 

L. s.l. filholi Agenian 

L. sp. M.Pleistocene 

L. sp. L.Miocene-Holocene 

L. stehlini Holocene 

L. viridis living Emerald Lizard U.Pliocene-Recent 

L. vivipara living Common Lizard Oldenburgian-Recent 

Lacertulus U.Permian-L.Triassic 

L. bipes 10 cm? U.Permian 

Laemanctus Recent 

L. sp. Holocene 

Lagerpeton 20 cm h 71 cm 450 g M.Triassic 

L. canarensis 20 cm h 71 cm 450 g Ladinian 

Lagosuchus 3.3 cm 15 cm h 50 cm 900 g M.Triassic 

L. lilloensis see Marasuchus lilloensis 

L. talampayensis 3.3 cm 15 cm h 50 cm 900 g Ladinian 

Lambrosauroides see Lamprosauroides 

L. goepperti see Lamprosauroides goepperti 

Lamprosauroides M.Triassic 

L. goepperti Ladinian 

Lamprosaurus see Lamprosauroides 

L. goepperti(gopperti) see Lamprosauroides goepperti 

Lanceosaurus see Chamops 

L. compressus see Chamops segnis Maastrichtian 

L. hatcheri see Chamops segnis Maastrichtian 

Langobardisaurus 48 cm U.Triassic 

L. pandolfii 9 cm? 48 cm Norian 

L. tonelloi see L. pandolfi? Norian 

Lanthaniscus U.Permian 

L. efremovi Tatarian 

Lanthanolania U.Permian 

L. ivakhnenkoi 2.2 cm Kazanian-Tatarian 

Lanthanosuchus 15 cm 76 cm U.Permian 

L. watsoni 15 cm 76 cm Tatarian 

Laonogekko L.Eocene

L. lefevrei 1.5 cm? Ypresian 

Lathanotus Recent 

Lariosaurus 60 cm M.Triassic 

L. balsami Ladinian 

L. b. var. plinii see Lariosaurus balsami 

L. balsanti 1 m M.Triassic 

L. buzzii 8 cm? 3.7 m Anisian-Ladinian 

L. calcagnii 2 m? Ladinian 

L. cf. Balsami see Lariosaurus balsami 

L. curionii 6 cm? 

L. lanzi nomen nudum 

L. lavizzarii see Lariosaurus balsami Ladinian 

L. lusiensis 

L. stensioei Anisian-Ladinian 

L. valceresii Anisian-Ladinian 

L. xingyiensis Ladinian 

Lazarossuchus U.Oligocene 

Lazarussaurus 

Leiocephalikon see Amphibia Index 

Leiocephalus Miocene-Pleistocene 

L. apertosulcus 2 cm? 40 cm? Rancholabrean 

L. cf. Carinatus see Leiocephalus carinatus 

L. carinatus living 22 cm? Rancholabrean-Recent 

L. cuneus 3 cm? Rancholabrean 

L. etheridgei 24 cm? Rancholabrean 

L. herminieri Holocene 

L. jamaicensis 26 cm? Rancholabrean 

L. nebraskensis Barstovian 

L. partitus 26 cm? Rancholabrean 

L. personatus 15 cm? Rancholabrean-Holocene 

L. septentrionalis see Leiocephalus nebraskensis 

L. sp. Arikareean-Holocene 

L. sp. Cf. Septentrionalis 1.5 cm? Miocene 

Leiodon see Liodon 

L. anceps U.Cretaceous 

L. haumuriensis see Tylosaurus haumuriensis 

L. laticaudus see Plioplatecarpus depressus 

L. mosasaurus 

L. prorigor see Tylosaurus prorigor 

L. sp. U.Cretaceous 

Leiolopisma Holocene 

L. mauritiana 7 cm? 40 cm? Holocene 

L. telfairii 34 cm? Holocene 

Leiosaurus Pliocene-Recent 

L. bellii Rancholabrean 

L. marelli nomen dubium Ensenadan 

Lepidophyma U.Pleistocene-Recent 

L. arizeloglyphus Holocene 

L. sp. Rancholabrean 

Lepidosaurus 

Leptochamos Paleocene

Leptochamops U.Cretaceous 

cf. L. sp. U.Cretaceous 

L. denticulatus Campanian-Maastrichtian 

L. sp. Maastrichtian 

L. sp. Campanian 

Leptocheirus see Teretocnemus U.Triassic 

L. zitteli see Teretocnemus zitteli Carnian 

Leptocleidus 32 cm 3 m L.Cretaceous 

L. capensis 3 m Hauterivian 

L. clemai 3 m Hauterivian-Barremian 

L. "Eric" 2 m Albian 

L. superstes 3 m Hauterivian-Barremian 

Leptocraniopsis U.Pennsylvanian 

L. hamiltensis U.Pennsylvanian 

Leptonectes U.Triassic-L.Jurassic 

L. cf. Tenuirostris 1 m? 4 m? Hettangian-Sinemurian 

L. moorei Pliensbachian 

L. solei 

L. tenuirostris Rhaetian-Sinemurian 

Leptopleuron 122 cm M-U.Triassic 

L. lacertinum U.Triassic 

Leptopterygius 147 cm 9.2 m L.Jurassic 

L. acutirostris see Leptopterygius burgundiae 

L. burgundiae 147 cm 7 m Toarcian 

L. disinteger see Suevoleviathan disinteger Toarcian 

L. solei L.Jurassic 

L. tenuirostris 95 cm 4 m Rhaetian-Sinemurian 

Leptoropha M.Permian 

L. novojilovi see Rhipaeosaurus talonophorus 

Leptosaurus see Homoeosaurus 

L. neptunia(neptunius) U.Jurassic 

Leptosuchus see Rutiodon 

L. cf. Crosbiensis U.Triassic 

L. crosbiensis see Rutiodon crosbiensis U.Triassic 

L. imperfecta see Rutiodon imperfecta U.Triassic 

L. studeri see Rutiodon studeri U.Triassic 

Lestanshoria L.Triassic 

L. massiva Olenekian 

Lesticodus see Mosasaurus 

Lestophis Eocene-L.Oligocene 

L. anceps Bridgerian 

L. crassus Bridgerian 

L. sp. Bridgerian 

Lestosaurus see Platecarpus 

L. medius see Platecarpus coryphaeus U.Cretaceous 

Leurospondylus 2.3 m U.Cretaceous 

L. ultimus Maastrichtian 

Leutkesaurus M.Cretaceous 

L. no species cited Cenomanian 

Lewisuchus 14 cm 27 cm 114 cm 1.3 kg M.Triassic 

L. admixtus 14 cm 27 cm 114 cm 1.3 kg Ladinian

Libognathus U.Triassic 

L. sheddi Norian 

Libonectes 46 cm 10.5 m M.Cretaceous 

L. morgani 46 cm 10.5 m Turonian 

Ligerosaurus M.Miocene 

L. pouiti 1.8 cm? Orleanian 

Likhoelesaurus probably Basutodon 

L. ingens U.Triassic 

Likoelesaurus see Likhoelesaurus 

Limnophis preoccupied, see Lestophis 

L. crassus preoccupied, see Lestophis crassus 

Liodon 122 cm 12.3 m U.Cretaceous 

L. anceps U.Cretaceous 

L. congrops see Clidastes U.Cretaceous 

L. curtirostris see Platecarpus curtirostris 

L. ictericus see Platecarpus ictericus 

L. laticaudus see Plioplatecarpus depressus 

L. mosasauroides 12.3 m 

L. mosasaurus 

L. paradoxus see Dakosaurus paradoxus, in Crocodylia Index 

L. perlatus see Tylosaurus U.Cretaceous 

L. primaevum see Dakosaurus primaevus, in Crocodylia Index 

L. prorigor see Tylosaurus prorigor 

L. rhiphalus see Tylosaurus rhiphalus Campanian 

L. sectorius(sectoius) 9.2 m U.Cretaceous 

Liopleurodon 4.9 m? 24.6 m? U.Jurassic 

L. cf. Macromerus 

L. cf. Pachydeirus 

L. ferox 1.5 m 12 m Callovian 

L. grossouveri 

L. macromerus(macromerius) see Pliosaurus macromerus? Callovian-Tithonian 

L. nova 

L. pachydeirus Callovian 

L. philarchus see Peloneustes philarchus? 

L. rossicus 1 m? 5 m? Tithonian 

Lipognathus 

Lisboasaurus 2 cm? U.Jurassic 

L. estesi Kimmeridgian 

L. mitracostatus Kimmeridgian 

Litakis U.Cretaceous 

L. gilmorei Maastrichtian 

L. sp. Maastrichtian 

Longisquama 30 cm? L.Triassic 

L. insignis(insugnis) 2.3 cm 23 cm Scythian 

Longobardisaurus probably Langobardisaurus U.Triassic 

Longosuchus U.Triassic 

L. meadei 2.9 m Carnian 

Lophoprosopus see Nicrosaurus 

Lophorhinus see Nicrosaurus 

Lophura preoccupied, see Hydrosaurus 

Loricotherium see Placosaurus M.Eocene

L. waltheri see Placosaurus waltheri Lutetian 

Lotosaurus 3 m M.Triassic 

L. adentus(edentus) 25 cm? 3 m Ladinian 

Lowesaurus M.Oligocene-L.Miocene 

L. matthewi Orellan-Arikareean 

Lucasuchus U.Triassic 

Luetkesaurus U.Cretaceous 

Lukousaurus 2 m L.Jurassic 

L. yini Hettangian 

Lupeosaurus L.Permian 

L. kayi Wolfcampian 

L. sp. Leonardian-Wolfcampian 

Luperosuchus M.Triassic 

L. fractus 60 cm? Anisian 

Lygodactylus Recent 

L. capensis Holocene 

Lysorophus see Amphibia Index 

Lystromycter 30 cm L.Miocene 

L. leakeyi L.Miocene 

Lythrosaurus 

L. langstoni 

Lythrosuchus U.Triassic 

L. langstoni 

Mabuya U.Pleistocene-Recent 

M. mabouya 20 cm? Rancholabrean 

M. sp. Rancholabrean 

Macellodus U.Jurassic 

M. brodiei see Becklesius hoffstetteri U.Jurassic 

Macgovania see Macgowania 

M. janiceps 

Macgowania U.Triassic 

M. janiceps Norian 

Machaeroprosopus see Rutiodon 

M. adamanensis see Rutiodon adamanensis 

M. andersoni see Rutiodon andersoni 

M. gregorii 138 cm 11 m+ Norian 

M. lithodendrorum see Rutiodon lithodendrorum 

M. sp. U.Triassic 

M. tenuis see Rutiodon tenuis 

M. validus see Rutiodon validus 

M. zunii see Rutiodon zunii 

Machaerosaurus M.Paleocene-M.Oligocene 

cf. M. torrejonensis M.Paleocene 

M. cf. Torrejonensis Torrejonian 

M. pawneensis see Parophisaurus pawneensis M.Oligocene 

M. terrejonsis probably Machaerosaurus torrejonensis 

M. torrejonenensis see Machaerosaurus torrejonensis 

M. torrejonensis Torrejonian 

M. torrejonsis see Machaerosaurus torrejonensis 

Macrocephalosaurus 12 cm U.Cretaceous 

M. chulsanensis 8 cm Campanian

M. ferrugenosus(ferrugenous) 12 cm Campanian 

M. gilmorei 8 cm Campanian 

Macrochemus see Macrocnemus 

M. bassanii see Macrocnemus bassanii 

Macrocnemus 84 cm M.Triassic 

M. anatinus indeterminate material M.Triassic 

M. bassanii(basanii) Ladinian 

Macrodontophion Jurassic 

Macroleter U.Permian 

M. poezicus Tatarian 

Macromerion U.Pennsylvanian 

M. schwartzenbergii Stephanian 

Macromerosauro see Lariosaurus 

Macromerosaurus see Lariosaurus M.Triassic 

M. plinii(plinj) see Lariosaurus balsami 

Macromirosaurus see Lariosaurus M.Triassic 

M. plinii see Lariosaurus balsami 

Macrophelsuma Pleistocene 

M. guentheri see Phelsuma cf. Guentheri 

M. newtoni see Phelsuma gigas 

Macrophon L.Triassic 

M. komiensis Olenekian 

Macroplacus U.Triassic 

M. raeticus 18 cm? Rhaetian 

Macroplata 71 cm 4.9 m L.Jurassic 

M. longirostris 71 cm 4.9 m Hettangian-Toarcian 

M. tenuiceps 58 cm 4.7 cm Hettangian 

Macropterygius L-U.Jurassic 

M. trigonus 

Macrorhineura L.Miocene 

M. skinneri 1.8 cm? Arikareean 

Macrormerion see Macromerion U.Pennsylvanian 

M. schwartzenbergii see Macromerion schwartzenbergii 

Macrornerion probably Macrormerion 

Macrosaurus see Mosasaurus U.Cretaceous 

M. polyspondylus see Eogyrinus attheyi, in Amphibia Index 

M. prorigor see Tylosaurus prorigor 

M. sp. U.Cretaceous 

Macroscelosaurus see Tanystropheus M.Triassic 

Macroscincus 

M. cocteaui 

Malerisaurus U.Triassic 

M. langstoni 12 cm 1.2 m? Carnian 

M. robinsonae Carnian 

Malutinisuchus M.Triassic 

M. gratus Ladinian 

Mandasuchus 2.5 m M.Triassic 

M. tanyauchen Anisian 

Marasuchus 122 cm M.Triassic 

M. lilloensis Ladinian 

Maresaurus 76 cm 6.2 m M.Jurassic

M. coccai 6.2 m Bajocian 

Marmoretta 2.3 cm? M.Jurassic 

Marpagosaurus see Exostinus 

M. parvus see Exostinus lancensis 

Mauisaurus 12.3 m? U.Cretaceous 

M. brachiolatus see Mauisaurus haasti 

M. gardneri Albian 

M. haasti 9.2 m Maastrichtian 

Megacnemus M.Triassic 

M. grandis 50 cm? M.Triassic 

Megalancosaurus 36 cm U.Triassic 

M. preonensis 2.7 cm 36 cm Norian 

Megalania 80 cm 7 m? 620 kg Pliocene-Pleistocene 

M. prisca 80 cm 4.9 m 620 kg Rancholabrean 

M. sp. Quaternary 

Megalangosaurus see Megalancosaurus 

Megalneusaurus 10.5 m U.Jurassic 

M. rex 10.5 m Kimmeridgian-Portlandian 

Megasaurus see Palaeosaniwa 

M. robustus see Palaeosaniwa canadensis & Paraderma bogerti 

Melanosauroides see Necrosaurus M.Eocene 

M. eucarinatus see Necrosaurus eucarinatus 

M. giganteus see Necrosaurus eucarinatus 

Melanosaurus L.Eocene-L.Oligocene 

M. maximus 9.2 cm Wasatchian 

M. sp. Wasatchian 

M. sp. Ypresian 

Melanothyris see Protorothyris L.Permian 

M. morani L.Permian 

Meniscognathus U.Cretaceous 

M. altmani(altman) Maastrichtian 

M. sp. Maastrichtian 

Merriamia U.Triassic 

M. zitteli see Toretocnemus zitteli Carnian 

Mesenosaurus 38 cm U.Permian 

M. romeri 3 cm? 38 cm Tatarian 

Mesodapedon U.Triassic 

Mesoleptos see Carsosaurus L.Cretaceous 

Mesorhinosaurus 

M. fraasi 

Mesorhinosuchus see Paleorhinus U.Triassic 

M. fraasi see Paleorhinus fraasi Scythian-Ladinian 

Mesorhinus preoccupied by a fish, reptilian material lost in WWII reass 

Mesosaurus 20 cm? 1 m L.Permian 

M. brasiliensis see Mesosaurus tenuidens Artinskian 

M. capensis see Mesosaurus tenuidens L.Permian 

M. pleurogaster see Mesosaurus tenuidens L.Permian 

M. tenuidens 1 m L.Permian 

M. tumidus(tumidum) 76 cm L.Permian 

Mesosuchus 60 cm 30 cm L.Triassic 

M. browni L.Triassic

Metamosaurus see Metarmosaurus 

M. fossatus see Metarmosaurus fossatus 

Metanothosaurus L.Triassic 

M. nipponicus L.Triassic 

Metarhinus see Arribasuchus 

Metarmosaurus see Amphibia Index 

M. fossatus 2 m? L.Permian 

Meyasaurus U.Jurassic-L.Cretaceous 

M. faurai 26 cm? U.Jurassic-L.Cretaceous 

Meyerasaurus U.Jurassic 

Microcenemus see Microcnemus 

M. efremovi see Microcnemus efremovi 

Microcleidus 6.15 m L.Jurassic 

M. brachypterygius see Plesiosaurus guilelmiimperatoris 

M. homalospondylus 6.15 m Toarcian 

M. macropterus L.Jurassic 

Microcnemus L.Triassic 

M. efremovi Olenekian 

M. sp. Induan-Olenekian 

Microleptosaurus M.Triassic 

M. schlosseri Ladinian 

Micronothosaurus see Cymatosaurus 

M. stensioeii(stensioi) see Cymatosaurus stensioeii or Lariosaurus stensioei 

Microphon see Amphibia Index U.Permian-L.Triassic 

M. exiguus 1 cm? Tatarian 

Microtheledon L.Triassic 

M. parvus L.Triassic 

Microthelodon see Microtheledon L.Triassic 

Mikadocephalus M.Triassic 

M. gracilirostris Anisian-Ladinian 

Milleretoides probably Millerettoides U.Permian 

Milleretops see Millerettops 

Millerettoides U.Permian 

M. platyceps U.Permian 

Milleretta 60 cm U.Permian 

M. rubidgei U.Permian 

Millerettops U.Permian 

M. kitchingi 2.5 cm? U.Permian 

Millerina see Milleretta U.Permian 

M. rubidgei see Milleretta rubidgei U.Permian 

Millerinoides M.Permian 

M. acutirostris M.Permian 

Milleropsis U.Permian 

Millerosaurus 5 cm 20 cm U.Permian 

M. nuffieldi U.Permian 

M. ornatus U.Permian 

M. pricei 3 cm? U.Permian 

Milosaurus U.Pennsylvanian 

M. mccordi U.Pennsylvanian 

Mimeosaurus U.Cretaceous 

M. cf. Tugrikinensis U.Cretaceous

M. crassus 2.5 cm Campanian 

M. tugrikinensis see Mimeosaurus crassus Campanian 

Mimobecklesiosaurus possibly Mimobecklesisaurus U.Jurassic 

Mimobecklesisaurus U.Jurassic 

Mimosaurus U.Cretaceous 

Minicrania L.Devonian 

M. lirouyii Lochovian 

Mixosaurus 2 m M.Triassic 

M. atavus 8 m? M.Triassic 

M. cornalianus 27 cm 1 m M.Triassic 

M. carnalius 2 m M.Triassic 

M. kuhnschnyderi M.Triassic 

M. longirostris see Grippia longirostris L.Triassic 

M. maotiensis(maotaiensis) see Mixosaurus cornalianus M.Triassic 

M. natans see Phalarodon nordenskioeldii 

M. nordenskioeldii see Phalarodon nordenskioeldii 

M. nordenskjoldi see Phalarodon nordenskioeldii 

M. sp. L.Triassic 

M. sp. M.Triassic 

Moanasaurus 78 cm 12.3 m? U.Cretaceous 

M. mangahouangae 78 cm 12 m? Campanian-Maastrichtian 

Mollesaurus M.Jurassic 

M. periallus Bajocian 

Mongolochamops U.Cretaceous 

M. reshetovi U.Cretaceous 

Monjurosaurus L.Cretaceous 

Monjurosuchus U.Jurassic-L.Cretaceous 

M. orientalis Tithonian 

M. splendens 30 cm U.Jurassic-L.Cretaceous 

Moradisaurus U.Permian 

M. grandis U.Permian 

Moradosaurus probably Moradisaurus U.Permian 

M. grandis probably Moradisaurus grandis 

Morenosaurus 8.6 m U.Cretaceous 

M. stocki 8.6 m Maastrichtian 

Morturneria 40 cm 6.2 m U.Cretaceous 

M. seymourensis see Aristonectes parvidens Maastrichtian 

Morunasius U.Cretaceous 

M. modestus U.Cretaceous 

Mosaesaurus see Mosasaurus 

Mosasaurus 122 cm 18 m? U.Cretaceous 

M. bavaricus 

M. beaugei Campanian 

M. camperi U.Cretaceous 

M. cf. Anceps Campanian-Maastrichtian 

M. cf. Missouriensis 

M. conodon 9.2 m Maastrichtian 

M. conybeari 1.2 m 9.6 m? Maastrichtian 

M. copeanus see Plioplatecarpus depressus 

M. crassidens 

M. dekayi Maastrichtian

M. donicus nomen dubium Campanian 

M. flemingi see Moanasaurus Campanian-Maastrichtian 

M. fulciatus U.Cretaceous 

M. giganteus 12.3 m U.Cretaceous 

M. gracilis 

M. hobetsuensis Maastrichtian 

M. hoffmani(hofmann) 1.6 m 12 m? Maastrichtian 

M. h. ivoensis see Tylosaurus ivoensis 

M. horridus see Mosasaurus missouriensis 

M. iembeensis Turonian 

M. ivoensis see Tylosaurus ivoensis U.Cretaceous 

M. laticauda see Plioplatecarpus depressus 

M. lemonnieri possibly Mosasaurus conodon 

M. mangahouangae U.Cretaceous 

M. maximiliani see Pterycollosaurusu maximiliani 

M. maximus possibly M. hoffmani Maastrichtian 

M. minor Maastrichtian 

M. missouriensis 1 m 7.7 m U.Cretaceous 

M. mitchilli U.Cretaceous 

M. mokoroa 71 cm 5.6 m Maastrichtian 

M. nigeriensis see Goronyosaurus nigeriensis 

M. n.sp. 

M. oarthrus U.Cretaceous 

M. poultney 

M. scanicus see Plioplatecarpus scanicus 

M. sp. U.Cretaceous 

M. tenuidens possibly a misplacement of Mesosaurus tenuidens 

M. validus U.Cretaceous 

Mososaurus see Mosasaurus 

Muraenosaurus 40 cm 6.5 m M-U.Jurassic 

M. beloclis 2.6 m Callovian 

M. brevior 

M. dubriviensis possibly Muraenosaurus durobrivensis 

M. dubroviensis possibly Muraenosaurus durobrivensis 

M. durobrivensis 

M. elasmosauroides indeterminate material Tithonian 

M. kamensis indeterminate material Tithonian 

M. leedsi(leedsii) 6.5 m Callovian 

M. platyclis 

M. platymerus see Cryptoclidus eurymerus 

M. plicatus 

M. purbecki indeterminate material Tithonian 

M. reedii Jurassic 

M. sp. Oxfordian 

M. truncatus 

Muroenosaurus see Muraenosaurus 

M. reedii see Muraenosaurus reedii 

Mycterosaurus 60 cm L.Permian 

M. longiceps L.Permian 

M. smithae L.Permian 

Myobradypterygius see Platypterygius U.Jurassic

Myocephalus L-M.Triassic 

M. crassidens L-M.Triassic 

Myognathus L.Triassic 

Myopterygius see Platypterygius Cretaceous 

M. kiprijanoffi see Platypterygius kiprijanoffi 

M. petersoni Cretaceous 

Mystriosuchus 3.7 m U.Triassic 

M. planirostris 80 cm? Norian 

M. plieningeri see Mystriosuchus westphali 

M. rutimeyeri see Rutiodon rutimeyeri Rhaetian 

M. sp. 

M. westphali 115 cm? Norian 

Nanchangasaurus see Nanchangosaurus 

Nanchangosaurus 1 m M.Triassic 

N. suni Ladinian 

Nannopterygius U.Jurassic 

N. enthekiodon Kimmeridgian 

Nanomilleretta U.Permian 

N. kitchingi 1.5 cm? U.Permian 

Nanoparia U.Permian 

N. luckhoffi U.Permian 

N. pricei 12 cm U.Permian 

Naocephalus M.Eocene 

N. porrectus nomen dubium Bridgerian 

Naosaurus see Edaphosaurus L.Permian 

N. claviger see Edaphosaurus pogonias Leonardian 

N. credneri see Edaphosaurus credneri 

N. cruciger see Edaphosaurus cruciger 

N. microdus see Edaphosaurus microdus 

N. mirabilis see Edaphosaurus mirabilis 

N. raymondi see Edaphosaurus raymondi 

Naransaurus 

N. chulsanensis see Macrocephalosaurus chulsanensis 

Necrodasypus see Placosaurus 

N. galliae see Placosaurus galliae 

Necrosaurus 7 cm? U.Paleocene-L.Oligocene 

N. cayluxi U.Eocene-L.Oligocene 

N. eucarinatus Lutetian 

N. giganteus see Necrosaurus eucarinatus 

N. sp. U.Paleocene-L.Oligocene 

Necrosdasypus probably Necrodasypus, see Placosaurus 

Nectoportheus see Mosasaurus U.Cretaceous 

N. validus U.Cretaceous 

Nectosaurus U.Triassic 

N. halius U.Triassic 

Negevodus a Temnospondyl, see Amphibia Index 

N. ramonensis Triassic 

Neoaetosauroides 1.5 m? U.Triassic 

N. engaeus(engaens) 18 cm 1 m Norian-Rhaetian 

Neopliosaurus U.Cretaceous 

N. no species cited indeterminate material Senonian

Neoprocolophon L.Triassic 

N. asiaticus 6 cm? Olenekian 

Neosaurus L.Permian 

N. cynodus 1 m? Autunian 

Neusticosaurus 30 cm M-U.Triassic 

N. cf. Pusillus 

N. edwardsi(edwardsii) 35 cm? 1.2 m Ladinian 

N. peyeri 55 cm Ladinian 

N. pusillus 52 cm Ladinian-Carnian 

N. pygmaeus see Neusticosaurus pusillus 

N. sp. Ladinian 

N. staubi 58 cm Anisian-Ladinian 

N. toeplitschi 17 cm? Ladinian 

Nicrosaurus 4.9 m? U.Triassic 

N. buceros Norian 

N. dumblianus see Palaeoctonus dumblianus U.Triassic 

N. ganei U.Triassic 

N. gregorii(gregoryi) probably Machaeroprosopus gregorii 

N. kapffi(kaptfi) see Mystriosuchus westphali Norian 

N. maleriensis U.Triassic 

N. meyeri see Mystriosuchus westphali Norian 

N. orthodon see Palaeoctonus orthodon U.Triassic 

N. sp. Norian 

N. superciliosus U.Triassic 

N. validus U.Triassic 

Nicteroleter see Nycteroleter 

Nitosaurus L.Permian 

N. jacksonorum L.Permian 

Nochelesaurus see Embrithosaurus M.Permian 

N. alexandri see Embrithosaurus alexandri M.Permian 

N. strubeni see Bradysaurus strubeni M.Permian 

Nordenosaurus U.Miocene 

N. magnus a crocodile U.Miocene 

Noteosaurus see Mesosaurus L.Permian 

N. africanus see Mesosaurus tenuidens L.Permian 

Noteosuchus U.Permian 

N. colletti U.Permian 

Nothosaurus 3 m M-U.Triassic 

N. aduncidens see Simosaurus or Nothosaurus giganteus 

N. andriani see Nothosaurus giganteus Ladinian 

N. angustidens 

N. angustifrons see Nothosaurus giganteus 

N. baruthicus see Nothosaurus giganteus 

N. bergeri see Nothosaurus mirabilis 

N. blezingeri 

N. bronni Triassic 

N. cf. Friedericianus see Nothosaurus marchicus 

N. cf. Marchicus see Nothosaurus marchicus 

N. cf. Raabi see Nothosaurus marchicus 

N. chelydrops see Nothosaurus giganteus Carnian 

N. clavatus

N. crassus see Nothosaurus marchicus 

N. cuvieri nomen dubium 

N. cymatosauroides Ladinian 

N. edingerae 14 cm? 91 cm? Ladinian-Carnian 

N. giganteus(giganteurs) 75 cm 4.9 m? Anisian-Ladinian 

N. haasi 12.3 cm 80 cm? Anisian-Ladinian 

N. hecki 

N. jagisteus 

N. juvenilis 12.6 cm 82 cm? Anisian-Ladinian 

N. koenigi see Nothosaurus juvenilis 

N. latifrons see Cymatosaurus latifrons 

N. latifrous see Cymatosaurus latifrons 

N. latissimus see Germanosaurus latissimus 

N. marchicus 20 cm? 1.3 m? Anisian 

N. mirabilis(mirobilis) 46 cm 3 m Anisian-Ladinian 

N. mougeoti see Simosaurus mougeoti Anisian-Ladinian 

N. munsteri see Nothosaurus mirabilis 

N. oldenbergi see Nothosaurus marchicus 

N. parva see Nothosaurus marchicus 

N. picardi nomen dubium 

N. procerus see Nothosaurus marchicus Anisian 

N. p. var. parva see Nothosaurus marchicus 

N. raabi see Nothosaurus marchicus Anisian 

N. schimperi nomen dubium 

N. schroederi see Nothosaurus marchicus 

N. sp. 122 cm Anisian 

N. sp. see Nothosaurus tchernovi Anisian-Ladinian 

N. strunzi see Pistosaurus longaevus 

N. tchernovi 28 cm 1.8 m? Anisian-Ladinian 

N. unexpectus Anisian 

N. venustus Anisian 

N. winterswijkensis 12.7 cm Anisian 

Notiosaurus see Megalania U.Pleistocene 

N. dentatus see Megalania prisca Rancholabrean 

Notosaurus see Mesosaurus 

Nucras Oligocene-Recent 

N. succinea see Succinilacerta succinea Eocene-Holocene 

N. tessellata see Nucras succinea 

Nyasasaurus 

Nyasaurus see Nyasasaurus 

Nycteroleter U.Permian 

N. bashkyricus Kazanian 

N. ineptus Kazanian-Tatarian 

N. kassini possibly not Nycteroleterid 

N. ultimus see Karpinskiosaurus ultimus, in Amphibia Index 

Nyctiboetus U.Permian 

Nyctiphruretes see Nyctiphruretus 

N. acudens see Nyctiphruretus acudens 

Nyctiphruretus 4.4 cm 36 cm U.Permian 

N. acudens 2.5 cm U.Permian 

N. optabilis U.Permian

Occitanosaurus 25 cm 4.1 m L.Jurassic 

N. tournemirensis 4.1 m Toarcian 

Ocoyuntaia L.Triassic 

O. arquata nomen dubium L.Triassic 

Odaxosaurus U.Cretaceous-L.Eocene 

cf. O. sp. Campanian 

O. cf. Piger Torrejonian 

O. obliquus see Odaxosaurus piger Maastrichtian 

O. piger Maastrichtian-Tiffanian 

O. sp. Maastrichtian-Wasatchian 

O. sp. Campanian 

O. sp. Puercan 

Odontomophis see Necrosaurus 

O. atavus see Necrosaurus cayluxi 

Odoxosaurus see Odaxosaurus U.Paleocene 

O. sp. Tiffanian 

Oedaleops 10 cm 50 cm L-U.Permian 

O. campi L-U.Permian 

Oedalepos see Oedaleops 

O. campi see Oedaleops 

Oedalops see Oedaleops 

Ogmodirus U.Cretaceous 

O. ischiadicus see Alzadasaurus kansasensis U.Cretaceous 

O. martinii U.Cretaceous 

Oligodontosaurus U.Paleocene 

cf. O. sp. Torrejonian 

O. wyomingensis U.Paleocene 

Oligolycus see Nothosaurus 

O. hecki 

Oligosimus U.Cretaceous 

Olindalacerta L.Cretaceous 

Omoiotyphlops U.Eocene-L.Oligocene 

O. edwardsi U.Eocene-L.Oligocene 

Omosaurus see Nicrosaurus U.Triassic 

Omphalosaurus 2.8 m M.Triassic 

O. cf. Nevadanus Ladinian 

O. nettarhynchus M.Triassic 

O. nevadanus M.Triassic 

O. nisseri M.Triassic 

O. wolfi see Omphalosaurus cf. nevadanus 

Opeosaurus see Simosaurus M.Triassic 

O. suevicus see Simosaurus or Nothosaurus giganteus 

Opetiosaurus see Aigialosaurus bucchichi 

O. bucchichi 18 cm 1.8 m M.Cretaceous 

Ophiacodon 28 cm 3.7 m 205 kg U.Pennsylvanian-L.Permian 

O. cf. Uniformis L.Permian 

O. grandis see Eryops grandis, in Amphibia Index 

O. hilli L.Permian 

O. major 3 m? Leonardian 

O. mirus 30 cm? 1.6 m L.Permian 

O. navajovicus L.Permian

O. retroversus 45 cm? 45 cm? 2.2 m Wolfcampian 

O. sp. L.Permian 

O. triangulata L.Permian 

O. uniformis 27 cm? 70 cm? L.Permian 

O. watsoni Wolfcampian 

Ophiodeirus see Araeoscelis L.Permian 

O. casei see Araeoscelis casei Wolfcampian 

Ophiomorphus 

Ophipseudopus M.Eocene 

O. gracilis 1 cm? Lutetian 

Ophisauriscus M.Eocene 

aff. O. eucarinatus see Necrosaurus eucarinatus 

O. quadrupes 1 cm? 14 cm? Lutetian 

Ophisaurus Eocene-Recent 

O. acuminatus 25 cm? Pontian 

O. attenuatus living Slender Glass Lizard U.Pliocene-Recent 

O. bibronianus nomen dubium U.Miocene 

O. canadensis U.Miocene 

O. cf. Sp. Vindobonian 

O. compressus living Island Glass Lizard Irvingtonian-Recent 

O. fejfari Agenian 

O. hallensis see Ophisauriscus quadrupes Lutetian 

O. harti see Dopasia harti 

O. intermedius see Ophisaurus pannonicus 

O. koellikeri U.Blancan 

O. laurillardi nomen dubium U.Miocene 

O. moguntinus 1.4 m? U.Oligocene-U.Miocene 

O. novorossicus see Ophisaurus pannonicus 

O. pannonicus 10 cm? 2 m? U.Miocene-Pleistocene 

O. picteti 42 cm? U.Eocene 

O. roqueprunensis L.Oligocene 

O. rugosus nomen dubium M.Oligocene 

O. sp. U.Eocene-U.Pleistocene 

O. sp. Aquitanian-Burdigalian 

O. sp. Barstovian 

O. spinari Agenian 

O. ulmensis see Ophisaurus moguntinus 

O. ventralis living Eastern Glass Lizard Barstovian-Recent 

O. voigti see Ophisaurus hallensis Lutetian 

Ophisthias see Opisthias U.Jurassic 

Ophthalmosaurus 1 m 4.9 m? U.Jurassic 

O. cantabrigiensis L.Cretaceous 

O. discus Oxfordian 

O. icenicus 1 m 4 m M-U.Jurassic 

O. monocharactus see Ophthalmosaurus sp. Tithonian 

O. natans see Baptanodon natans U.Jurassic 

O. sp. Tithonian 

O. sp. Jurassic 

O. sp. M-U.Jurassic 

O. undorensis Kimmeridgian 

Opisthias U.Jurassic

O. rarus 3 cm? Tithonian 

O. sp. Purbeckian 

Oplurus U.Pleistocene-Recent 

O. sp. Rancholabrean 

Orenburgia L-M.Triassic 

O. bruma see Orenburgia enigmatica Olenekian 

O. concinna 

O. enigmatica 4.5 cm Olenekian 

O. majmesculae see Kapes majmesculae 

Oreosaurus pre-occupied, see Xestops 

O. gracilis see Xestops gracilis 

O. lentus see Xestops lentus 

O. microdus see Xestops microdus 

O. minutus see Xestops minutus 

O. vagans see Xestops vagans 

Ornithosuchus 25 cm 4 m? 50 kg U.Triassic 

O. longidens 3.3 m Carnian 

O. rusconii 

O. stormbergi U.Triassic 

O. taylori see Ornithosuchus longidens Carnian 

O. woodwardi see Ornithosuchus longidens Carnian 

Oronosaurus 1.5 m 12.3 m? U.Cretaceous 

Orophosaurus U.Cretaceous 

Ostodolepis Permian 

O. brevispinatus Permian 

Oterognathus see Plioplatecarpus 

O. houzeaui see Plioplatecarpus houzeaui 

Otischalkia U.Triassic 

O. elderae 

Ototriton Lestophis L.Eocene 

O. anceps see Lestophis anceps Wasatchian 

O. minor see Jepsibaena minor Wasatchian 

O. solidus 3.2 cm 77 cm? Wasatchian 

Otschevia U.Jurassic 

O. alekseevi U.Jurassic 

O. pseudoscythica Tithonian 

O. zhuravlevi Tithonian 

Owenetta 3.5 cm 41 cm U.Permian-L.Triassic 

O. kitchingorum 2.5 cm? 29 cm? L.Triassic 

O. rubidgei 3.5 cm 41 cm U.Permian 

O. sp. U.Permian 

Oxia L.Cretaceous 

O. karakalpakiensis Albian-Coniacian 

Oxyodon see Sphenacodon L.Permian 

O. britannicus see Sphenacodon britannicus 

Pachastrophaeus see Pachystropheus 

Pachycostasaurus 64 cm? 2.8 m U.Jurassic 

P. dawni 2.8 m Callovian 

Pachygenys L.Cretaceous 

P. thlastesa Barremian 

Pachygonosaurus M.Triassic

Pachypleura see Pachypleurosaurus 

P. edwardsii see Neusticosaurus edwardsii 

P. pusillus see Neusticosaurus pusillus 

Pachypleurosaurus 122 cm M.Triassic 

P. cf. Staubi see Neusticosaurus pusillus 

P. edwardsi(edwardsii) see Neusticosaurus pusillus Anisian-Ladinian 

P. staubi see Neusticosaurus staubi M.Triassic 

Pachystropheus U.Triassic 

P. rhaeticus Rhaetian 

Pachysuchus L.Jurassic 

P. imperfectus indeterminate material Hettangian 

Pachyvanarus probably Pachyvaranus 

Pachyvaranus U.Cretaceous 

Paikasisaurus L-M.Jurassic 

P. indicus L-M.Jurassic 

Palacagama see Palaeagama 

P. vielhaueri see Palaeagama vielhaueri 

Palacrodon L.Triassic 

P. browni L.Triassic 

Palaeagama 15 cm? U.Permian-L.Triassic 

P. vielhaueri 2.7 cm 12 cm? L.Triassic 

Palaeoboa see Lestophis Eocene 

Palaeochamaleo see Weigeltisaurus 

P. europaeus see Uromastyx europaeus U.Eocene-L.Oligocene 

P. jaekeli see Weigeltisaurus jaekeli 

Palaeoctonus see Rutiodon U.Triassic 

P. appalachianus Carnian 

P. aulacodus U.Triassic 

P. dumblianus 

P. dumblinus U.Triassic 

P. orthodon U.Triassic 

Palaeohatteria see Haptodus L.Permian 

P. longicaudata see Haptodus longicaudata L.Permian 

Palaeolacerta U.Jurassic 

P. bavarica(bavariscus) 6 cm? U.Jurassic 

Palaeonornis see Rutiodon 

Palaeopleurosaurus 5 cm 60 cm L.Jurassic 

P. posidonae L.Jurassic 

Palaeosaniwa 2.8 m U.Cretaceous 

cf. P. canadensis Maastrichtian-Torrejonian 

P. canadensis Campanian-Eocene 

P. obtusus Maastrichtian 

P. wyomingensis Maastrichtian 

Palaeosauriscus see Palaeosaurus U.Triassic 

Palaeosaurus see Necrosaurus 

P. cayluxi see Necrosaurus cayluxi 

P. fraserianus Carnian 

P. sternbergi(sternbergii) see Sphenosaurus sternbergi, in Amphibia Index 

Palaeoscincosaurus L.Paleocene 

P. middletoni Puercan 

Palaeosphenodon see Haptodus

P. longicaudatus see Haptodus baylei 

Palaeovaranus see Necrosaurus 

P. cayluxi see Necrosaurus cayluxi & Varanus 

P. filholi see Necrosaurus cayluxi 

Palaeoxantusia M.Paleocene-L.Oligocene 

P. allisoni Uintan 

P. borealis Chadronian 

P. cf. Borealis Chadronian 

P. cf. Fera Torrejonian 

P. fera 1 cm? Torrejonian-Wasatchian 

P. kyrentos Uintan 

P. sp. Bridgerian 

P. sp. Chadronian 

Paleoboa see Lestophis M.Eocene 

P. crassa see Lestophis crassus Bridgerian 

Paleopleurosaurus see Palaeopleurosaurus 

Paleorhinus 80 cm 4 m L-U.Triassic 

P. angustifrons U.Triassic 

P. bransoni Carnian 

P. broili(broilii) U.Triassic 

P. ehlersi 80 cm 2.5 m U.Triassic 

P. fraasi Scythian-Ladinian 

P. hislopi Tuvalian 

P. latus U.Triassic 

P. magnoculus see Arganarhinus U.Triassic 

P. neukami U.Triassic 

P. parvus U.Triassic 

P. sawini U.Triassic 

P. scurriensis 60 cm 2 m U.Triassic 

P. sp. U.Triassic 

P. trauthi U.Triassic 

Paleothyris 3 cm 25 cm M.Pennsylvanian 

P. acadiana M.Pennsylvanian 

Paleoxantusia see Palaeoxantusia M.Paleocene-L.Oligocene 

P. sp. U.Oligocene 

Paliguana 2.8 cm 30 cm U.Permian-L.Triassic 

P. whitei 2.8 cm 30 cm L.Triassic 

Pallaeohatteria probably Palaeohatteria, see Haptodus 

P. longicaudata see Haptodus baylei 

Pallisteria M.Triassic 

Pamizinsaurus M.Cretaceous 

P. tlayuaensis 1 cm? 5 cm? Albian 

Pancelosaurus U.Cretaceous 

P. pawneensis see Parophisaurus pawneensis 

P. piger see Proxestops silberlingii Campanian 

P. sp. Maastrichtian 

Pantelosaurus see Haptodus L.Permian 

P. longicaudata see Haptodus 

P. saxonicus see Haptodus saxonicus L.Permian 

Pantosaurus U.Jurassic 

P. striatus U.Jurassic

Paoteodon U.Triassic 

P. huanghoensis U.Triassic 

Papresto 

Parabradysaurus see Scutosaurus 

P. dubius nomen nudum 

P. silantjevi 

P. udmurticus M.Permian 

Paracaptorhinius see Paracaptorhinus 

Paracaptorhinus L.Permian 

P. neglectus 10 cm? L.Permian 

Paracontogenys U.Eocene 

P. estesi U.Eocene 

Paradapedon 20 cm 1.5 m U.Triassic 

P. huxleyi 30 cm 46 cm 1.5 m U.Triassic 

P. indicus see Parasuchus huxleyi? M.Triassic 

Paraderma U.Cretaceous 

P. bogerti Campanian-Maastrichtian 

Paraderms probably Paraderma U.Cretaceous 

P. sp. Maastrichtian 

Paradipsosaurus U.Eocene-L.Oligocene 

P. mexicanus 2.7 cm U.Eocene-L.Oligocene 

Paragerrhonotus L.Pliocene 

cf. P. ricardensis M.Miocene 

P. ricardensis Clarendonian 

Paraglyphanodon U.Cretaceous 

P. gazini Maastrichtian 

P. utahensis Maastrichtian 

Paraglyptosaurus 12.5 cm L-M.Eocene 

cf. P. hillsi 

cf. P. princeps Wasatchian 

P. cf. Hillsi Bridgerian 

P. cf. Yatkolai Wasatchian 

P. hillsi Bridgerian 

P. princeps see Glyptosaurus sylvestris Wasatchian 

P. sp. Wasatchian 

P. yatkolai Wasatchian 

Paramacellodus 1 cm? U.Jurassic 

cf. P. keebleri Aptian-Albian 

P. oweni Tithonian 

P. sp. Tithonian 

P. sp. Cf. Oweni Kimmeridgian 

Parameiva U.Cretaceous 

P. oculea U.Cretaceous 

Paranothosaurus 4 m M.Triassic 

P. amsleri see Nothosaurus giganteus 

Paranotinosaurus probably Paranothosaurus, see Nothosaurus 

Paranthosaurus see Paranothosaurus M.Triassic 

Paraophthalmosaurus U.Jurassic 

P. saratoviensis see Paraophthalmosaurus sp.? Tithonian 

P. saveljeviensis Tithonian 

P. sp.? Tithonian

P. yasykovi Tithonian 

Paraphrynosoma L.Oligocene 

P. greeni Orellan 

Paraplacodus M.Triassic 

P. broilii(broili) Anisian-Ladinian 

Paraprionosaurus Paleocene-M.Eocene 

P. silberlingii see Proxestops silberlingi Paleocene 

P. wyomingensis Bridgerian 

Parapseudopus M.Eocene 

P. hallensis see Ophisaurus hallensis Lutetian 

P. minor see Ophisaurus hallensis Lutetian 

Parasaniwa U.Cretaceous-M.Eocene 

P. obtusa see Parasaniwa wyomingensis Maastrichtian 

P. sp. Maastrichtian-Bridgerian 

P. wyomingensis Campanian-Maastrichtian 

Parasauromalus L-M.Eocene 

aff. P. paleocenicus see Plesiolacerta paleocenica 

P. olseni 4.5 cm Wasatchian-Uintan 

Parasaurus U.Permian 

P. geinitzi Capitanian 

P. striatus see Pantosaurus striatus 

Parasuchus 3 m U.Triassic 

P. hislopi M.Triassic 

P. huxleyi 

Paratypothorax U.Triassic 

P. andressorum(andressi) Carnian-Rhaetian 

P. ornatus Carnian 

P. sp. Triassic 

Parauromastyx U.Cretaceous 

P. gilmorei U.Cretaceous 

Paravaranus U.Cretaceous 

P. angustifrons 2.7 cm Campanian 

Paraxestops U.Eocene 

P. stehlini U.Eocene 

Pareiasauroides U.Permian 

P. henneni U.Permian 

Pareiasaurus 2.5 m U.Permian 

P. acutirostris see Koalemasaurus acutirostris 

P. americanus U.Permian 

P. baini see Bradysaurus baini 

P. bombidens see Bradysaurus bombidens 

P. elegans see Scutosaurus karpinskii Tatarian 

P. henneni see Pareiasauroides henneni 

P. horridus see Scutosaurus karpinskii Tatarian 

P. karpinskii(karpinsky) see Scutosaurus karpinskii Tatarian 

P. nasicornis 50 cm U.Permian 

P. omocratus U.Permian 

P. parvus U.Permian 

P. peringueyi U.Permian 

P. pinnatus U.Permian 

P. pulcher U.Permian

P. rubidgei 50 cm U.Permian 

P. russouwi U.Permian 

P. serridens(serrideus) 40 cm? U.Permian 

P. sp. U.Permian 

P. strubeni see Nochelesaurus strubeni? U.Permian 

P. tuberculatus see Scutosaurus karpinskii Tatarian 

P. vjatkensis see Deltavjatia vjatkensis 

Pareiasuchus see Pareiasaurus U.Permian 

P. elegans see Scutosaurus karpinskii 

P. horridus see Scutosaurus karpinskii 

P. nasicornis see Pareiasaurus nasicornis U.Permian 

P. peringueyi see Pareiasaurus peringueyi U.Permian 

P. tuberculatus see Scutosaurus karpinskii 

P. vjatkensis see Deltavjatia vjatkensis 

Pareiosaurus see Pareiasaurus 

P. elegans see Scutosaurus karpinskii 

P. horridus see Scutosaurus karpinskii 

P. karpinskii see Scutosaurus karpinskii 

P. tuberculatus see Scutosaurus karpinskii 

Pareisaurus see Pareiasaurus 

P. baini see Pareiasaurus baini 

Pareodura U.Pleistocene-Recent 

P. sp. Rancholabrean 

Pariasaurus see Pareiasaurus 

Pariotichus see Captorhinus L.Permian 

P. aduncus see Captorhinus aguti Leonardian 

P. aguti see Captorhinus aguti 

P. angusticeps see Captorhinus aguti 

P. brachyops(brachiops) Wolfcampian 

P. incisivus see Captorhinus aguti 

P. isolemus(isolomus) see Captorhinus aguti Leonardian 

P. laticeps see Captorhinus aguti 

P. sp. Wolfcampian 

Parodaxosaurus M.Paleocene 

P. sanjuanensis Torrejonian 

Parophisaurus M.Oligocene 

P. pawneensis Chadronian-Orellan 

Parringtonia M.Triassic 

P. gracilis Anisian 

Partanosaurus see Parthanosaurus M.Triassic 

P. zitteli see Simosaurus cf. Gaillardoti 

Parthanosaurus see Simosaurus M.Triassic 

P. zitteli see Simosaurus cf. Gaillardoti 

Parviderma U.Cretaceous 

P. inexacta 5 cm Campanian 

Parvinatator L-M.Triassic 

P. wapitiensis

Pectenosaurus see Tanystropheus 

Pelecymala U.Triassic 

P. robustus Rhaetian 

Peloneustes 58 cm 4.3 m U.Jurassic 

P. evansi Oxfordian 

P. irgisensis see Strongylokrotaphus irgisensis 

P. philarchus 58 cm 4.3 m Callovian 

Peltosaurus U.Cretaceous-L.Miocene 

cf. P. sp. Arikareean 

P. abbotti 4.5 cm M-U.Oligocene 

P. floridanus see Peltosaurus granulosus 

P. granulosus 4.8 cm 60 cm? Orellan 

P. jepseni see Proxestops silberlingii Tiffanian 

P. macrodon see Glyptosaurus macrodon 

P. minimus see Eumeces minimus Arikareean 

P. piger see Odaxosaurus piger Maastrichtian 

P. sp. U.Oligocene-L.Miocene 

P. sp. Torrejonian 

P. sp. Oligocene 

P. sp. Orellan 

P. sp. Wasatchian-Oligocene 

P. sp. Chadronian 

Peneteius U.Cretaceous 

P. aquilonius Campanian-Maastrichtian 

P. sp. U.Cretaceous 

Pentaedrusaurus L.Triassic 

P. ordosianus L.Triassic 

Pentatarsostinus see Plesiosaurus 

Perparvus U.Triassic 

Pessopteryx see Omphalosaurus 

P. arctica indeterminate material Spathian 

P. minor see Isfjordosaurus minor Spathian 

P. nisseri M.Triassic 

P. pinguis indeterminate material Spathian 

Pessosaurus M.Triassic 

P. polaris questionable validity M.Triassic 

Petrobates see Amphibia Index L.Permian 

Petrolacosaurus 1.8 cm 41 cm? U.Pennsylvanian 

P. kansensis(kansansis) 1.8 cm 20 cm Stephanian 

Petrophryne Triassic 

P. granulata Triassic 

Peurcosaurus L.Permian 

Peyerus see Leptocleidus L.Cretaceous 

P. capensis 28 cm 2.8 m L.Cretaceous 

Phaanthosaurus L.Triassic 

P. ignatjevi 1.5 cm? Induan 

Phalarodon M.Triassic 

P. fraasi see P. nordenskioeldii M.Triassic 

P. nordenskioeldii 1.5 m Triassic 

Phanerosaurus see Amphibia Index 

Phelsuma U.Pleistocene-Recent

P. cepediana 10 cm? Holocene 

P. cf. Guentheri Holocene 

P. gigas 33 cm? Holocene 

P. newtoni see Phelsuma gigas 

P. sp. U.Pleistocene 

Phigosaurus Triassic 

Phocosaurus see Therapsid Index 

Phosphorosaurus U.Cretaceous 

P. ortliebi see Halisaurus ortliebi? 

Phreatophasma U.Permian 

P. aenigmaticum Kazanian 

Phrynosoma M.Miocene-Pleistocene 

cf. P. douglassi Irvingtonian 

P. adinognathus L.Pleistocene 

P. anzaense Blancan-Irvingtonian 

P. cf. Douglassi M.Miocene 

P. cornutum living Texas Horned Lizard U.Pliocene-Recent 

P. coronatum living Coast Horned Lizard Rancholabrean-Recent 

P. douglassi living Short-horned Lizard Rancholabrean-Recent 

P. greeni see Paraphrynosoma greeni Orellan 

P. holmani U.Pliocene 

P. josecitensis Pleistocene 

P. modestum living Roundtail Horned Lizard Rancholabrean-Recent 

P. orbiculare Pleistocene 

P. platyrhinos living Desert Horned Lizard Rancholabrean-Recent 

P. sp. Pleistocene 

P. sp. Blancan-Irvingtonian 

P. sp. Hemphillian 

P. sp. U.Miocene 

Phrynosomimus U.Cretaceous 

P. asper U.Cretaceous 

Phygosaurus 76 cm M.Triassic 

P. perledicus see Serpianosaurus mirigiolensis 

Phyllodactylus M.Miocene-Recent 

cf. P. sp. M.Miocene 

Physignathus M.Miocene-Recent 

P. leseurii 

Phytosaurus see Nicrosaurus, Rutiodon & Palaeoctonus 

P. buceros U.Triassic 

P. cylindricon nomen dubium U.Triassic 

P. doughtyi see Rutiodon doughtyi U.Triassic 

P. dumblianus see Palaeoctonus dumblianus 

P. kapfi(kapffi) see Mystriosuchus westphali U.Triassic 

P. megalodon possibly Angistorhinus U.Triassic 

P. orthodon see Palaeoctonus orthodon 

P. plieningeri see Mystriosuchus westphali 

P. scolopax U.Triassic 

Picrocleidus see Muraenosaurus U.Jurassic 

P. beloclis see Muraenosaurus beloclis 

Piocormus see Sapheosaurus U.Jurassic-L.Cretaceous 

P. laticeps 3 cm? U.Jurassic

Piptomerus U.Cretaceous 

P. hexagonus U.Cretaceous 

P. megaloporus U.Cretaceous 

P. microporus U.Cretaceous 

Piramicephalosaurus U.Cretaceous 

P. cherminicus U.Cretaceous 

Piratosaurus U.Cretaceous 

Piscosaurus see Elasmosaurus 

P. carinatus see Elasmosaurus platyurus 

Pistosaurus 20 cm 4 m M.Triassic 

P. grandaevus see Pistosaurus longaevus Ladinian 

P. longaevus Anisian 

P. typus see Pistosaurus longaevus 

Placochelyanus see Placochelys U.Triassic 

P. malanchinii see Psephoderma alpinum 

P. stoppanii see Psephoderma alpinum 

Placochelys 15 cm 1 m U.Triassic 

P. af. Boni see Psephoderma alpinum 

P. alpissordidae(alpis-sor-disee Psephoderma alpinum U.Triassic 

P. malanchinii see Psephoderma alpinum U.Triassic 

P. placodonta 14 cm? 80 cm? Carnian 

P. stoppanii see Psephoderma alpinum U.Triassic 

P. zittelli see Psephoderma alpinum U.Triassic 

Placodus 25 cm 3 m? L-M.Triassic 

P. aethiopi see Placodus gigas 

P. aethiops see Placodus gigas 

P. andriani see Placodus gigas M.Triassic 

P. angustus see Placodus gigas 

P. antiquior see Placodus gigas 

P. bathygnathus see Placodus gigas 

P. bombidens see Placodus gigas 

P. duplicatus see Tholodus 

P. gigas 21.6 cm 2.5 m Anisian-Ladinian 

P. gracilis indeterminate material 

P. hypsicephalus see Placodus gigas 

P. hypsiceps see Placodus gigas 

P. impressus see Placodus gigas 

P. laticeps see Cyamodus muensteri 

P. munsteri see Cyamodus muensteri 

P. pachygnathus see Placodus gigas 

P. quinimolaris see Placodus gigas 

P. rostratus see Cyamodus rostratus 

P. rugosus see Placodus gigas 

P. sp. L.Jurassic? 

P. strunzi see Placodus gigas 

P. zitteli see Psephoderma alpinum 

Placosauriops M.Eocene 

P. abderhaldeni 16 cm M.Eocene 

P. weigelti 20 cm? M.Eocene 

Placosauroides probably Placosauriops M.Eocene 

P. abderhaldeni probably Placosauriops abderhaldeni

Placosaurus M.Eocene-L.Oligocene 

P. cayluxi nomen dubium U.Eocene 

P. europaeus 7 cm U.Eocene 

P. galliae nomen dubium U.Eocene 

P. gaudryi nomen dubium U.Eocene 

P. leenhardti see Placosaurus quercyi 

P. margariticeps U.Eocene 

P. mongoliensis M-U.Eocene 

P. quercyi 6 cm? U.Eocene 

P. rugosus U.Eocene 

P. sp. U.Eocene 

P. waltheri nomen dubium Lutetian 

Placotherium see Placosaurus M.Eocene 

P. waltheri see Placosaurus waltheri Lutetian 

Planocephalosaurus 3.4 cm 20 cm U.Triassic 

P. robinsonae 18 mm 15 cm Rhaetian 

P. sp. 

Platecarpus 70 cm 5.8 m M-U.Cretaceous 

P. abruptus see Platecarpus coryphaeus Maastrichtian 

P. af. Somenensis 

P. anguligerus(anguiliferus) U.Cretaceous 

P. bocagei Turonian 

P. cf. Somenensis 

P. clidastoides see Ectenosaurus clidastoides 

P. coryphaeus 60 cm 5.8 m Santonian 

P. curtirostris U.Cretaceous 

P. glandiferus U.Cretaceous 

P. ictericus Santonian 

P. intermedius nomen dubium 

P. latispinus U.Cretaceous 

P. mudgei U.Cretaceous 

P. planifrons Santonian 

P. ptychodon Maastrichtian 

P. somenensis see P. tympaniticus or Plioplatecarpus somenensis 

P. sp. U.Cretaceous 

P. sp. Campanian 

P. tectulus U.Cretaceous 

P. tympaniticus 6.2 m Santonian 

Platydactylus see Gekko 

P. minutus see Gekko minutus 

Platyoropha see Bradysaurus M.Permian 

P. broomi see Bradysaurus broomi 

Platyorpha probably Platyoropha, see Brachypareia 

P. broomi see Brachypareia watsoni 

Platypterygius 7 m L-U.Cretaceous 

P. americanus 7 m U.Cretaceous 

P. australis 131 cm 7 m L-U.Cretaceous 

P. bannovkensis Cenomanian 

P. bedengensis Hauterivian 

P. birjukovi Hauterivian 

P. compylodon L-U.Cretaceous

P. hauthali 

P. hercynicus see Ichthyosaurus hercynicus 

P. kiprijanoffi 82 cm? Albian-Cenomanian 

P. longmani 7 m Albian 

P. platydactylus 

P. steleodon Hauterivian-Barremian 

Platyrhachis see Rhineura 

P. coloradensis see Rhineura coloradensis Orellan 

P. rhambastes see Cremastosaurus carinicollis 

P. unipedalis see Cremastosaurus unipedalis 

Plesiolacerta U.Paleocene-L.Oligocene 

P. lydekkeri Headonian 

P. paleocenica U.Paleocene 

Plesiopleurodon 70 cm 2.85 m M.Cretaceous 

P. wellesi 70 cm 2.85 m Cenomanian 

Plesiorhineura M.Paleocene 

P. tsentasi Torrejonian 

Plesiosaurus 20 cm 4.9 m L.Jurassic 

P. affinis 

P. arcuatus see Eurycleidus arctuatus 

P. australis see Mauisaurus haasti(some material indeterminate) 

P. balticus see Cimoliasaurus? 

P. bavaricus 

P. bernardi see Cyrmocetus bernardi? Senonian 

P. bitractensis 

P. bomalospondylus see Plesiosaurus homalospondylus 

P. brachistospondylus 

P. brachycephalus see Plesiosaurus macrocephalus 

P. brachypterygins see Plesiosaurus brachypterygius 

P. brachypterygius see Plesiosaurus guilelmiimperatoris? 

P. brevis 

P. capensis 

P. carinatus 

P. cf. Guilelmiimperatoris 

P. chilensis 

P. cliduchus see Thalassiodracon hawkinsi 

P. compressus 

P. constrictus 

P. conybeari 4.9 m L.Jurassic 

P. conybeare see Attenborosaurus conybeare 

P. costatus 

P. cramptoni see Rhomaleosaurus cramptoni 

P. crassicostatus indeterminate material Maastrichtian 

P. cycnodeirus 

P. depressicostatus 

P. depressus 

P. dibothricus 

P. doedicomus non-pleiosauran 

P. dolichodeirum see Plesiosaurus dolichodeirus 

P. dolichodeirus 21 cm 3.5 m Sinemurian 

P. dolichodirus see Plesiosaurus dolichodeirus

P. eleutheraxon indeterminate material, but probably Thalassiodracon hawkin 

P. ellipsospondylus 

P. erraticus 

P. etheridgii see Thalassiodracon hawkinsi 

P. eurymerus see Cryptoclidus eurymerus Callovian 

P. euryspondylus 

P. guilelmiimperatoris 3.4 m Toarcian 

P. gulo 

P. gurgitis 

P. hawkinsii(hawkinsi) see Thalassiodracon hawkinsi 

P. helmersenii indeterminate material Campanian 

P. hesternus U.Jurassic 

P. hexagonalis 

P. hexatarsostinus see Thalassiodracon hawkinsi 

P. holmesi indeterminate material Maastrichtian 

P. homalospondylus see Microcleidus 

P. homospondylus 

P. hoodi indeterminate material Maastrichtian 

P. houzeaui 

P. ichthyospondylus see Cimoliasaurus? 

P. indicus 

P. infraplanus 

P. latispinus 

P. leptopleuron 

P. levis 

L. lockwoodi see Taphrosaurus lockwoodii 

P. longirostris see Macroplata longirostris 

P. mackayi indeterminate material Maastrichtian 

P. macrocephalus 3.23 m Sinemurian 

P. macromus see Plesiosaurus dolichodeirus 

P. macropterus see Microcleidus L.Jurassic 

P. macrospondylus Cretaceous 

P. macrourus see Plesiosaurus dolichodeirus 

P. manselli 

P. mauritanicus Maastrichtian 

P. megacephalus see Eurycleidus megacephalus 

P. megapleuron 

P. megdeirus 

P. mexicanus 

P. microdeirus 

P. morinicinus 

P. neocomiensis 

P. nordmanni indeterminate material L.Cretaceous 

P. nothosauroides 

P. novomexicanus Cretaceous 

P. ophiodeirus 

P. oxoniensis see Cryptoclidus oxoniensis 

P. pachyomus 

P. pectopleuron 

P. pentagonus 

P. philarchus see Peloneustes philarchus

P. phillipsi 

P. planus 

P. p. trigonallis 

P. platydeirus 

P. plicatus 

P. poecilospondylus 

P. posiondoniae 

P. priscus see Plesiosaurus dolichodeirus 

P. propinquus see Rhomaleosaurus 

P. robustus 

P. rostratus see Archaeonectrus rostratus 

P. rugosus see Eretmosaurus rugosus 

P. simpsoni 

P. sp. Cretaceous 

P. sp. L.Jurassic 

P. speciosus see Nothosaurus mirabilis 

P. subconcavus 

P. subdepressus 

P. subplanus 

P. subtrigonus 

P. suevicus 

P. suprajurensis see Dakosaurus suprajurensis, in Crocodylia Index 

P. sutherlandi Cretaceous 

P. tournemirensis see Occitanosaurus tournemirensis 

P. traversi indeterminate material Maastrichtian 

P. triatarsostinus see Thalassiodracon hawkinsi 

P. trigonus 

P. tritarsostinus see Thalassiodracon hawkinsi 

P. trochanterius see Colymbosaurus trochanterius 

P. truncatus 

P. validus 

P. winspitensis 

P. zetlandicus see Rhomaleosaurus zetlandicus 

Plesiotylosaurus 1 m 10.15 m U.Cretaceous 

P. crassidens 91 cm 10.15 m Maastrichtian 

Plesiotyrannus possibly Plesiotylosaurus 

P. crassidens possibly Plesiotylosaurus 

Plestiodon 

P. galliae see Agama galliae 

P. quercyi see Placosaurus quercyi 

Pleuradontagama see Pleurodontagama 

Pleuristion see Protocaptorhinus L.Permian 

P. brachycoelus(brachycoeloussee Protocaptorhinus pricei L.Permian 

Pleurodontagama U.Cretaceous 

P. aenigmatodes Campanian 

Pleurodus see Placodus 

Pleurosaurus 79 mm 60 cm U.Jurassic-L.Cretaceous 

P. ginsburgi 79 mm 60 cm L.Cretaceous 

P. goldfussi 79 mm 60 cm U.Jurassic 

Plioplatecarpus 7.7 m? U.Cretaceous 

P. cf. Primaevus Campanian

P. crassartus 

P. depressus U.Cretaceous 

P. houzeaui 4.6 m U.Cretaceous 

P. marshi(marshii) 6 m Maastrichtian 

P. primaevus 45 cm 7 m Campanian 

P. scanicus 

P. somenensis 

P. sp. 1 m 7 m 

Pliosaurus 2 m 12.3 m? L-U.Jurassic 

P. andrewsi Callovian 

P. brachistospondylus probably Pliosaurus brachyspondylus 

P. brachydeirus 10.15 m 

P. brachyspondylus U.Jurassic 

P. cf. Grandis see Liopleurodon rossicus? 

P. chiliensis 

P. evansi M.Jurassic 

P. ferox 

P. giganteus see Liopleurodon ferox? Oxfordian 

P. grandis 10.8 m Oxfordian 

P. irgisensis 98 cm? 6.15 m Tithonian 

P. macromerus(macromerius) see Liopleurodon macromerus Callovian-Kimmeridgian 

P. portlandicus see Colymbosaurus trochanterius 

P. rossicus see Liopleurodon rossicus Tithonian 

P. rostratus L.Jurassic 

P. sp. Oxfordian 

P. trochanterius see Machimosaurus hugii?, in Crocodylia Index 

P. wosinskii see Pliosaurus brachyspondylus? 

Plotosaurus 60 cm 13.2 m U.Cretaceous 

P. bennisoni 38 cm 8.9 m Maastrichtian 

P. tuckeri 60 cm 13.2 m Maastrichtian 

Pluridens 9.2 m U.Cretaceous 

P. walkeri 9.2 m Maastrichtian 

Plutoniosaurus U.Cretaceous 

P. bedengensis see Platypterygius bedengensis 

Podargosaurus see Petrolacosaurus 

Podopteryx see Sharovipteryx 

P. mirabilis see Sharovipteryx mirabilis 

Poecilospondylus L.Permian 

P. francisi see Varanosaurus acutirostris Leonardian 

Pogona Pleistocene 

Poliosaurus see Ophiacodon L.Permian 

P. uniformis see Ophiacodon uniformis L.Permian 

Polrussia U.Cretaceous 

P. mongoliensis 1 cm Aptian 

Polycotylus 91 cm 5.2 m U.Cretaceous 

P. brevispondylus indeterminate material Cenomanian 

P. dolichops 

P. dolichopus see Polycotylus latipinnis & Dolichorhynchops sp. 

P. donicus indeterminate material Senonian 

P. epigurgitis indeterminate material Cenomanian 

P. ichthyospondylus

P. i. Tanais indeterminate material Cenomanian 

P. ischiadicus see Thalassiosaurus ischiadicus 

P. latipinnis 5.2 m Santonian 

P. orientalis indeterminate material Senonian 

P. tenuis indeterminate material Maastrichtian 

P. ultimus indeterminate material Campanian 

Polyglyphanodon 8.3 cm 46 cm U.Cretaceous 

P. bajaensis Campanian 

P. sternbergi 8 cm 67 cm? Santonian-Campanian 

P. sternbergeri see Polyglyphanodon sternbergi? 

Polygonodon U.Cretaceous 

P. vetus a tooth that belongs to a fish 

Polyptychodon 172 cm 10.8 m U.Cretaceous 

P. arcahi 

P. continuus(continus) 

P. hudsoni 

P. interruptus 10.8 m 

P. mackesoni 

P. mexicanus see Plesiosaurus mexicanus 

P. neocomiensis 

P. patagonicus 

P. rugosus see Deinosuchus rugosus, in Crocodylia Index 

Polyodontosaurus U.Cretaceous 

P. grandis Campanian 

Polysphenodon U.Triassic 

P. muelleri U.Triassic 

P. sp. 

Pontosaurus L.Cretaceous 

Poposaurus U.Triassic 

P. gracilis U.Triassic 

P. sp. U.Triassic 

Postosuchus 50 cm 2 m(b) 4 m U.Triassic 

P. kirkpatricki Carnian 

Prestosuchus 4.8 m M.Triassic 

P. chiniquensis 71 cm? 1 m 4.8 m Norian 

P. loricatus Norian 

P. sp. Norian 

Pricea see Prolacerta 

P. longiceps L.Triassic 

Primaderma M.Cretaceous 

P. nessovi Albian-Cenomanian 

Prionosaurus see Exostinus 

P. regularis see Exostinus lancensis Maastrichtian 

Priosphenodon 1 m 15 kg L.Cretaceous 

P. avelasi 1 m 15 kg L.Cretaceous 

Priscagama U.Cretaceous 

P. gobiensis 2.8 cm Campanian 

Pristiguana U.Cretaceous 

P. brasiliensis 1 cm? U.Cretaceous 

Proaigialosaurus U.Jurassic 

Procerosaurus see Tanystropheus

Procerosuchus M-U.Triassic 

P. celer 2.75 m U.Triassic 

Procolophon 5.7 cm 33 cm L.Triassic 

P. baini see Procolophon trigoniceps 

P. cuneiceps see Procolophon trigoniceps 

P. griersoni see Procolophon trigoniceps 

P. laticeps see Procolophon trigoniceps L.Triassic 

P. minor see Procolophon trigoniceps 

P. platyrhinus see Procolophon trigoniceps 

P. pricei L.Triassic 

P. sp. 4 cm 23 cm? L.Triassic 

P. sp. L.Triassic 

P. sphenorhinus see Procolophon trigoniceps 

P. trigoniceps 30 cm Scythian 

Procolophonoides L.Triassic 

Procotylus 

Prodenteia U.Cretaceous 

P. ministra U.Cretaceous 

Proelginia see Scutosaurus U.Permian 

P. permicus(permiana) see Scutosaurus karpinskii 

Proglyptosaurus L.Eocene 

P. huerfanensis(huefanensis) Ypresian 

Prognathodon 1.4 m 12.4 m? U.Cretaceous 

cf. P. giganteus Maastrichtian 

P. cf. Overtoni U.Cretaceous 

P. crassartus U.Cretaceous 

P. currii 1.4 m 12.4 m? U.Cretaceous 

P. giganteus 86 cm 10.15 m Campanian-Maastrichtian 

P. overtoni 71 cm 8.3 m U.Cretaceous 

P. rapax Maastrichtian 

P. saturator 140 cm? 10.7 m? Maastrichtian 

P. solvayi 60 cm 6.15 m Maastrichtian 

P. stadtmani 125 cm 10.5 m Campanian 

P. waiparensis(waiparaensis) 111 cm 10.8 m Maastrichtian 

Prognathosaurus see Prognathodon 

Progonosaurus Eocene 

Proiguana see Placosaurus 

P. europeana see Placosaurus europaeus 

Prolacerta 6.4 cm 1 m L.Triassic 

P. broomi L.Triassic 

P. sp. L.Triassic 

Prolacertoides L.Triassic 

P. jimusarensis L.Triassic 

Promystriosuchus see Paleorhinus U.Triassic 

P. ehlersi see Paleorhinus ehlersi 

Proneusticosaurus 76 cm M.Triassic 

P. carinthiacus Anisian-Ladinian 

P. madelungi Anisian-Ladinian 

P. silesiacus 76 cm Anisian-Ladinian 

Propappus see Pareiasaurus M-U.Permian 

P. omocratus see Pareiasaurus omocratus

P. parvus see Pareiasaurus parvus 

P. rogersi see Pareiasaurus rogersi 

Proplatynota see Proplatynotia 

Proplatynotia 6.5 cm? U.Cretaceous 

P. longirostrata 4 cm U.Cretaceous 

Propodinema see Tupinambis 

P. oligocena see Tupinambis paranensis 

P. paranensis see Tupinambis paranensis 

Propseudopus see Ophisaurus 

P. cayluxi see Placosaurus cayluxi 

P. fraasii see Ophisaurus moguntinus 

P. voigti see Ophisaurus hallensis 

Protenodontosaurus U.Triassic 

P. italicus 10.3cm? Carnian 

Proteosaurus see Ichthyosaurus 

Proterochampsa 1.8 m U.Triassic 

P. barrionuevoi 44 cm 3.5 m? Carnian 

P. nodosa Carnian 

Proterosaurus see Protorosaurus 

Proterosuchus see Chasmatosaurus? L.Triassic 

P. fergusi see Proterosuchus vanhoepeni L.Triassic 

P. sp. U.Permian 

P. vanhoepeni L.Triassic 

P. yuani L.Triassic 

Protocaptorhinus L-U.Permian 

P. pricei Wolfcampian 

P. sp. Dzhulfian 

Protoclepsidrops see Protoclepsydrops 

Protoclepsydrops L.Pennsylvanian 

P. haplous Westphalian 

Protoichthyosaurus 2 m+ L.Jurassic 

P. prosostealis Hettangian 

P. prostaxalis Hettangian 

Protolacerta L.Jurassic 

P. patagonica nomen dubium L.Jurassic 

Protorosaurus 2 m U.Permian 

P. huxleyi see Adelosaurus huxleyi U.Permian 

P. speneri U.Permian 

Protorothyris L.Permian 

P. archeri 5 cm? Wolfcampian 

Protosaurus see Protorosaurus 

Prototeius U.Cretaceous 

P. stageri 2.2 cm Campanian 

Protrachysaurus see Placosaurus 

P. gaudryi see Placosaurus gaudryi 

Provaranosaurus M.Paleocene-L.Eocene 

cf. P. sp. Torrejonian-Wasatchian 

P. acutus 12 cm? Tiffanian 

P. sp. Wasatchian 

Proxestops L-M.Paleocene 

P. cf. Jepseni Tiffanian

P. cf. Silberlingi Torrejonian 

P. jepseni see Proxestops silberlingii Puercan-Wasatchian 

P. piercei nomen dubium Wasatchian 

P. silberlingii Torrejonian 

P. sp. Puercan 

P. sp. Campanian 

Psephoderma 2 m U.Triassic 

P. alpinum(alpinus,alpina) 2 m Norian-Rhaetian 

P. anglicum may be Psephoderma alpinum Rhaetian 

P. raeticum see Macroplacus raeticum? 

Psephosaurus M-U.Triassic 

P. mosis belongs in different genus Anisian 

P. picardi Anisian-Ladinian 

P. ramonensis nomen nudum 

P. rhombifer see Psephosaurus sinaiticus Anisian 

P. sinaiticus Anisian 

P. sp. Triassic 

P. suevicus Ladinian 

Pseudeumeces U.Eocene-L.Oligocene 

P. cadurcensis 2 cm? Headonian 

P. pouiti see Ligerosaurus pouiti M.Miocene 

P. wahlbeckensis U.Paleocene 

Pseudolacerta L.Eocene-L.Oligocene 

P. lamandini 5 cm? U.Eocene-L.Oligocene 

P. mucronata see Plesiolacerta lydekkeri L.Eocene-L.Oligocene 

P. sp. L-U.Eocene 

Pseudolagosuchus 30 cm 107 cm 2 kg M.Triassic 

P. major 30 cm 107 cm 2 kg Ladinian 

Pseudopalatus Rutiodon U.Triassic 

P. andersoni possibly Rutiodon andersoni Norian 

P. buceros Norian-Rhaetian 

P. mccauleyi 

P. pristinus see Rutiodon pristinus Norian-Rhaetian 

Pseudopus see Ophisaurus 

P. fraasi see Ophisaurus moguntinus 

P. rugosus see Ophisaurus rugosus 

Pseudorhineura 7.8 mm M.Oligocene 

P. minuta see Rhineura hatcheri M.Oligocene 

Pseudorhinura probably Pseudorhineura 

Pseudosaurillus U.Jurassic 

cf. P. sp. U.Jurassic 

P. becklesi Portlandian 

P. sp. Purbeckian 

Psilotrachelosaurus M.Triassic 

P. toeplitschi see Neusticosaurus toeplitschi 

P. toplitschi see Psilotrachelosaurus toeplitschi 

Pterycollasaurus probably Pterycollosaurus, see Mosasaurus 

Pterycollosaurus see Mosasaurus 

P. maximiliani U.Cretaceous 

Ptilotodon L.Cretaceous 

P. wilsoni Aptian-Albian

Puercosaurus L.Permian 

Pumilia Pliocene-Pleistocene 

P. novaceki Blancan-Irvingtonian 

Pygopus Miocene 

Qianichthyosaurus U.Triassic 

Q. zhoui 24 cm 1.5 m U.Triassic 

Qianshanosaurus Paleocene 

Q. huangpuensis 4.5 cm? Paleocene 

Rachitrema 

R. pellati 

Rajaurisauris probably a fish M.Eocene 

R. estesi probably a fish M.Eocene 

Rajaurisaurus see Rajaurisauris 

R. estesi see Rajaurisauris estesi 

Rarojugalosaurus see Clevosaurus L.Jurassic 

R. mcgilli see Clevosaurus mcgilli 

Rauisuchus 4.6 m M.Triassic 

R. sp. 

R. tiradentes(triradentes) 4 m Carnian 

Rebbanasaurus L.Jurassic 

R. jaini 2.5 cm? L.Jurassic 

Redondasaurus U.Triassic 

R. bermani Rhaetian 

R. gregorii see Pseudopalatus pristinus Rhaetian 

Redondasuchus U.Triassic 

R. reseri Norian 

Restes U.Paleocene-L.Eocene 

R. rugosus 1.5 cm? Tiffanian-Wasatchian 

R. sp. Campanian 

Rhabdopelix U.Triassic 

Rhadinosuchus see Cerritosaurus M.Triassic 

R. gracilis see Cerritosaurus binsfeldi Ladinian 

Rhaeticonia M.Triassic 

R. rothipletzi Ladinian 

Rhamphosaurus see Tylosaurus 

Rhamposaurus see Tylosaurus 

Rhineura M.Oligocene-U.Pleistocene 

R. amblyceps see Rhineura hatcheri M.Oligocene 

R. attenuatus see Rhineura hatcheri M.Oligocene 

R. coloradensis 15 cm? Chadronian 

R. floridana U.Blancan-Rancholabrean 

R. hatcheri(hatcherii) 2 cm Orellan-Whitneyan 

R. hibbardi see Rhineura hatcheri M.Oligocene 

R. marslandensis M.Miocene 

R. minutus see Rhineura hatcheri 

R. sepultura M.Miocene 

R. sp. Bridgerian-Chadronian 

R. sternbergii see Rhineura hatcheri M.Oligocene 

R. wilsoni see Rhineura hatcheri M.Oligocene 

Rhinosauriscus see Amphibia Index U.Permian 

R. jasykowii see Amphibia Index Tatarian

Rhinosaurus see Amphibia Index U.Permian 

R. jasykovii(jasikovii) see Amphibia Index Tatarian 

R. micromus see Tylosaurus prorigor U.Cretaceous 

Rhiodenticulatus L.Permian 

Rhipaeosaurus M.Permian 

R. talonophorus M.Permian 

R. tricuspidens Wordian 

Rhipeosaurus see Rhipaeosaurus 

Rhiphaeosaurus see Rhipaeosaurus 

Rhodanogekko U.Eocene-L.Oligocene 

R. vireti U.Eocene 

Rhomaleosaurus 1 m 7.5 m 8.9 t L.Jurassic 

R. arctuatus 5.2 m 2.6 t 

R. cramptoni 6.9 m 6.3 t Toarcian 

R. megacephalus see Eurycleidus megacephalus 

R. propinquus 4 m 1.5 t Hettangian-Toarcian 

R. sp. 5.3 m L.Jurassic 

R. thorntorni 

R. victor Toarcian 

R. zetlandicus Toarcian 

Rhombopholis M.Triassic 

R. scutulatus(scutulata) 8 cm? Anisian 

Rhynchosaurus 14 cm 1 m M-U.Triassic 

R. articeps(artceps) 8 cm 54 cm Anisian 

R. brodiei 14 cm 1 m M.Triassic 

R. orientalis see Monjurosuchus orientalis Tithonian 

R. spenceri 17.5 cm 1.3 m Anisian 

Rhytidodon see Rutiodon 

R. rostratus see Rutiodon rostratus 

R. validus see Rutiodon validus 

Riabinimus L.Permian 

"Richmond Pliosaur" 4.9 m L.Cretaceous 

Rikisaurus 7.4 m U.Cretaceous 

R. tehoensis see Moanasaurus Campanian-Maastrichtian 

Rikkisaurus U.Cretaceous 

R. tehoensis see Moanasaurus Campanian-Maastrichtian 

Rileya Occupied, see Rileyasuchus 

R. bristolensis occupied, see Rileyasuchus bristolensis 

Rileyasuchus presently considered a dinosaur 

R. bristolensis M.Triassic 

Riojasuchus 3 m? U.Triassic 

R. tenuiceps(tenuisceps) 25 cm 122 cm Norian-Rhaetian 

Rjabininus U.Permian 

Romeria L.Permian 

R. sp. 

R. texana Sakmarian-Artinskian 

Rothaniscus possibly Rothianiscus M.Permian 

Rothianiscus L-U.Permian 

R. multidonta L-U.Permian 

Rothia see Rothianiscus M.Permian 

R. multidonta see Rothianiscus multidonta L-U.Permian

Rothioniscus see Rothianiscus 

Rubricacaecilla L.Cretaceous 

Russellosaurus 

Ruthiromia U.Pennsylvanian-L.Permian 

R. elcobriensis U.Pennsylvanian-L.Permian 

Rutiodon 155 cm 7.8 m? U.Triassic 

R. adamanensis possibly not a phytosaur Carnian 

R. andersoni 86 cm 4.3 m? U.Triassic 

R. buceros 81 cm 4 m? U.Triassic 

R. carolinensis 70 cm? Carnian-Norian 

R. crosbiensis 86 cm 4.3 m? Carnian 

R. doughtyi U.Triassic 

R. gregorii 155 cm 7.8 m? Carnian-Norian 

R. imperfecta 112 cm 5.6 m? U.Triassic 

R. leai U.Triassic 

R. lepturus Carnian 

R. lithodendrorum U.Triassic 

R. manhattanensis Norian 

R. pennsylvanicus? U.Triassic 

R. pristinus U.Triassic 

R. rostratus U.Triassic 

R. rutimeyeri 102 cm? Rhaetian 

R. scolopax U.Triassic 

R. serridens L.Triassic 

R. sp. 2.5 m Carnian 

R. sp. Rhaetian 

R. studeri 89 cm 4.5 m? U.Triassic 

R. tenuis U.Triassic 

R. validus 117 cm 5.9 m? U.Triassic 

R. zunii U.Triassic 

Sakurasaurus L.Cretaceous 

S. shokawensis L.Cretaceous 

Saltoposuchus see Crocodylia Index 

Saltopus 58 cm U.Triassic 

Samaria L.Triassic 

S. concinna Olenekian 

Sanchiaosaurus M.Triassic 

S. dengi 15 cm? 115 cm? Anisian-Ladinian 

Sanchuansaurus U.Permian 

Sangiorgiosaurus see Phalarodon or Mixosaurus 

S. kuhnschnyderi see Mixosaurus kuhnschnyderi M.Triassic 

Saniwa 2.15 m+ M.Paleocene-Oligocene 

cf. S. sp. Torrejonian 

cf. S. sp. Wasatchian 

S. aff. Ensidens U.Paleocene 

S. agilis 60 cm? Bridgerian 

S. australis nomen dubium Arikareean 

S. brooksi U.Eocene 

S. cf. Ensidens Wasatchian 

S. crassa(crassus,crassas) 1.5 m? Bridgerian 

S. ensidens(edsodens,edsidens10.6 cm 1.8 m? Wasatchian-Bridgerian

S. feisti Lutetian 

S. grandis 2.15 m+ Wasatchian-Bridgerian 

S. leptodus see Saniwa ensidens Bridgerian 

S. major see Saniwa crassa Bridgerian 

S. orsmaelensis Ypresian 

S. paucidens 122 cm? Bridgerian-Uintan 

S. sp. L.Eocene-M.Oligocene 

Saniwides U.Cretaceous 

S. mongoliensis 4.5 cm Campanian 

Sanjuansauro 

Santaisaurus 1.5 cm L.Triassic 

S. yuani L.Triassic 

Sapheosaurus 2.7 cm 46 cm? U.Jurassic 

S. sp. 

S. thiollieri(thiollierei) 2.7 cm 70 cm U.Jurassic 

Sarmatosuchus M.Triassic 

S. otschevi 17 cm+ Anisian 

Sauranodon see Sapheosaurus U.Jurassic-L.Cretaceous 

S. discus see Baptanodon discus U.Jurassic 

S. natans see Baptanodon natans U.Jurassic 

Saurillodon U.Jurassic 

S. henkeli 1 cm? Kimmeridgian 

S. proraformis Kimmeridgian 

Saurillus U.Jurassic 

S. henkeli see Saurillodon henkeli 

S. obtusus Kimmeridgian 

S. proraformis see Saurillodon proraformis 

S. robustidens see Paramacellodus oweni 

Sauriscus see Estescincosaurus U.Cretaceous 

S. cooki see Estescincosaurus cooki Campanian 

S. sp. Campanian 

Sauromalus L.Pleistocene-Recent 

S. after 

S. obesus living Chuckwalla Irvingtonian-Recent 

Sauromorus see Ophisaurus 

S. ambiguus nomen dubium L.Miocene 

S. lacertinus nomen dubium L.Miocene 

Saurophidium see Pleurosaurus 

Saurophis nomen dubium U.Pleistocene 

S. crassus nomen dubium U.Pleistocene 

Saurorictus U.Permian 

S. australis 2.2 cm Tatarian 

Saurosphargis M.Triassic 

S. voltzi Anisian 

Saurosternon 15 cm? U.Permian-L.Triassic 

S. baini(bainii) 8 cm? U.Permian 

S. griesbachi see Heleosuchus griesbachi 

Saurosternum see Sclerosaurus? 

Saurosuchus 76 cm 138 cm 7 m 2 t U.Triassic 

S. galilei 7 m 2 t Carnian 

S. sp. Carnian

Scalaposaurus see Scaloposaurus 

Scandensia 

Scanisaurus U.Cretaceous 

S. nazarowi Senonian 

Scaphonychimus see Scaphonyx 

S. eurychorus see Scaphonyx fischeri? 

Scaphonyx 94 cm? 5.5 m M-U.Triassic 

S. australis see Scaphonyx fischeri? 

S. fischeri see Hyperodapedon sanjuanensis 

S. sanjuanensis see Hyperodapedon sanjuanensis 

S. sulcognathus Carnian 

Scelerosaurus see Sclerosaurus 

S. armatus see Sclerosaurus armatus 

Sceloporus U.Miocene-Recent 

S. cf. Clarki Holocene 

S. cf. Jarrovi Holocene 

S. cf. Magister U.Miocene-Holocene 

S. cf. Robustus U.Pliocene 

S. cf. Undulatus Rancholabrean-Holocene 

S. cf. Variabilis Rancholabrean 

S. graciosus living Sagebrush Lizard Rancholabrean-Recent 

S. holmani see Phrynosoma holmani 

S. jarrovi living Mountain Spiny Lizard Rancholabrean-Recent 

S. magister living Desert Spiny Lizard Blancan-Recent 

S. nr. Undulatus Hemphillian 

S. occidentalis living Western Fence Lizard Rancholabrean-Recent 

S. olivaceous living Texas Spiny Lizard U.Pliocene-Recent 

S. poinsetti living Crevice Spiny Lizard Rancholabrean-Recent 

S. robustus 9 mm? U.Blancan 

S. sp. Hemphillian 

S. sp. Barstovian 

S. sp. Arikareean-Rancholabrean 

S. undulatus living Eastern Fence Lizard Blancan-Recent 

S. variabilis living Rosebelly Lizard Rancholabrean-Recent 

Scelotes U.Pleistocene-Recent 

S. sp. Rancholabrean 

Scenodon see Thalattosaurus 

S. perrini see Thalattosaurus perrini 

Scharschengia L.Triassic 

S. enigmatica Olenekian 

S. sp. Induan-Olenekian 

Schilleria M.Jurassic 

Scleromochlus 25 cm U.Triassic 

S. taylori 25 cm Carnian 

Sclerosaurus L.Triassic 

S. armatus 50 cm? L.Triassic 

Scoliomus see Sphenacodon L.Permian 

S. puercensis see Sphenacodon ferox L.Permian 

Scoloparia U.Triassic 

S. glyphanodon 4.8 cm? U.Triassic 

Scutosaurus 43 cm 3 m U.Permian

S. carpinski see Scutosaurus karpinskii Tatarian 

S. itilensis see Scutosaurus karpinskii Tatarian 

S. karpinskii(karpinsky) 50 cm 3 m Tatarian 

S. permiana(permianus) see Scutosaurus karpinskii Tatarian 

S. rossicus see Deltavjatia vyatkensis Tatarian 

S. tuberculatus see Scutosaurus karpinskii Tatarian 

Scythosuchus L.Triassic 

S. basileus L.Triassic 

Secodontosaurus 2.5 m L.Permian 

S. longiramus possibly S. obtusidens Wolfcampian 

S. obtusidens 29 cm? Wolfcampian 

S. sp. Leonardian 

S. willistoni Leonardian 

Secondontosaurus see Secodontosaurus 

S. obtusidens see Secodontosaurus obtusidens 

Seeleyosaurus see Plesiosaurus 

S. holzmadensis see Plesiosaurus guilelmiimperatoris 

Seemania possibly Ticinosuchus L.Triassic 

S. palaeotriadica possibly Ticinosuchus ferox, nomen dubium 

Selmasaurus U.Cretaceous 

S. russelli Campanian 

Serpianosaurus M.Triassic 

S. mirigiolensis 67 cm? Anisian-Ladinian 

Shansisaurus see Shihtienfenia U.Permian 

S. xuecunensis see Shihtienfenia permica U.Permian 

Shanshisuchus see Shansisuchus 

S. shansisuchus see Shansisuchus shansisuchus 

Shansisuchus 4 m L.Triassic 

S. heiyuekouensis L.Triassic 

S. kuyeheensis Olenekian 

S. shansisuchus 62 cm? 89 cm? 3.2 m? Olenekian 

Sharovipteryx 24 cm? U.Triassic 

S. mirabilis 1.7 cm 20 cm Norian 

Sharovisaurus U.Jurassic 

Shastasaurus U.Jurassic 

S. altispinus see Shastasaurus pacificus Carnian 

S. alexandrae see Shastasaurus pacificus Carnian 

S. careyi 10 m 10.2 t U.Triassic 

S. carinthiacus indeterminate material Carnian 

S. cf. Sp. Triassic 

S. neoscapularis 45 cm 2 m Norian 

S. neubigi 60 cm? 3 m Anisian 

S. nordensis indeterminate material Ladinian 

S. osmonti see Shastasaurus pacificus Carnian 

S. pacificus Carnian 

S. perrini see Californosaurus perrini Carnian 

S. sieversi indeterminate material Norian 

S. sp. see Cymbospondylus M.Triassic 

Shihtienfenia U.Permian 

S. permica U.Permian 

Shingyisaurus M.Triassic

S. unexpectatus(unexpectus) see Nothosaurus? Anisian 

Shinisauroides U.Cretaceous 

S. latipalatum U.Cretaceous 

Shonisaurus 3.7 m? 15.4 m 41 t U.Triassic 

S. mulleri U.Triassic 

S. popularis 3 m 15.4 m 31 t Carnian 

S. silberlingi 12 m 15 t U.Triassic 

S. tingjiensis 10 m? Norian 

Shuvosaurus U.Triassic 

S. inexpectatus Norian 

Sigmala U.Triassic 

S. sigmala Rhaetian 

Sillosuchus 3 m U.Triassic 

S. longicervix Carnian 

Silvestrosaurus M.Triassic 

S. buzzi see Lariosaurus buzzii Anisian-Ladinian 

Simbirskiasaurus L.Jurassic 

S. birjukovi Platypterygius birjukovi Hauterivian 

Simila U.Triassic 

Simoedosaurus U.Cretaceous-Eocene 

S. dakotensis(dakodensis) 70 cm U.Paleocene 

S. lemoinei Thanetian 

S. sp. 

Simolestes 82 cm 6.15 m U.Jurassic 

S. indicus Tithonian 

S. keileni Bajocian 

S. nowackianus U.Jurassic 

S. vorax 74 cm 6.15 m Callovian 

Simosaurus 22.5 cm 4 m? M-U.Triassic 

S. cf. Gaillardoti Ladinian 

S. gaillardoti 22.5 cm 4 m? Ladinian-Norian 

S. guiliemi see Simosaurus gaillardoti 

S. g. var. angusticeps see Simosaurus gaillardoti 

S. mougeoti Anisian-Ladinian 

S. pusillus see Neusticosaurus pusillus 

Sineoamphisbaena U.Cretaceous 

S. hexatabularis(hexatabalaris) U.Cretaceous 

Sinohydrosaurus see Hyphalosaurus U.Jurassic 

S. lingyuanensis see Hyphalosaurus lingyuanensis 

Sinopliosaurus U.Jurassic 

Sinosaurus L.Jurassic 

S. sp. 

Sironectes see Platecarpus U.Cretaceous 

Slavoia U.Cretaceous 

S. darevskyi(darevskii) 2.4 cm U.Cretaceous 

Smilodon preoccupied, see Carnivora Index 

S. laevis see Zanclodon laevis U.Triassic 

Smilosuchus 12 m U.Triassic 

S. gregorii Carnian 

Socognathus U.Cretaceous 

S. unicuspis U.Cretaceous

Spathorhynchus 2.5 cm 30 cm M.Eocene-L.Oligocene 

S. fossorium(fossium) Bridgerian 

S. natronicus Chadronian 

Sphaerodactylus U.Pleistocene-Recent 

S. dommeli U.Pleistocene 

S. sp. 4.5 cm? U.Pleistocene 

Sphaerodontes a Fish Jurassic 

S. caroli a Fish Oxfordian 

Sphenacodon 3 m L.Permian 

S. britannicus Autunian 

S. ferocior 39 cm L.Permian 

S. ferocir see Sphenacodon ferocior 

S. ferox 30 cm 57 cm? 1.8 m? L.Permian 

Sphenodon 2.8 cm L.Pleistocene-Recent 

S. diversum 

S. punctatus(reischeki) Recent 

S. sp. 

Sphenomorphus Pleistocene-Recent 

Sphenosaurus see Amphibia Index L.Permian 

Sphenosiagon 

Sphodrosaurus U.Triassic 

S. pennsylvanicus 28 cm? U.Triassic 

Spinoaequalis U.Pennsylvanian 

S. schultzei U.Pennsylvanian 

Spinosuchus 2.2 m U.Triassic 

S. caseanus 2.2 m U.Triassic 

Spondylestes see Spondylolestes? L.Triassic 

Spondylolestes L.Triassic 

S. rubidgei L.Triassic 

Spondylosaurus see Pliosaurus U.Jurassic 

S. fahrenkohli indeterminate material Tithonian 

S. frearsi(frearsii) see Pliosaurus brachyspondylus? 

Staganolepis see Stagonolepis 

S. robertsoni see Stagonolepis robertsoni 

Stagenolepis see Stagonolepis 

Stagonolepis 27 cm 3 m 200 kg U.Triassic 

S. robertsoni 2.7 m 200 kg Carnian 

S. scagliai 2.5 m Carnian 

S. wellesi Carnian 

Stagonosuchus M.Triassic 

S. major M.Triassic 

S. nyassicus see Stagonosuchus major M.Triassic 

S. tanganyikaensis see Stagonosuchus major M.Triassic 

Staurosternon see Stereosternum 

S. tuditum see Stereosternum tumidum 

Stegomus 1.5 m U.Triassic 

S. arcuatus see Aetosaurus arcuatus U.Triassic 

S. a. jerseyensis see Aetosaurus arcuatus U.Triassic 

S. longipes see Stegomosuchus longipes in Crocodile Index 

Stellio Pleistocene-Recent 

S. stellio Pleistocene

Stelliosaurus see Homoeosaurus 

Stenaulorhynchus 1.5 m M.Triassic 

S. major M.Triassic 

S. stockleyi see S. major? Anisian 

Stenaulorhynchys see Stenaulorhynchus 

Stenometopon see Hyperodapedon U.Triassic 

S. taylori see Rhynchosaurus articeps 

Stenopterygius 3 m L.Jurassic 

S. acutirostris 

S. cuneiceps 4 m L.Jurassic 

S. hauffianus(huaffianus) 3.4 m L.Jurassic 

S. longifrons 

S. longipes 4 m L.Jurassic 

S. macrophasma L.Jurassic 

S. megacephalus 2.3 m L.Jurassic 

S. megalorhinus 3.5 m L.Jurassic 

S. quadriscissus 3 m Tithonian 

S. uniter 76 cm 2.5 m L.Jurassic 

Stephanospondylus see Amphibia Index L.Permian 

Stereophallodon L.Permian 

S. ciscoensis Wolfcampian 

Stereorachis U.Permian 

S. dominans Stephanian 

Stereorhachis probably Stereorachis U.Pennsylvanian-L.Permian 

S. dominans probably Stereorachis dominans 

Stereosaurus 

Stereosternum see Mesosaurus 76 cm L.Permian 

S. sp. L.Permian 

S. tumidum(tumidus) see Mesosaurus tumidus Artinskian 

Sthenarosaurus 3 m L.Jurassic 

S. dawkinsi 3 m Toarcian 

Stretosaurus see Liopleurodon U.Jurassic 

S. macromerus see Liopleurodon macromerus Kimmeridgian 

Stricosuchus Strigosuchus 

S. licinus see Strigosuchus licinus 

Strigosuchus see Crocodylia Index L.Jurassic 

Strongylokrotaphus 98 cm? 6.15 m U.Jurassic 

S. irgisensis see Pliosaurus irgisensis Tithonian 

Stypodontosaurus U.Cretaceous 

Styxosaurus 53 cm 10.15 m U.Cretaceous 

S. browni see Hydralmosaurus serpentinus 

S. snowii 53 cm 10.15 m Santonian-Campanian 

S. sp. Santonian-Campanian 

Succinilacerta M.Eocene 

S. succinea 4 cm 

Suchoprion see Nicrosaurus & Palaeoctonus 

S. aulacodus see Palaectonus aulacodus 

S. cyphodon Carnian 

S. sulcidens Carnian 

Suevoleviathan L.Jurassic 

S. disinteger 4.3 m Toarcian

Sulcatidens M.Miocene-Recent 

Sulcusuchus U.Cretaceous 

S. erraini 4 m? Campanian-Maastrichtian 

Supradapedon 

Svalbardosaurus L.Triassic 

S. crassidens indeterminate material L.Triassic 

Swainiguanoides M.Paleocene-L.Eocene 

cf. S. milleri Wasatchian 

S. cf. Milleri Wasatchian 

S. milleri 1 cm Torrejonian-Wasatchian 

S. piger Torrejonian 

Taiyania U.Permian 

T. simplicidentata U.Permian 

Tamaulipasaurus L-M.Jurassic 

T. morenoi 1.8 cm? L-M.Jurassic 

Tanaisosaurus L.Triassic 

T. kalandadzei Scythian 

Tangasaurus U.Permian 

T. mennelli U.Permian 

Taniwhasaurus 114 cm 12.3 m? L-U.Cretaceous 

T. haumuriensis 114 cm 9.2 m? Maastrichtian 

T. oweni 50 cm 6.15 m? Maastrichtian 

Tanystropheus 10.8 m? L-M.Triassic 

T. antiquus M.Triassic 

T. bauri a Dinosaur, Coelophysis bauri 

T. conspicuus L-U.Triassic 

T. fossai Norian 

T. longbardicus see Tanystropheus longobardicus 

T. longicollis a Dinosaur, Coleophysis longicollis 

T. longobardicus 4.6 m M.Triassic 

T. meridensis M.Triassic 

T. posthumus see Tanystrosuchus posthumus? 

T. willistoni a Dinosaur, Coelophysis willistoni 

Tanystropheus probably Tanystropheus 

T. antiquus probably Tanystropheus antiquus 

T. posthumus probably Tanystropheus posthumus 

Tanytrachelos 60 cm? U.Triassic 

T. ahynis 30 cm Carnian 

T. sp. Triassic 

Taphrosaurus U.Cretaceous 

T. lockwoodii indeterminate material U.Cretaceous 

Tapinosaurus 

Tarentola U.Pleistocene-Recent 

T. americana Rancholabrean 

Tarjadia M.Triassic 

T. ruthae Anisian-Ladinian 

Tasmaniosaurus 20 cm 122 cm L-U.Triassic 

T. triassicus 20 cm Carnian 

Tatenektes U.Jurassic 

Taurocephalus U.Permian 

Tchingisaurus U.Cretaceous

T. multivagus U.Cretaceous 

Tchoiria L.Cretaceous 

T. egloni see Irenosaurus egloni 

T. magnus see Ikechosaurus magnus 

T. namsarai 35 cm? Aptian 

Teilhardosaurus U.Jurassic-L.Cretaceous 

T. carbonarius U.Jurassic-L.Cretaceous 

Tejus Pampean? 

T. cf. Tequixis Pampean? 

T. tequixis Pampean? 

Teleocrater M.Triassic 

Telerpedon see Leptopleuron 

Telerpeton see Leptopleuron M.Triassic 

T. elginense see Leptopleuron lacertinum 

Telmasaurus 13 cm? 122 cm U.Cretaceous 

T. grangeri 7 cm? Campanian 

Temnodontosaurus 2 m 9.2 m L.Jurassic 

T. burgundiae possibly Leptopterygius burgundiae 

T. eurycephalus 95 cm 4.4 m? Sinemurian 

T. longirostris L.Jurassic 

T. nuertingensis L.Jurassic 

T. platyodon 2 m 9 m Sinemurian 

T. risor see Temnodontosaurus platyodon 

T. trigonodon 7 m? 

Tepexisaurus L.Cretaceous 

T. tepexii Albian 

Teraterpeton U.Triassic 

T. hrynewichorum 20 cm Carnian 

Teratophon L.Triassic 

T. spinigenis L.Triassic 

Teratosaurus 3.4m H 6.15 m U.Triassic 

T. lloydi 2.3m h 6.15 m U.Triassic 

T. suevicus(saevicus) see Teratosaurus lloydi U.Triassic 

Teretocnemus U.Triassic 

T. californicus 

T. zitteli 3 m U.Triassic 

Termatosaurus U.Triassic 

Terminonatator 27 cm 7 m? U.Cretaceous 

T. ponteixensis 27 cm 7 m? Campanian 

Tetraceratops see Therapsid Index L.Permian 

Tetralophosaurus L.Miocene 

T. minutus see Dipsosaurus cf. Dorsalis L.Miocene 

Thadeosaurus 3.8 cm 60 cm U.Permian 

T. colcanapi 3.8 cm 7 cm? 60 cm U.Permian 

Thaisaurus L.Triassic 

T. chonglakmanni(chonglakmanii) L.Triassic 

Thalassiodracon 21 cm 2 m U.Triassic-L.Jurassic 

T. hawkinsi 20 cm 2 m Rhaetian-Hettangian 

Thalassiosaurus U.Cretaceous 

T. ischiadicus see Alzadasaurus kansasensis U.Cretaceous 

Thalassomedon 47 cm 12.3 m U.Cretaceous

T. haningtoni(hanningtoni) 47 cm 12.3 m Cenomanian 

T. haringotni see Thalassomedon haningtoni 

Thalassonomosaurus U.Cretaceous 

T. marshi(marshii) see Styxosaurus snowi & Styxosaurus sp. 

T. nobilis 

Thalattosaurus 30 cm 2.15 m? M-U.Triassic 

T. alexandrae U.Triassic 

T. perrini 

T. shastensis 

Thaumastosaurus actually an Amphibian, see Appropriate Index 

Thaumatosaurus 36 cm 3.4 m L.Jurassic 

T. calloviensis indeterminate material Callovian 

T. cramptoni Toarcian 

T. mosquensis see Liopleurodon ferox? Oxfordian-Kimmeridgian 

T. oolithicus 

T. victor see Rhomaleosaurus victor L.Jurassic 

Thecadactylus U.Pleistocene 

T. rapicauda U.Pleistocene-Recent 

Thelagnathus probably Thelegnathus 

Theledectes L.Triassic 

T. perforatus L.Triassic 

Thelegnathus see Microthelodon L.Triassic 

T. browni nomen dubium L.Triassic 

T. contritus see Thelephon contritus L.Triassic 

T. oppressus see Thelerpeton oppressus L.Triassic 

T. parvus see Microtheledon parvus L.Triassic 

T. perforatus see Theledectes perforatus L.Triassic 

T. spinigenis see Teratophon spinigenis L.Triassic 

Thelephon L.Triassic 

T. contritus L.Triassic 

Thelerpeton L.Triassic 

T. oppressus L.Triassic 

Theretairus see Opisthias U.Jurassic 

T. antiquus see Opisthias sp. Purbeckian 

Theropleura see Ophiacodon or Dimetrodon 

T. grandis see Dimetrodon grandis L.Permian 

T. obtusidens see Dimetrodon obtusidens L.Permian 

T. retroversa see Ophiacodon retroversus L.Permian 

T. triangulata see Theropleura retroversa L.Permian 

T. uniformis see Poliosaurus uniformis L.Permian 

Theropleurus see Ophiacodon or Dimetrodon 

T. grandis see Diopeus grandis? Leonardian 

Therosaurus see Ophiacodon L.Permian 

T. watsoni see Ophiacodon retroversus Wolfcampian 

Thinosaurus see Saniwa 

T. agilis see Saniwa agilis 

T. crassus see Saniwa crassa 

T. grandis see Saniwa grandis 

T. leptodus see Saniwa ensidens 

T. paucidens see Saniwa paucidens 

Tholodus M.Triassic

T. schmidii(schmidi M.Triassic 

Thoracophis see Ophisaurus 

T. rugosus see Ophisaurus rugosus 

Thrausmosaurus L.Permian 

T. serratidens L.Permian 

Thuringothyris L.Permian 

T. mahlendorffae L.Permian 

Thyrus 

T. bojeri see Gongylomorphus bojeri 

Tibetosaurus see Shonisaurus 10 m? U.Triassic 

T. tingjiensis see Shonisaurus tingjiensis Norian 

Tichvinskia L.Triassic 

T. burtensis see Burtensia burtensis 

T. enigmatica 3 cm? 

T. jugensis 3 cm? Olenekian 

T. majmesculae see Kapes majmesculae 

T. sp. Olenekian 

T. vjatkensis 3 cm? 19 cm? Olenekian 

Ticinosuchus 3 m M.Triassic 

T. ferox 29 cm? 55 cm? 2.5 m Anisian-Ladinian 

Tijubina L.Cretaceous 

T. pontei L.Cretaceous 

Tikisaurus possibly Tikisuchus? 

T. romeri possibly Tikisuchus romeri? 

Tikisuchus M-U.Triassic 

T. romeri Carnian 

Tiliqua Miocene-Recent 

Timanophon L.Triassic 

T. burtensis 

T. raridentatus 3 cm? Olenekian 

Tingitana L.Cretaceous 

T. anoualae 1 cm? Berriasian 

Tinosaurus M.Paleocene-U.Eocene 

T. asiaticus Bartonian 

T. cf. Stenodon U.Eocene 

T. doumuensis 2 cm? M.Paleocene 

T. europeocaenus Ypresian 

T. lepidus see Tinosaurus stenodon Wasatchian 

T. lushihensis 1.2 cm? M.Eocene 

T. pristinus Bridgerian 

T. sp. Ypresian 

T. stenodon Bridgerian 

Tomicosaurus see Araeoscelis L.Permian 

T. sp. L.Permian 

Toretocnemus U.Triassic 

T. californicus Carnian 

T. zitteli Carnian 

Toxolophosaurus L.Cretaceous 

T. cloudi L.Cretaceous 

T. sp. 

Trachelosaurus L.Triassic

T. fischeri 1.3 m Scythian 

Trachyderma see Heloderma 

T. horridum see Heloderma horridum 

Trachydosaurus Cretaceous-Recent 

T. rugosus 

T. sp. Cretaceous 

Trachysaurus see Trachydosaurus 

Tremamesacleis see Muraenosaurus U.Jurassic 

T. playclis see Muraenosaurus platyclis 

Trentinosaurus see Tridentinosaurus 

Tribelesodon see Tanystropheus M.Triassic 

T. longobardicus see Tanystropheus longobardicus 

Trichasaurus L.Permian 

T. cf. Sp. Leonardian 

T. texensis L.Permian 

Tricleidus 24 cm 3 m M-U.Jurassic 

T. laramiensis Jurassic 

T. seeleyi 24 cm 3 m Callovian 

Tricuspisaurus U.Triassic 

T. thomasi Norian 

Tridentinosaurus 30 cm L.Permian-L.Triassic 

T. antiquus 30 cm L.Permian 

Trilophosaurus 12 cm 2 m? U.Triassic 

T. buettneri 12 cm 122 cm Norian 

T. jacobsi Carnian 

T. sp. Carnian 

Trimacromerum see Dolichorhynchops 

Trinacromerum 89 cm? 5 m? M-U.Cretaceous 

T. anonymum see Trinacromerum bentonianum 

T. bentonianum 53 cm 3 m Cenomanian 

T. bonneri see Dolichorhynchops osborni 

T. cf. Browni Cretaceous 

T. kirki Turonian 

T. osborni see Dolichorhynchops osborni 

T.. Willistoni see Trinacromerum bentonianum 

Trogonophis U.Pliocene-Recent 

T. darelbeidae 5 mm U.Pliocene 

Trucuspisaurus see Tricuspisaurus? U.Triassic 

Tsylmosuchus M.Triassic 

T. donensis Olenekian 

T. jakovlevi Olenekian 

T. samariensis Olenekian 

T. sp. Olenekian 

Tuarangisaurus 37 cm 9.2 m U.Cretaceous 

T. cabazai Maastrichtian 

T. keysi(keyesi) 37 cm 9.2 m Campanian-Maastrichtian 

Tupinambis U.Oligocene-Recent 

T. brevirostris see Tupinambis preteguixin 

T. huilensis U.Miocene 

T. multidentatus see Tupinambis preteguixin 

T. nigropunctatus

T. onyxodon see Tupinambis preteguixin 

T. paranensis U.Blancan 

T. prerufescens see Tupinambis preteguixin 

T. preteguixin U.Blancan-L.Irvingtonian 

T. sp. U.Oligocene-Pleistocene 

T. teguixin living Common Tegu Rancholabrean-Recent 

Turfanosuchus 1.2 m? L.Triassic 

T. dabanensis 13 cm? 1.2 m? Olenekian 

T. shageduensis Olenekian 

Turneria see Morturneria U.Cretaceous 

T. seymourensis see Morturneria seymourensis Maastrichtian 

Tylosaurus 2 m? 17.2 m? U.Cretaceous 

T. dispar 8 m U.Cretaceous 

T. dyspelor 10.6 m U.Cretaceous 

T. haumuriensis see Taniwhasaurus haumuriensis 

T. ivoensis Campanian 

T. laticaudus U.Cretaceous 

T. micromus see Tylosaurus prorigor U.Cretaceous 

T. nepaeolicus 64 cm 7.4 m Coniacian 

T. n.sp. 

T. perlatus U.Cretaceous 

T. prorigor 1.8 m 15.4 m Santonian-Campanian 

T. rhiphalus Campanian 

T. sp. Campanian 

T. validus U.Cretaceous 

T. zangerli 

Tylosteus is actually a Dinosaur 

Typhlops is a snake, see Snake Index 

T. edwardsi see Omoiotyphlops edwardsi 

Typothorax 3.7 m L-U.Triassic 

T. cf. Coccinarum Triassic 

T. coccinarum L-U.Triassic 

T. meadei see Longosuchus meadei U.Triassic 

T. sp. Triassic 

Uatchitodon U.Triassic 

U. kroehleri Carnian 

Undorosaurus U.Jurassic 

U. gorodischensis Tithonian 

U. khorlovensis see Undorosaurus sp. Tithonian 

U. nessovi see Undorosaurus gorodischensis 

U. sp. Tithonian 

Uralosaurus M.Triassic 

U. magnus Anisian 

Uromastyx U.Eocene-Recent 

U. europaeus nomen dubium U.Eocene-L.Oligocene 

U. spinipes U.Pleistocene-Holocene 

Uronautes U.Cretaceous 

Urosaurus Recent 

U. cf. Graciosus Holocene 

U. ornatus living Tree Lizard Holocene-Recent 

Uta Pleistocene-Recent

U. stansburiana living Side-blotched Lizard Blancan-Recent 

Utatsusaurus 3 m? L.Triassic 

U. hataii 1.5 m L.Triassic 

U. sp. 

Vallesaurus U.Triassic 

V. cenensis Norian 

Varannosaurus see Varanosaurus 

Varanodon L.Permian 

V. agilis L.Permian 

Varanops 1 m L.Permian 

V. brevirostris 11 cm? 20 cm? 85 cm? L.Permian 

Varanosaurus 1.5 m L.Permian 

V. acutirostris 14.5 cm L.Permian 

V. sp. Leonardian 

V. wichitaensis possibly V. acutirostris L.Permian 

Varanus Miocene-Recent 

V. atticus see Varanus marathonensis 

V. bolkayi Pliocene-U.Pleistocene 

V. cayluxi(cayluxy) see Necrosaurus cayluxi 

V. cf. Bengalensis Pleistocene 

V. cf. Hofmanni Burdigalian-Helvetian 

V. deserticolus see Ophisaurus pannonicus 

V. dirus see Megalania prisca Pleistocene 

V. emeritus nomen dubium Pleistocene 

V. hofmanni Vindobonian 

V. hooijeri Holocene 

V. lemanensis see Anguis lemanensis 

V. lemoinei specimen belongs to a turtle Ypresian 

V. marathonensis Pliocene-U.Pleistocene 

V. margariticeps see Placosaurus margariticeps 

V. niloticus living Nile Monitor Pleistocene-Recent 

V. prisca(priscus) see Megalania prisca 

V. rusingensis 2 m? Burdigalian 

V. sivalensis indeterminate material L.Pliocene-Pleistocene 

V. sp. L.Miocene-Holocene 

V. warburtonensis see Megalania prisca 

Variodens U.Triassic 

V. inopinatus U.Triassic 

Venaticosaurus U.Triassic 

V. rusconii 2 m Carnian 

Venaticosuchus U.Triassic 

V. rusconii 3 m Carnian 

Vinialesaurus U.Jurassic 

V. caroli Oxfordian 

Vitalia L.Triassic 

V. grata Olenekian 

Vjushkovia L-M.Triassic 

V. shiguaiensis Olenekian 

V. sinensis Anisian 

V. triplicostata see Garjainia triplicostata Olenekian 

Vjushkovisaurus M.Triassic

V. berdjanensis Anisian 

V. sp. 

Vonhuenia L.Triassic 

V. friedrichi Induan 

Vytshegdosuchus L.Triassic 

V. zheshartensis Olenekian 

Wangisuchus L.Triassic 

W. tzeyii Olenekian 

Wapitisaurus L.Triassic 

W. problematicus L.Triassic 

Weigeltisaurus 50 cm U.Permian 

W. jaekeli U.Permian 

Westlothiana 30 cm? M.Mississippian 

W. lizziae 20 cm Visean 

Wimanius M.Triassic 

W. odontopalatus Anisian-Ladinian 

Winfieldia see Ophiacodon L.Permian 

W. hilli see Ophiacodon hilli L.Permian 

Woodbinesuchus Cretaceous 

W. byersmaurici Cretaceous 

Woolungasaurus 43 cm 10.15 m L-U.Cretaceous 

W. glendowerensis 42 cm 9.5 m Albian 

W. sp. Cretaceous 

Xantusia U.Miocene-Recent 

X. downsi Blancan-Irvingtonian 

X. vigilis living Desert Night Lizard U.Miocene-Recent 

Xemus? see Tichvinskia L.Triassic 

X. efremovi see Tichvinskia jugensis L.Triassic 

Xenodiphyodon U.Triassic 

X. petraios 1 cm? Carnian 

Xenognathus see Colognathus 

X. obscurus see Colognathus obscurus U.Triassic 

Xenosuchus see Caiman, in Crocodylia Index 

Xestops L.Paleocene-M.Eocene 

X. abderhaldeni see Placosauriops abderhaldeni 

X. cf. Sp. Eocene 

X. gracilis nomen dubium 60 cm? Bridgerian 

X. lentus nomen dubium 60 cm? Bridgerian 

X. microdus nomen dubium 60 cm? Bridgerian 

X. minutus nomen dubium 20 cm? Bridgerian 

X. pawneensis see Parophisaurus pawneensis Orellan 

X. piercei see Proxestops piercei 

X. sp. Bridgerian 

X. sp. Eocene 

X. sp. Puercan 

X. stehlini see Paraxestops stehlini U.Eocene 

X. vagans 1 m? Bridgerian 

X. weigelti see Placosauriops weigelti Lutetian 

Xihaina U.Cretaceous 

X. aquilonia Campanian 

Xilousaurus

X. sp. 

Xilousuchus M.Triassic 

X. sapingensis L.Triassic 

Xyrospondylus U.Pennsylvanian 

X. ecordi U.Pennsylvanian 

Yabeinosaurus 20 cm U.Jurassic 

Y. tenuis 20 cm U.Jurassic 

Y. youngi 20 cm U.Jurassic 

Yaguarosaurus 55 cm 5.1 m U.Cretaceous 

Y. colombianus 55 cm 5.1 m Turonian 

Yasykovia U.Jurassic 

Y. kabanovi see Paraophthalmosaurus yasykovi 

Y. mittai indeterminate material Tithonian 

Y. sumini see Paraophthalmosaurus yasykovi 

Y. yasykovi see Paraophthalmosaurus yasykovi 

Yezosaurus 

Y. mikasaensis 

Yonghesuchus U.Triassic 

Y. sangbiensis U.Triassic 

Youngina 6.4 cm 30 cm U.Permian 

Y. capensis 6.4 cm Wordian-Capitanian 

Y. gracilis 

Y. romeri U.Permian 

Youngoides see Youngina U.Permian 

Y. minor U.Permian 

Y. romeri 11 cm? U.Permian 

Youngopsis see Youngina 

Y. kitchingi 9 cm? U.Permian 

Y. rubidgei U.Permian 

Youngosuchus M.Triassic 

Y. sinensis see Vjushkovia sinensis Anisian 

Yunnania L.Jurassic 

Y. brevirostris L.Jurassic 

Yuzhoupliosaurus 4 m M.Jurassic 

Y. chengjiangensis 4 m M.Jurassic 

Zanclodon see Tanystropheus? U.Triassic 

Z. arenaceus 

Z. crenatus 

Z. laevis U.Triassic 

Z. schutzii 

Z. sp. U.Triassic 

Zapatadon L.Jurassic 

Z. ejidoensis L.Jurassic 

Zapatodon possibly Zapatadon? 

Z. sp. 

Zarcasaurus L.Permian 

Z. tanyderus L.Permian 

Zatomus U.Triassic

Kazakhstan 

Kazakhstan 

Canada 

Nova Scotia(Cnda) 

W USA 

Arizona?(US) 

Morocco 

d'Ahl al Oughlam(Morocco) 

S Africa 

S Africa 

Madagascar 

USA 

Colorado,Wyoming,Nebraska(US) 

Colorado(US) 

Florida(US) 

Nebraska(US) 

Wyoming(US) 

W USA 

Oklahoma(US) 

W USA 

New Mexico(US) 

Morocco 

Morocco 

Germany 

Italy 

Italy 

Mongolia,China 

Nei Monggol(China)Mongolia 

England 

England 

Range 

Adriatic Sea from Slovenia to Croatia 

Germany 

Germany 

S Africa 

S Africa 

W USA 


New Mexico,Texas(US) 

Argentina 

Argentina 

Italy,Greenland,Germany,USA 

New Jersey(US) 

Germany

Italy,Germany 

Germany 

France,China,Africa 

France 

Anhui(China) 

La Grive(FRA) 

Yugoslavia 

Yugoslavia 

Yugoslavia 

Wyoming(US) 

Mongolia 

Mongolia 

N & S America 

Venezuela 

Czech Republic 


Brazil,W Indies 

Bahamas 

Dominican Republic 

Puerto Rico 

Barbuda,British Leeward Islands 

Minas Gerais(Brz) 


NE Mexico 

Monterrey(Mexico) 

Australia 

Eurhinilla(AU) 

E USA 

Alabama(US) 

Germany 

Germany 

Austria 

Germany 

China 

Nei Monggol(China) 

China 

Djadochta(China) 

W USA 

Texas(US)

Texas(US) 

Oklahoma(US) 

W USA,Morocco 

Wyoming(US) 

Texas(US)Africa 

Wyoming(US) 

Wyoming(US) 

Wyoming(US) 

Texas(US)Africa? 

Morocco 

Angola 

Angola 

S USA,C & S America 


Europe,S Asia 

France 

France 

Poland,France 

England,Russia,Romania,France,Spain 

France 

France 


Belgium 

Germany 

China 

Anhui(China) 

Anhui(China) 

Anhui(China) 

W USA 

Arizona(US) 

India 

India 

Mexico 

Tlayua(C Mexico) 

W USA 

California(US) 

S Africa 

S Africa 

E USA,Mexico,W Indies 

Bahamas,Cuba

Barbuda,Antigua,British West Indies 

Florida,Georgia(US)Bahamas 

Puerto Rico 


Hispaniola 

Puerto Rico 


Florida(US)Bahamas,Hispaniola 


Mexico 

Cuba 

Puerto Rico 

Puerto Rico 

Cuba 

Puerto Rico 

Dominican Republic,Haiti 

Barbados 

Florida(US)Mexico,Bahamas,Cayman Islands,Cuba 

Florida(US) 

Wallingford Cave(Jamaica) 

Puerto Rico,barbuda,Bahamas,British West Indies 

Barbuda 

Germany 

Germany 

China 

Anhui(China) 

China 

Guizhou(China) 

S Africa,Tanzania,Russia 

Kotel'nich(Russia) 

S Africa 

Tanzania 

S Africa 



S Africa 

E USA 

Ohio(US) 

Ohio(US) 

N America 

Lebanon 

Lebanon

France 

France 

W USA 


W USA 

Wyoming(US) 


Europe 

W USA 

Texas(US) 

Texas(US) 

USA 

Illinois(US) 

USA 

Illinois(US) 

England,Siberia 

England,Siberia 

Canada,E USA 


Ohio(US) 

W USA 

Kansas(US) 

Canada 


Russia 

Vyazniki(Russia) 

China 

Xinjiang(China) 

Germany 

Germany 

Solnhofen(Germany) 

Germany 

Morocco 

Morocco 

Argentina 

Argentina 

Ischigualasto(Argentina) 

Dominican Republic,Haiti,Jamaica,Bahamas 

Dominican Republic,Haiti,Jamaica 

Jamaica 

Bahamas 

Jamaica

Germany 

Argentina,Chile,Antarctica 

Chubut,Patagonia(ARG),Chile,Antarctica 

Chile 

W USA 

Arizona(US) 

W USA 


W USA 

Wyoming(US) 

China,Mongolia 


Texas(US) 

W USA 


China 

China 

Switzerland,Italy 

Italy 

W USA 

Oklahoma(US) 

England 

England 

W USA 

Nevada(US) 

France 

France 

Morocco 

Morocco 

W USA 

Oklahoma(US) 

Mongolia 

Mongolia 

Bayan Mandahu(China) 

USA 

Ohio(US) 


W USA 

Wyoming(US) 

Wyoming(US) 

USA 



Madagascar 

Madagascar 

Mexico

Mexico 

Mongolia 

Mongolia 

Russia 

W Russia 

W Russia 

W USA 

Oklahoma(US) 

Germany 

Mexico 

Yucatan(Mxco) 

E Canada 

Prince Edward Island(Cnda) 

England 

England 


Germany 

Germany 

Germany 

Solnhofen(Germany) 

Germany 

USA 

Spain,Portugal,England 

Spain 

Portugal,England 

Russia 

Russia 

Belebey(Russia) 

Europe,N America 


Germany 

Germany 

Germany 

Germany 


Texas(US) 

Connecticut(US)

Italy 

Italy 

India 

India 

W USA 

Utah(US) 

China 

Sichuan(China) 

Morocco 

d'Ahl al Oughlam(Morocco) 

Germany 

Russia 

Russia 

Russia 

Spasskoe I(Russia) 

Russia 

Russia 

Russia 

W USA,E Europe 

Oklahoma(US) 

Texas(US) 

Texas(US) 

Texas(US) 

Texas(US) 

Komi(Russia) 

Russia 

Kolguyev Island(NW Russia) 

W USA 

Utah(US) 

N America 

N America 

Texas(US) 

S Africa 

S Africa 

England,Madagascar 

Madagascar 

Saratov(Russia) 

Scotland 

Scotland 

W USA 

W USA,N Africa? 

Texas(US)

S Africa 

S Africa 

S Africa 

S Africa 

S Africa 

S Africa 

S Africa 

S Africa 

S Africa 

S Africa 

S Africa 

S Africa 

S Africa 

S Africa 

S Africa 

Germany 

Germany 

Brazil,S Africa? 

Brazil 

Brazil 

W USA 

Arkansas(US) 

England 

England 

Madagascar 

S Africa 

S Africa 

Europe 

S Africa 

S Africa 

C Asia 

Russia 

Russia 

France 

France 

France 

Europe 

W USA 


Colombia 

Colombia

Europe 

W USA 


Argentina 

Buenos Aires(ARG) 

W USA 

Arizona,Texas(US) 

Brazil 

Brazil 

Germany 

Germany 

W USA 

Texas,Oklahoma(US) 


W USA 

Texas(US) 

W USA 

Oklahoma,Texas,New Mexico(US) 

Texas(US) 

Texas(US) 

Texas(US) 

Texas(US) 

Belgium 

Belgium 

Belgium 

Yugoslavia 

NW Yugoslavia 



France,W USA 

Texas(US) 

Texas(US) 

Texas(US) 

France 

W USA 

Texas(US) 

W USA 

Texas(US) 

Germany,Argentina

Germany,Argentina 

C America,W Indies 


Dairy Cave(Jamaica) 


N America 

N America 

E USA 

Ohio(US) 

Illinois(US) 

Texas(US) 

Switzerland 

Switzerland 

Switzerland 

Brazil 

Rio Grande do Sul(Brz) 

England 

England 

Argentina 

Argentina 

Morocco,Menorca 

a'Ahl al Oughlam(Mrcco) 

Menorca 

Argentina 

Argentina 

Russia 

Sol'iletsk(Russia) 

Europe,E Africa,N America 

Germany,Czech Republic 

Kenya 

N America 

Mongolia 

Mongolia 

W USA 


W USA,W Canada,Mexico 

Wyoming(US) 

Montana,Wyoming,New Mexico(US)Alberta(Cnda)Coahuila(Mxco) 

Wyoming(US) 

New Jersey(US)

W Canada,France, W USA 

Alberta(Cnda) 

Montana(US) 

Montana(US) 


Montana(US) 

N Dakota,Montana(US) 

Montana(US) 

Montana(US)Alberta(Cnda) 

Alberta(Cnda) 

Montana(US) 



Alberta(Cnda) 

Montana(US) 

N Dakota(US) 


N Dakota(US) 

S Dakota(US) 

Wyoming(US) 

N America 

Montana(US) 

Argentina 

La Rioja(ARG) 

Argentina 

Kirgizstan 

China 

China 

China 

Anhui(China) 

China 

Shandong(China) 

China 

Anhui(China) 

S Africa,E & S Asia 

S Africa,E & S Asia 

India 

S Africa 

India 

Shaanxi(China) 

S Africa


Russia 

Russia 

Russia 

Cis-Urals(Russia) 

Russia 

Russia 

W USA 

Texas(US) 

Germany 

Germany 

Germany 

Germany 

China 

Anhui(China) 

Anhui(China) 

Mongolia 

Mongolia 

Mongolia 

Mongolia 

China 

China 


W USA 

Arizona(US) 

Australia 

Italy 

Italy 

Australia,N America,Europe 

Maryland(US) 

New Zealand 

New South Wales(AU) 


New Jersey(US)

Orenburg(Russia) 

England 


Alabama(US) 

Australia 

Queensland(AU) 

Switzerland 

Switzerland 

S Africa 

Madagascar 

Madagascar 

N Carolina(US) 

USA 

Illinois(US) 

Texas(US) 

Texas(US) 

Texas(US) 

Pennsylvania(US) 

Texas(US) 

Illinois(US) 

Illinois(US) 

Texas(US) 

Illinois(US) 




England,Canada,China 


England 

Yunnan(China) 

England 

Yunnan(China)

Yunnan(China) 

USA,Sweden 




Alabama(US) 

Kansas(US) 

Alabama(US) 

Alabama,Kansas,Wyoming,Texas,Colorado,S Dakota(US)Manitoba(Cnda)Sweden 

Kansas(US) 

Kansas(US) 

Kansas(US) 

Kansas(US) 

USA,Mexico 

Kansas(US) 

Oklahoma,Texas(US)Tamaulipas(Mxco) 

Texas(US) 

Kansas,Nebraska,Florida(US) 

California,Arizona,New Mexico(US) 

Florida,Kansas,Texas,Missouri(US) 

Florida,Nebraska,Texas,California,New Mexico,Arizona(US) 

California,Nevada(US) 

W USA 

Texas(US) 

England 

England 

Germany 

Germany 

Russia 

Lipovaya(Russia) 

Europe 

Madagascar,Germany,England 

Madagascar 

W USA 

Arizona(US) 

S Africa 

S Africa 

W USA 

Oklahoma(US) 

W USA 

Texas(US) 

W USA 

Wyoming(US) 

Wyoming(US) 

S Africa 

S Africa

England 

Moscow(Russia) 

England 

Europe 

Jordan 

N America 

Europe,W USA 

Texas(US)England 

England 



Guangxi(China) 

Germany 

USA 

Wyoming(US) 

Wyoming(US) 

Wyoming,Montana(US) 


Wyoming(US) 

Russia 

Krasnie Baki(Russia) 

Lipovo(Russia) 

W USA 

Wyoming(US) 

N America 

Spain 

Spain 

Italy 

Italy 

W USA 

Oklahoma(US) 

Texas(US) 


China 

W USA 

Colorado(US) 

Colorado(US) 

Colorado(US) 

Germany 

Germany 

Mongolia

USA 

Texas,Kansas,Arizona,New Mexico,Nevada(US)Mexico 

Saskatchewan(Cnda) 

California,Nevada,Arizona(US) 

California,New Mexico,Nevada(US)Mexico 

Germany 

Europe 

England 

Cuba 

England 

Lyme Regis(England) 

England 

England 

England 

Ul'yanovsk(Russia) 

Mongolia 

Mongolia 

England,USA 

Wyoming(US)England,Portugal 

Wyoming(US) 

W USA 

Texas(US) 

N & C America 

Yucatan(Mxco) 

Yucatan(Mxco) 

Germany 

Germany 

Germany,W USA 

Germany


USA 

Texas(US) 

Ohio(US) 

Colorado(US) 

W USA 

Wyoming(US) 

Argentina 

Mendoza(Argentina) 

Germany,Italy,France,Israel 


France,Germany 

Germany 

Germany 

Germany 

Poland 

W Indies 

St Thomas Island 

Puerto Rico,Virgin Islands 

Puerto Rico 

Puerto Rico,Bahamas 

Germany,Poland,Austria,Israel 

Germany 

Germany 

Poland 

Germany 

Austria 

Germany 

Israel 

W USA,Switzerland,Germany 

Switzerland 

Germany 

Nevada(US) 

Nevada(US) 

Switzerland 

Nevada(US) 

Idaho(US) 

Mexico 

Tamaulipas(Mxco) 

W Canada


England 

S Asia,E Indies,S Pacific 

Mauritius 

Germany,Poland 


Hungary? 

Madagascar 

Madagascar 

China 

Liaoning(China) 

Mongolia 

Mongolia 

Scotland 

Scotland 

Russia 

Bashkortostan(Russia) 

W USA 

Oklahoma(US) 

W USA 


Mexico 

Yucatan(Mxco) 

Russia 


Russia 

W USA 

Texas,Arizona,New Mexico(US) 



Texas(US) 

W USA 

Colorado(US) 

China 

Lufeng(China) 

Lufeng(China) 

Lufeng(China) 

Argentina

Santa Cruz(ARG) 

Argentina 


Argentina 

Jujuy(ARG) 

W USA 

Utah(US) 

Ecuador 

Ecuador 

Mauritius 

Mauritius 

W USA 

Utah(US) 

W USA 

Wyoming(US) 

Wyoming(US) 

USA 

Texas(US) 

W Virginia(US) 

Texas(US) 

Texas(US) 

Texas(US) 

Texas(US) 

Texas(US) 

Oklahoma(US) 

Texas(US) 

Texas(US) 

Texas(US) 

Texas(US) 

Texas(US) 

Texas(US) 

Texas(US) 

Texas(US) 

Oklahoma(US) 

Texas(US) 

Texas(US) 

Texas(US) 

Texas(US) 

Texas(US) 

Texas(US) 

Texas(US) 


Texas(US) 


Oklahoma(US)

Texas(US) 

Texas(US) 

Texas(US) 

Ohio(US) 

Italy,England 

England 

Italy,England 

Cromhall(England) 

W Indies 

Puerto Rico 


E USA 


N America 

W USA 

Nebraska(US) 



E USA 

Germany 

Alabama(US) 

S Africa 

S Africa 

S Africa 


Wyoming(US) 

S Africa 

W USA 

Kansas,Wyoming(US) 

England,France 

France 

England 

Europe 

Russia,Sweden 

Voroshilovgrad(Russia) 

Kristianstad(Sweden) 

Russia 

Donguz(Russia) 

Russia 

Sol'Iletsk(Russia) 

Russia

Russia 

France 

France 

France 

France 

Russia 

Russia 


England,Portugal,W USA,Mongolia 

England 

England,Portugal 

Wyoming(US) 

N America 

Colombia 

Colombia 

France 

France 

France 

India 

N Italy 

N Italy 

England 

England 

Germany 

Germany 

W USA 

Oregon(US) 

Mongolia 

Mongolia 

Germany 

Germany 

E Canada 


W USA,Germany? 

Kansas(US)Germany? 

Kansas(US) 

W USA 

Texas(US) 

USA,Germany,Czech Republic 

Texas(US)

Texas(US) 


Germany 

Texas(US) 


Kansas(US) 

Texas(US) 



Texas(US) 


Texas(US) 

W USA 

Montana(US) 

Australia 

S Australia(AU) 

Germany 

Germany 

Germany 

Europe 

Germany 

Germany 

W USA 

Colorado(US) 

N America 

Spitsbergen 

Uzbekistan 

Uzbekistan 

Germany 

Germany 

S Africa 

N America,Russia 

Don(Russia) 

Kama(Russia) 

Kansas(US) 

Kursk(Russia) 

Kansas(US) 

New Jersey,Montana(US) 


N America 

Sakhalin(Russia) 

Penza(Russia) 

Wyoming(US)

Egypt 

W USA 


W USA 


S Africa, G Britain, Scotland 

Scotland 

G Britain 

S Africa 

S Africa 

Tennessee(US) 

Germany 

Germany 

S Dakota(US) 

Texas(US) 

S Africa 

S Africa 

Russia 

W Russia 

Italy 

Italy 

Russia 


France 

Russia 

E Russia 

W USA 

W USA 

Wyoming(US) 

W USA 

Wyoming(US) 

Wyoming,Colorado(US) 

Germany 

Geiseltal(Germany) 

Germany 

Germany 

Germany 

Russia 

Volga River Basin(Russia) 

Germany 

Germany

S Africa 

S Africa 

W USA 

Texas(US) 

Mongolia 

Mongolia 

Mongolia 

Mongolia 

S Africa 

W USA 


Mongolia 

Mongolia 

Mongolia 

Mongolia 

Morocco 

Beni Mellal(Morocco) 

England 

Vilyui(Russia) 

England 

Vilyui(Russia) 

Argentina 




Scotland 

Scotland 

Connecticut(US) 

S Africa 

S Africa 

Russia 

W USA 

Texas(US) 

Mongolia 

Mongolia 

Russia 

Khatangskii Gulf(N Russia) 

Scotland 

Scotland 

Germany 

Germany 

Texas(US)

N Africa,N America,Europe 

Morocco 

Nebraska(US) 

France 

Florida(US) 

Missouri,Maryland,Kansas,Florida(US) 

Florida(US) 

Florida(US) 


Kansas(US) 

Florida(US) 

Bermuda 

Nebraska(US) 

Texas(US) 

Texas(US) 

Texas,Nebraska,Kansas,New Mexico(US) 

S Dakota,Kansas(US) 


Florida(US) 

N Dakota(US) 


Nebraska(US) 

Nebraska,Florida,S Dakota,Kansas(US) 

Kansas,Texas(US) 

Texas(US) 

W USA 

Kansas(US) 

Kansas(US) 

China 

Shanxi(China) 

Shanxi,Inner Mongolia(China) 

S Africa 

S Africa 

S Africa 

S Africa 

S Africa 

France 

France 

France 

France 

France 

France 

England,Germany 

Germany 

England,Germany 

England

Europe 

England 

W USA 

France 

E USA 

Virginia(US) 

England 

England 

Russia 


W USA 

Wyoming(US) 

Wyoming(US) 

Montana,Wyoming(US) 

Wyoming(US) 

Colorado,Wyoming(US) 

Wyoming(US) 


Argentina 

Los Colorados(ARG) 

China 

Shanxi(China) 

Mongolia 

Mongolia 

W USA 


China 

Shanxi(China) 

China 


China 

China 

Yunnan(China)

S Africa 

S Africa 


Russia 

Komi(Russia) 

Russia 


Russia 

Russia 

Russia 

Russia 

Madagascar 

Aldabra 

Germany 

Germany 

Germany 

E Africa 

E Africa 

Russia 

Penza(Russia) 

France 

England 

England 

France 

France 

France 

Poland 

Poland 

Poland 

N America 

USA 

New Mexico,Montana,Colorado,Nebraska(US) 

New Mexico,Wyoming,Nebraska,Montana(US) 

California(US)


Kansas,Nebraska(US) 

Florida,New Mexico,Colorado,Texas,Wyoming,Nebraska(US) 


Nebraska(US) 

Kenya 

Kenya 

Kenya 

W USA 

Wyoming(US) 

Mongolia 

Mongolia 

W USA 

Texas(US) 

Slickstones(England) 

Mongolia 

Mongolia 

Europe,N America,SW Asia,N Africa,E Indies 

Niger,Jordan,Egypt 

Alabama(US) 

S Dakota(US) 

Jordan(US) 

Kansas(US) 

Jordan(US) 

N America 

Israel,Syria,Egypt,Angola,Brazil 

W USA 


Wyoming(US) 

Wyoming(US) 

Colorado(US) 

Wyoming(US) 

Colorado,Nebraska(US) 

Colorado(US) 


Montana(US) 

Wyoming(US) 

Wyoming(US) 

Colorado(US) 

Wyoming(US) 

Wyoming(US) 

Wyoming(US) 

Utah(US) 

S Dakota(US) 

Wyoming(US)

Wyoming(US) 


Mongolia 

Mongolia 

Mongolia 

Mongolia 

Mongolia 

Mongolia 

India 

India 

E USA 

Virginia(US) 

N America 

Mauritius 

Mauritius 

Nigeria 

Nigeria 

Germany 

Germany 

Argentina 

Argentina 

France 

France 

England 

England 

Spitsbergen 

Spitsbergen 

Argentina 

La Rioja(ARG) 

China 


Mongolia 

Mongolia 

Mongolia 


Israel 

Israel 

W USA 

Arizona(US) 

Belgium,France,Canada,Sweden 

Belgium,France 

France 

Manitoba(Cnda)

Sweden 

China 

Shanxi(China) 

Canada 


USA,Belgium,Peru,Morocco,Syria,Sweden 



Kansas(US) 

Belgium 

New Jersey,Maryland(US) 

Peru 

Jordan 

Sweden 

Kansas,Alabama(US) 

China 

Hubei(China) 

W USA 


W USA,England,France,Germany 

Colorado(US)France,Germany 

Kansas(US) 

Europe 

England 

Germany 

Europe 

Germany 



Wyoming(US) 


W USA 

Utah(US) 

Wyoming(US) 

Wyoming(US) 

Wyoming(US) 

W USA 

Nebraska(US)

Germany 

Germany 

Russia 

S Africa 

S Africa 

S Africa 

S Africa 

S Africa 

S Africa 

USA,France 

France 


Florida(US) 

Nevada(US) 

Texas(US) 

W USA,China 

Wyoming,Montana,Nebraska(US) 


S Dakota(US) 

Utah(US) 

Wyoming,Montana,S Dakota,Nebraska,Colorado(US) 

Switzerland 

Switzerland 

Africa,S Asia,Pacific,Mauritius 

Zanzibar 

Mauritius 

E Africa? 

Poland 

Germany 

Germany 

W USA 

Wyoming(US) 

Switzerland 

W USA 

Utah(US) 

Europe 

China 

Tibet(China) 

Mongolia

Mongolia 

Mongolia,Uzbekistan 

Uzbekistan 

Mongolia 

Colorado(US) 

W USA,Mexico 

Nebraska(US) 

Colorado,Kansas,New Mexico(US)Mexico 

Texas(US) 

Kansas(US) 

Kansas,Texas,New Mexico(US) 

N America 

New Jersey,S Carolina,Alabama(US) 

W Canada 


Kansas(US) 

Germany 

Germany 

Germany 

Germany 

Germany 

Germany 

Germany 

Germany 

Germany 

Germany 

Germany 

China 

Shanxi(China) 

Brazil 

Brazil 

Madagascar 

Madagascar 

S Africa 

S Africa 

China 

Shanxi(China)

Canada 

British Columbia(Cnda) 

Mexico 

Mexico 

China 

China 

Shanxi(China) 

W USA 

Nebraska,S Dakota,Wyoming(US) 

Austria 

W USA 


Canada 

hibia Index) 

Germany 


S Africa 

Scotland,G Britain,India,Brazil,Argentina,Tanzania,Zimbabwe,Canada 

Scotland 

Rio Grande do Sul(BRZ) 

India 

Argentina,Brazil 

Argentina,Brazil 

China 



Texas(US) 

W USA 

S Dakota,Colorado(US) 

Wyoming(US) 

Tanzania 

Tanzania 

W USA 


E USA 

New Jersey,Pennsylvania,Connecticut(US) 


E USA 


W USA

Kansas(US) 

Spain,Portugal 

Spain,Portugal 

E USA 



Europe,Greenland,N America 

Germany 

Germany 

Germany 


England 


Russia,England 

England 

England 

England 

England 


England 


Kursk(Russia) 

Germany 

England 

Germany 



England 

Germany 

Germany 

England 


Germany? 

France,England 

England 

Cuba

Germany 


Niger,Jordan 

Niger(material originally ascribed to Egypt), Jordan 

Mongolia 

Mongolia 

W Indies,S America 

Martinique,Lesser Antilles 

Italy 

California(US)Barbados 

Ecuador 

Anguilla(AWI) 

Jamaica 

Puerto Rico 

W USA 

Wyoming(US) 

Wyoming(US) 

Germany 

Germany 

Mongolia 

Mongolia 


Spain 

Spain 

Russia 

Kolguev(Russia) 

Mongolia 

Mongolia 

Madagascar 

Madagascar 

Madagascar 

Switzerland 

USA

S Dakota(US) 



Spitsbergen 

Spitsbergen 



Russia 

Rassypnaya(Russia) 

W USA 

Wyoming(US) 

Algeria 

Algeria 

Russia 

Koltaevo(Russia) 

Germany 

Germany 

Australia 

New South Wales,Queensland(AU) 

W USA 


New Zealand 

New Zealand 

Australia 



France 

Germany 

England,Russia 

Zheshart(Russia) 

England 

Petropavlovka(Russia) 

Berdyanka(Russia) 

China 

China 

Germany 

China 

Kenya 

Kenya 

Russia 


Mongolia,Russia 

Lake Gusinoe(Russia) 

Mongolia 

England 

England 

Russia 

W Russia

S Africa 

Germany 

Germany 

N America 


Madagascar 

Madagascar 

Australia,Colombia 

Colombia 


Australia 

New South Wales,Queensland(AU) 

Great Britain 

England 

Great Britain 

Great Britain 

China 

Yunnan(China) 

China 

W USA 

Texas(US) 


W USA 

Texas(US) 

Texas(US) 

Europe,Mediterranean,E Indies,N Africa,C Asia 

Aridos(Spain) 

Germany,Russia 

France 

France 

France 

Sicily 

Crete 


Poland,Hungary 

France 

England 

France 

France

Canary Islands 

France 

France,Germany,Spain 


Germany 

France 

France 

France 

Germany 

Germany 

France 

France 

Malta,Sicily 


Montaigu-le-Blin(FR) 

Cudmore Grove(England) 

Europe(widespread) 


Hungary,Romania,Sicily,Italy,Monaco 

Germany 

S Africa 

S Africa 

Mexico 

Yucatan(Mxco) 

Argentina 

Chanares(ARG) 

Argentina 

Chanares(ARG) 

Poland 

Poland 

Wyoming(US) 

Wyoming(US) 

N Italy 

N Italy 

N Italy 

Russia 

Mezen(Russia) 

Russia 

Arkhangel'sk(Russia) 

Russia 

E Russia 

France

France 

E Indies 

Spain,Italy,Switzerland,Austria 

Italy,Israel 

Italy 

Switzerland 

Switzerland 

Switzerland 

Israel 

Italy,Switzerland 


W Indies,N America 


Bahamas 

Barbuda 

Puerto Rico 

Martinique,Barbuda 

Jamaica 

Nebraska(US) 

Puerto Rico 


Nebraska(US) 

Florida,Wyoming,Nebraska(US)Cuba 

Nebraska(US) 

G Britain,Holland,N America 

England 

Holland 

Mauritius 

Mauritius 

Mauritius 

Argentina 

Mendoza(ARG) 


Mexico 

Yucatan(Mxco) 


Mongolia

USA 

Montana(US) 

Wyoming,Montana,New Mexico(US) 

Wyoming(US) 


W USA 


Europe,Australia,S Africa 

S Africa 

W Australia(AU) 


England 

W USA 

Kansas(US) 

England 

England 

England 

England 

Scotland 

Scotland 

Europe 

Germany,France 

Germany 

England 


Russia 

Germany 

Texas(US) 

Texas(US) 

Texas(US) 

Texas(US) 

Russia 

Lestanshor(Russia) 

W USA 

Wyoming(US) 

Wyoming(US) 

Wyoming(US) 

Kansas(US) 

Canada 

Alberta(Cnda) 

Russia 

Kursk(Russia) 

Argentina 

Argentina

W USA 

Texas(US) 

W USA 

Texas(US) 

France 

France 

Lesotho 

Wyoming(US) 

France,Netherlands,E USA 

England 

Alabama(US) 

France 

Germany 

Alabama(US) 

France 


New Jersey(US)Netherlands 

Europe,S America,N America? 

England,France,Russia 

England,Argentina,N America 

England 

England 

Chuvashia(Russia) 

Portugal 

Portugal 

Portugal 

W USA 

Wyoming(US) 

Wyoming(US) 

Kirghizia 

Kirghizia 

Italy 

W USA 

Texas,New Mexico(US) 

Germany

Germany 

China 

Hunan(China) 

W USA 


N America 

Russia 

China 

Yunnan(China) 

W USA 

Texas(US) 

Texas(US) 

Argentina 

Argentina 

Zanzibar 

Zanzibar 

Africa 

Kenya 

N America 

Puerto Rico,Madagascar,Aldabra 

Puerto Rico 

Aldabra 

USA 

England 

Canada 


Arizona(US) 

Arizona(US) 

W USA 


Wyoming(US) 

Colorado,Wyoming,Nebraska(US) 

Montana,Wyoming,New Mexico(US) 

Mongolia 

Mongolia

Mongolia 

Mongolia 


Germany 


Europe 

Russia 

Mezen(Russia) 



Italy 

Italy 

Mascarene Islands 

Russia 


England 

England 

England 

Europe,S America 

W USA 

S Dakota(US) 



USA 


Germany 

W USA,India 

Texas(US) 

India 

Russia 

Cis-Ural(Russia) 

Tanzania 

Tanzania 

Argentina 

Argentina 

Argentina

Neuquen(ARG) 

England 

New Zealand 

England 

New Zealand 

Germany? 

Germany? 

Italy 

Italy 

Australia 

Queensland,S Australia,New South Wales(AU) 


W USA 

Wyoming(US) 

Wyoming(US) 

Germany 

Belgium,W USA,France 

Wyoming(US) 

Wyoming(US) 

Belgium,France 

USA 


W USA 

Wyoming(US) 

Wyoming(US) 

W USA 


Russia 

Mezen(Russia) 

S Asia 

Europe 

Germany 

Germany 

signed to Paleorhinus 

S Africa,Brazil 

Brazil 

S Africa 

S Africa 



S Africa 

S Africa

E Asia 

Japan? 

Texas(US) 

Spain 

Spain 

Europe 

Europe 

England 

Russia 

Vologda(Russia) 

Russia 

Austria 

Austria 

Russia 


S Africa 

S Africa 

S Africa 

Switzerland 

Switzerland 

S Africa 

S Africa 

S Africa 

S Africa 

S Africa 

S Africa 

S Africa 

S Africa 

S Africa 

S Africa 

S Africa 

S Africa 

S Africa 

S Africa 

S Africa 

S Africa 

E USA 

Illinois(US) 


Djadochta(China)


Mongolia 

China 

China 

E Asia 

China 

Yunnan(China) 

Europe,China,New Zealand 

Germany,France,Poland 

Italy,Switzerland,China 

Switzerland 

Spitsbergen 



Spitsbergen 

Canada 

Switzerland 

New Zealand 

New Zealand 

Argentina 

Neuquen(ARG) 

Mongolia 

Mongolia 

E Asia 

China 



Niger,Madagascar 

Niger 

Niger 

Niger 

W USA 


Antarctica 

Antarctica 

Mongolia 

Mongolia 

Europe,N America,Japan,New Zealand 

Germany 

Egypt,Morocco 

Netherlands 

Egypt,Jordan 

Alabama(US) 


Netherlands 


New Jersey,S Dakota(US)

Don(Russia) 

New Zealand 


Japan 

Alabama(US)Netherlands,Belgium,Turkey,Poland,Bulgaria,Niger,Congo 

Angola 

Kansas(US)Sweden 

New Zealand 

New Jersey,Texas(US) 

Alabama,Georgia(US) 

S Dakota(US) 


New Zealand 


S Dakota(US) 



Europe,W Indies,S America 

England 


Kama(Russia) 

England 


S America? 

England 

W USA 

Texas(US) 

Colorado(US) 

Argentina

S Africa 

S Africa 

S Africa 

W USA 

Kursk(Russia) 

Wyoming(US) 

Germany,Italy 

Germany,Italy 

Germany 

Germany 

China 

China 

England 

England 

S Africa 

S Africa 

S Africa 

S Africa 

S Africa 

W USA 

Wyoming(US) 

W USA 

Texas(US) 

Texas(US) 

Texas(US) 


Germany,France,Switzerland,Belgium,England 

France 

Germany 

France,Switzerland,Belgium,England 

E USA 


W USA 


Israel 

Israel 

Argentina 


Russia 

Penza(Russia)

China 


France 

France 

Germany,Italy,Switzerland 

Italy 

Switzerland 

Germany,Switzerland,Italy 

France,Germany,Switzerland,Austria 


Austria 

Germany,USA,India 

W USA 

Texas(US) 

Utah(US) 

Texas,Arizona(US) 

Germany 

India 

Germany 

Texas(US) 

Germany 

Texas(US) 


W USA 


S Africa 

S Africa 

S Africa 

W USA 

Nebraska(US) 

S Africa 

S Africa 

S Africa 

S Africa 

Germany,SW Asia 

Germany 

Germany 

Netherlands 

Germany

Spain 

Germany 

Germany 

Israel 

Germany 

Germany 

Germany 

France 

Germany 

Germany 

Germany 

Germany 

Israel 

Israel 

Kweichou(China) 

Germany 

Netherlands 

Australia 


Europe,Africa 

Europe,Zanzibar? 

Russia 

Belebey(Russia) 

Russia 

Chirki(Russia) 

Russia 

Russia 

Russia 

W Russia

France 

France 

Argentina 

Mendoza(ARG) 

W USA 


Wyoming(US) 

Wyoming(US) 

Wyoming,Colorado,Montana(US) 

Wyoming,Colorado(US) 

Texas(US) 


W USA 

Wyoming(US) 

W USA 


W USA 

Kansas(US) 

Nebraska,Kansas(US) 

W USA 


Wyoming(US) 

N America 

Brazil 

France 

France 

N America 

Spitsbergen,N America 

Germany 

Nevada(US) 

Nevada(US) 

Spitsbergen 

Germany 

Germany 

Yugoslavia 

Yugoslavia 


Ohio(US) 


Kansas(US) 

Texas(US) 


New Mexico(US)

Texas(US) 

Texas,Ohio(US) 

Texas(US) 

Texas(US) 

Texas(US) 

W USA 

Texas(US) 

Germany 

Germany 

Germany 

Germany 

France,Germany,USA,Canada,SW Asia 

Germany 

Kansas,Oklahoma(US) 

France 


Sansan(France) 

Florida(US) 


Germany 

Morocco 

France 

Germany 

Hungary,Austria,Poland,Czech Republic,Russia,Romania 

Switzerland 

France 

Germany 

Florida,Texas(US)England,Belgium,Spain,Turkey,France 

Bardenas Reales(Spain) 

Nebraska(US) 


Florida,Nebraska,Kansas,Missouri(US) 

Germany 

W USA 

Norway,England,W USA,Russia,Argentina 

England 

Wyoming(US) 

England 

Neuquen(ARG) 

Wyoming(US) 

Neuquen(ARG) 

Wyoming(US) 

Russia 


W USA

Wyoming(US) 

Wyoming(US) 

Madagascar 

Aldabra Atoll 

Russia 

Nikolaya(Russia) 

Lipovskaya(Russia) 

Scotland,Lesotho 

Scotland 

Lesotho 

Scotland 

Scotland 

Europe 

N America 

W USA 

Texas(US) 

W USA 

Texas(US) 

W USA 

Wyoming(US) 

Wyoming(US) 

Wyoming(US) 

Russia 

Volga Region(Russia) 



S Africa 

S Africa 

S Africa 

S Africa 

Uzbekistan 

Uzbekistan 

Europe 

England 

England 

China 


Europe



Italy 

Germany,England 


China 

Yunnan(China) 

N Africa 

India 

India 

S Africa 

S Africa 

S Africa 

S Africa 

N America 

France 

USA 



Texas(US) 

Texas(US) 

Germany 

Germany 

Germany 

Germany 

Germany 

Germany 

USA,Canada 

Wyoming(US) 

Wyoming,Montana,New Jersey(US)Alberta(Cnda) 

Wyoming(US) 

Wyoming(US) 

Europe 


W USA 

Colorado(US)

USA,W Canada 



Wyoming(US) 

Wyoming(US) 

Montana,Wyoming,New Mexico(US) 


Wyoming(US) 

Florida(US) 

W USA 

Wyoming(US) 

W USA,Morocco,India,Austria,Germany 

Germany 

Wyoming,Texas(US) 

Germany 

Texas(US),Africa 

Germany 

India 

Germany 

Morocco 

Germany 

Wyoming(US) 

Texas(US) 

Texas(US) 

Texas,Wyoming,New Mexico(US) 

Germany 

Canada,Europe 


USA 

Florida(US) 

S Africa,France? 

S Africa 

E Africa 

Mexico 

Tlayua(Mxco) 

W USA 

Montana(US) 

Montana(US) 

Europe 

Germany 

N America(some sources cite Europe,Africa also) 

Wyoming(US)

China 

Shanxi(China) 

Russia 

W USA 

Texas(US) 

W USA 


Scotland,India 

India 

India 

W USA 


N America 

Wyoming(US) 

Mexico 

Guanajuato(Mxco) 

W USA 

Nebraska(US) 


W USA 

Utah(US) 

Utah(US) 

W USA 


Colorado(US) 


Colorado(US) 

Wyoming(US) 



England,W USA 


Wyoming(US)England 

Wyoming(US) 

Utah(US) 

Mongolia 

Mongolia 

Italy,Switzerland,Germany 

Europe 

Russia 



Saratov(Russia)

Ul'yanovsk,Mosco(Russia) 

W USA 

Colorado(US) 

Switzerland 

Switzerland 

W USA 

Montana(US) 

Wyoming(US) 

Germany 

Germany 

Germany 

W USA 

Wyoming(US) 

Montana,Wyoming,Colorado(US) 


W USA 

Wyoming,California(US) 

Germany 

Germany 

Europe,India,N & S America,Madagascar 

India 

W USA,Germany,Greenland 

W USA,Germany,Greenland 



Mongolia 

Mongolia 

Mongolia 

Mongolia 

Switzerland 

Switzerland 

E USA 


S Africa,Zambia,Tanzania,N Russia 

Brazil 

Dvina(Russia) 

Dvina(Russia) 

Dvina(Russia) 

Zambia,S Africa 

S Africa 

S Africa 

S Africa 

S Africa 

S Africa

S Africa 

S Africa 

S Africa 

S Africa 

S Africa 

Dvina(Russia) 

Europe,Africa 

Zambia,S Africa 

S Africa 

Madagascar 

Aldabra 

W USA 

Texas(US) 

Texas(US) 

Texas(US) 

Texas(US) 

W USA 


W USA 

Wyoming,Nebraska,Colorado,S Dakota(US) 

Tanzania 

Tanzania 

Austria 

Austria 

Austria 

Austria 

Mongolia 

Mongolia 

Canada 


England 

England 

Lesotho

England 

England 

England 

England 

Russia 

England 

USA,Canada 

Nebraska(US) 

S Dakota(US) 

Florida(US) 

Wyoming,Nebraska,N & S Dakota,Colorado,Florida(US) 

Wyoming(US) 

Nebraska(US) 

Wyoming(US) 

Florida(US) 

Montana(US) 

N Dakota(US) 

S Dakota(US) 

Wyoming(US) 


W USA 

Montana,Texas,Utah(US) 

Utah(US) 

China 

China 

Europe 

Spitsbergen 

Spitsbergen 

Spitsbergen 

Spitsbergen 

Alberta(Cnda)Spitsbergen 

Spitsbergen 

Germany 

W USA 

Kansas(US) 

S Africa 

S Africa 

N America 

S Africa 

S Africa 

Russia 

Spasskoe(Russia) 

W USA,Spitsbergen 

Nevada(US) 

Nevada(US)Spitsbergen 

Mascarene Islands

Mauritius 

Mauritius 

Rodriguez Island 

Aldabra 

Italy 

USA 

Russia 

Baskir(Russia) 

W USA,Mexico 

Colorado(US) 

Kansas(US) 


Wyoming(US) 

Kansas,Texas,New Mexico,Arkansas,Nebraska(US) 


S Dakota,New Mexico,Nevada,Texas(US) 

Colorado(US) 

Kansas(US) 

Mexico 

Kansas(US) 

Mexico 

Nevada(US) 

Arkansas(US) 


Hidalgo(Mxco) 

Nebraska(US) 

Mongolia 

Mongolia 

Europe 

Switzerland? 



Australia 


Germany,W USA 


Germany 


Germany 

Texas(US) 


Europe 


Germany

USA 




Mongolia 

Mongolia 

W USA 


Germany 

Germany 

Italy 

Italy,Hungary 

Italy 

Italy 

Hungary 

Italy 

Italy 


Germany 

Germany 

Germany 

Germany 

Germany 

Germany 

Germany 

Germany

England,Switzerland,Germany,France,China,Mongolia 

France 

France 

France 

France 

France 


France 

France 

Honan(China)Switzerland,France,England 

Germany 

Germany 

Germany 

G Britain 

England 

USA, Angola, France,Sweden 

Kansas(US) 

Kansas(US) 

Angola 

Texas,S Dakota,Alabama(US)France,Sweden 



Kansas(US) 

Wyoming,Kansas,Alabama(US) 

Alabama(US) 

Kansas(US) 

Kansas(US) 

Kansas(US) 

Jordan 

France,Sweden 

Kansas(US) 

Kristianstad(Sweden) 

Kansas(US) 

Kansas,Mississippi(US) 

S Africa 

Europe,Australia,N America 

Wyoming(US) 




Ul'yanovsk(Russia)

Kursk(Russia) 



W USA 

Colorado(US) 

Colorado(US) 

Colorado(US) 

England,France,Belgium,Germany 

England,France,Belgium 

Germany 

W USA 

Wyoming(US) 

W USA 


Europe,W USA 

New Zealand 

England 

Germany 

S Africa 

Chile 

England 

New Zealand 

England

nsi 

England 

Germany 

G Britain 

Penza(Russia) 


New Zealand 

New Zealand 

Lonely Island(Russia) 


New Zealand 

England 

England 


Jordan 

Crimea 

New Mexico(US)


England 


France 

New Zealand 

W USA 


W USA 

Oklahoma(US) 




France 

Germany 

Belgium,W N America 

Kansas(US)


Belgium 

Belgium 

S Dakota(US)Saskatchewan(Cnda) 

Europe,E & C Asia,S America 

England 


England 


England 


Argentina,England,N America 

England 

Chuvashia(Russia) 

England 

England 

England 





Niger,Nigeria 

Niger,Nigeria 

Russia 


W USA 

Texas(US) 


W USA 

Texas(US) 

Mongolia 

Mongolia 

N America 

Russia 

Don(Russia) 

Voronezh(Russia)

Voronezh(Russia) 

Kansas(US) 

Kansas(US) 


New Zealand 

Penza(Russia) 

W USA,Mexico 

Baja(Mxco) 

Utah(US) 

Utah(US) 

E USA 



Mexico 

Canada 

Alberta(Cnda) 

Germany 

Germany 

Europe 

W USA 

Wyoming(US) 


W USA 

Texas(US) 

Brazil 

Rio Grande do Sul(Brazil) 


Brazil 

S Africa 

W USA 

Utah(US) 

Wyoming(US) 

Argentina 

Argentina 



Brazil 

Minas Gerais(BRZ) 

Europe

Brazil 


S Africa,Antarctica,Australia,Brazil 

S Africa 

Brazil 

Antarctica,S Africa 


S Africa,Antarctica 

S Africa 

Mongolia 

Mongolia 

Russia 

W USA 

Colorado(US) 

USA,New Zealand,France,Israel 

Zaire 

N Dakota(US) 

Kansas(US) 

Israel 

France,Belgium,Egypt,Israel,Syria,Angola 

S Dakota(US) 


Netherlands 

Belgium 

Colorado(US) 

New Zealand 

Europe 




China 


W USA 

Poland 

Austria 

Poland 

Poland 

S Africa

Mongolia 

Mongolia 

Italy 

Italy 

Brazil,Argentina 

San Juan(ARG) 

Brazil 

India,China,S Africa 

S Africa 

S Africa 

S Africa 

China 

W USA,Rhodesia 

Texas(US) 

Rhodesia 

Canada 


Europe 

England,Germany,France 

England,Germany,France 

Argentina 

Argentina 


England 


W USA 

Texas(US) 

E USA 


W USA 

Wyoming,California,Montana(US) 

Wyoming(US) 


W USA 

Wyoming,Utah(US)

Montana(US) 

Wyoming,Montana,Utah(US) 

Wyoming(US) 



Texas(US) 

Europe 

Germany,Italy 

England 


Israel 

Israel 

Egypt 

Egypt 

Ceratiles Beds(Israel) 

Germany 


France 

France 

Germany 

France,Belgium 

France 

France 

France,Belgium 

Argentina 

Chanares(ARG) 

W USA 

Arizona(US) 

W USA 

Arizona,New Mexico(US) 

W USA 

Wyoming(US) 

England,USA 

Utah(US) 

England 

England 

Austria 

Austria 

Austria 

S Dakota(US) 

W USA 

Oklahoma(US)

W USA 

W USA 



China 


China 

Anhui(China) 

India 

India 

China 

Brazil 


India 

India 

W USA 

W USA 


W USA 


W USA 

Wyoming(US) 

Texas(US) 

USA 

Brazil 

Brazil 

Austria 

Austria 

USA 

Colorado(US) 

Wyoming(US) 

Colorado(US) 

Florida(US) 

S Dakota,Nebraska,Colorado(US) 

Colorado(US) 

Nebraska(US) 

S Dakota(US) 

Wyoming(US) 

Wyoming(US) 

Colorado(US) 

Russia 

Simbirsk(Russia)

Russia 

Simbirsk(Russia) 

Kansas(US) 

W USA 

Russia 

Russia 

N Russia 

France 

France 

England 

England 

England 

England 

England 


England 

England 

England 

England 

England 

England 


England 


Russia 


New Zealand 

New Zealand 

New Zealand 

New Zealand 

England 

England 

Argentina 


Russia 

W USA 

Texas(US) 

Texas(US) 

W USA 


W USA 

Texas,Oklahoma(US)

Morocco 

W USA 


Germany,Asia,USA,Canada 

Arizona(US) 

New Mexico(US)Europe,Asia 


N Carolina,Arizona,Pennsylvania,New Jersey(US)Nova Scotia(Cnda) 


Texas(US) 

Arizona(US) 

Texas(US) 



Arizona(US) 



Arizona(US) 






New Jersey,Connecticut(US)Germany,Switzerland 



New Mexico,Connecticut,Arizona(US) 

Arizona(US) 

Japan 

Japan 

Scotland 

Russia 


China 


China 

Switzerland 

W USA,Germany 

Wyoming(US) 


Wahlbeck(Germany) 

Wyoming(US) 



Wyoming(US) 

Wyoming(US) 

Wyoming,New Mexico(US)

Germany 

Wyoming(US) 

Wyoming(US) 

Wyoming(US) 

Belgium 

Wyoming,Utah(US) 

Wyoming,New Mexico,Colorado,Nebraska(US)France 

Mongolia 

Mongolia 

China 


France 

France 

Russia 


France 

Wyoming(US) 

Wyoming(US) 

England,Portugal 

Portugal 

Portugal 

Germany,England,Portugal 

Germany,England,Portugal 

W USA 

Texas,Wyoming(US) 

Texas(US) 

W USA 

Arizona,California,Nevada(US) 

France 

France 

Germany 

Germany 

S Africa 

S Africa 

Poland 

Poland 

S Africa,Poland? 

S Africa 

Argentina 

Ischigualasto(ARG) 

Ischigualasto(ARG)

Sweden,Russia? 


Brazil,India,Argentina 

Brazil 

Argentina 

Brazil 

USA,Canada,Mexico 



Arizona,New Mexico(US)Saskatchewan(Cnda) 

Texas(US) 




Zumpango(Mxco) 


Chihuahua(Mxco) 


Texas(US) 

Texas(US) 

Kansas(US) 

Hidalgo(Mxco) 

Nebraska(US) 

W USA (widespread),Mexico 

Texas to Maryland(US) 

Texas(US) 

Aldabra 

Aldabra 

Russia 

Russia 

Russia 

W USA 

Scotland 

Scotland 

Switzerland 

Switzerland 

W USA 


Canada 


Russia

Dvina(Russia) 

Dvina(Russia) 

Dvina(Russia) 

Dvina(Russia) 


Sokolki(Russia) 

Russia 

Donskaya(Russia) 

W USA 

Texas(US) 

Texas(US) 

Texas(US) 

Texas(US) 

Germany 

Germany 

Germany 

E USA 

Alabama(US) 

Switzerland 

Switzerland 

China 

Shanxi(China) 

China 

Shanxi(China) 

Shanxi(China) 

Shanxi(China) 

Kirghizia 

Kirghizia 

Kazakhstan 


California(US)Sonora(Mxco) 



Austria 



Germany 

Dyugadyak(Russia) 




Iganii(Russia) 

Monte San Giorgio(Italy) 

China 

Xinjiang,Shanxi(China) 

China

Kweichou(China) 

Mongolia 

Mongolia 

W USA,China 

Nevada(US) 

Nevada(US) 

Nevada(US) 

Tibet(China) 

W USA 


England 

England 

Argentina 


Switzerland 

Switzerland 

Russia 



W USA,Europe 

N Dakota(US) 

France,England,India,Africa 

India 

France 

Africa 

England 

Germany,France,Austria 

Austria 


France 

China 


China 


China 

China 

N America 

Mongolia 

Mongolia 

Germany 

W USA 

W USA 

Canada 

Alberta(Cnda)

W USA 

Wyoming(US) 

Wyoming(US) 

Puerto Rico,Bahamas 


Puerto Rico 

Cuba 

Cuba 

USA,England 

England 



New Zealand 

New Zealand 


Czechoslovakia 

N America 

USA 


W USA 

Kansas(US) 

W USA 

Texas(US) 

S Africa 

S Africa 

S Africa 

Russia 



Scotland,Argentina,W USA 

Scotland 



Tanzania 

Tanzania 

Tanzania 

Tanzania 

New Jersey,Connecticut(US) 




Israel 

Israel

Tanzania 

Tanzania 

Tanzania 

Europe 

Germany,Canada 

Germany 

Germany 

Germany 

Germany 

Germany 

Germany 

British Columbia(Cnda)Germany 

Germany 

Germany 

W USA 

Texas(US) 

France 

France 

France 

France 


Brazil 

Brazil,S Africa 

England 

England 

England 

England 

China 

Russia 


W USA 

Wyoming(US) 

Kansas,S Dakota(US) 

Kansas(US) 

Europe 

E USA 




Germany 

Germany


Argentina 

Rio Negro(ARG) 

Spitsbergen 

Spitsbergen 

W USA 



New Mexico,Wyoming(US) 

Wyoming(US) 

China 

Shanxi(China) 

Mexico 


Russia 

Russia 

Madagascar 

Madagascar 

New Zealand 

New Zealand 

New Zealand 

Germany,Switzerland,Italy,Poland,Israel,Netherlands 

Germany,Netherlands 

Germany,Switzerland,Italy,Poland,Israel 

Italy 


Switzerland 

Germany 

E USA 



E USA 


Canary Islands,Bahamas,Cuba 

Bahamas,Cuba 

Argentina 

La Rioja(ARG) 

Australia,Tasmania 

Tasmania 

Wyoming(US) 

S Africa 

Mongolia

Mongolia 

Mongolia 

Mongolia 

China 

Manchuria(China) 

Argentina 

Argentina 

Argentina 

E Africa 

Scotland 

Scotland 

Mongolia 

Mongolia 

Europe 

England 

England 

England 

Mexico 

Tepexi de Rodriguez(Mxco) 

Canada 


S Africa 

S Africa 

Germany 

Germany 

Germany 

W USA 


Europe 

Canada 


W USA 

W USA 

Nebraska(US) 

Madagascar 

Madagascar 

Thailand 

Thailand 

England 

England 

W USA 

Kansas(US) 

W USA

Colorado(US) 

Colorado(US) 

W USA 

Kansas(US) 

Kansas(US) 

USA 


Germany 


England 


Germany 

Antigua(Lesser Antilles) 

Yucatan(Mxco)Barbuda 

S Africa 

S Africa 

S Africa 

S Africa 

S Africa 

S Africa 

S Africa 

S Africa 

S Africa 

S Africa 

S Africa 

S Africa 

S Africa 

W USA 

Wyoming(US) 

W USA 

Texas(US) 

Texas(US) 

Texas(US) 

Texas(US) 

Texas(US) 

W USA 

Texas(US) 

W USA 

Texas(US) 

Germany

Germany 

W USA 

Oklahoma(US) 

Germany 

Germany 

China 

Tibet(China) 

Russia 

Vakhnevo(Russia) 

Russia 

Okunevo(Russia) 



Brazil 

Brazil 

India 

India 

Australia 

Russia 

Mezen(Russia) 

Morocco 

Morocco 

W USA,Europe,China,Mongolia 



Anhui(China) 

Belgium 

Wyoming(US) 

Henan(China) 


Belgium 


W USA 

Texas(US) 

W USA 



W USA 

Montana(US) 

Germany

Germany 

Australia 


Australia 

Europe 

Italy 

Italy 

USA 

Texas(US) 

Texas(US) 

England 

Wyoming(US) 

England 

Great Britain 

England 

Italy 

Italy 

W USA 


Arizona(US) 

Arizona(US) 

USA,Canada 

Kansas(US) 

Kansas(US) 

Wyoming(US) 

Manitoba(Cnda) 

Morocco 

Morocco 

Europe 

Russia 

Donskaya(Russia) 

Cherepanka(Russia) 

Mechet(Russia) 

Russia 

Argentina,New Zealand 

Jaguel(ARG) 

New Zealand 

Argentina,Colombia,Brazil 

Colombia

Entre Rios(ARG) 


Colombia,Brazil 

Bolivia 

China 


Shanxi(China) 

Antarctica 

Antarctica 

USA,New Zealand 

Kansas(US) 

Kansas,New Mexico(US) 

New Zealand 

Kansas(US)Sweden 


Kansas(US) 

Kansas(US) 

Alabama(US) 

Texas,Colorado,Kansas,Alabama(US) 


Kansas(US) 


Alabama,Texas?(US) 

W USA 

Arizona,New Mexico,Utah(US) 

New Mexico,Arizona(US) 

Texas(US) 


USA 

Virginia,Arizona(US) 

Russia 




Russia 

Karagachka(Russia) 

France,Crete 

France 

Crete 

N America 

W USA 

Arizona(US) 


W USA

California,Arizona,Nevada,New Mexico(US) 

British Columbia(Cnda)Japan 

Japan 

Italy 

Italy 

W USA 

Oklahoma(US) 

W USA 

Texas(US) 

W USA 

Texas(US) 

Texas(US) 

Texas(US) 

Europe,Africa,Asia,Australia 

Java 

Billa Surga(India) 

France,Spain 

Australia 


Germany 

Flores Island(Lesser Sunda Islands) 

France 

Greece,Hungary,Turkey,Italy 

Togo,USA? 

Kenya 

India 

France,Kazakhstan,Spain,Australia,India,Timor 

Great Britain 

England 

Argentina 

Argentina 

Argentina 


Cuba 

Cuba 

Russia 

Lipov(Russia) 

China,Russia) 




Russia


Russia 

Spasskoe(Russia) 

Russia 


China 

Shanxi(China) 

Canada 


Germany 

Germany 

Scotland 

Scotland 

Switzerland 

Switzerland 

W USA 

Kansas(US) 

Texas(US) 

Texas(US) 

Australia 



W USA,Mexico 



Russia 

Russia 

E USA 

Virginia(US) 

USA 

Europe,W USA 

Germany 

Colorado(US) 

Wyoming(US) 

Wyoming(US) 

Wyoming(US) 

Wyoming(US) 

Colorado(US) 

Wyoming(US) 

Colorado(US) 


Switzerland 

Wyoming(US) 

Germany 

China 

Nei Monggol(China)

China 

Shanxi,Shaanxi(China) 

W USA 

Kansas(US) 

China 



Colombia 

Colombia 

Russia 





China 

Tongchuan(China) 

S Africa 

S Africa 

S Africa 

S Africa 

S Africa 

S Africa 

S Africa 

S Africa 

China 


China 

Lufeng(China) 

China 

Sichuan(China) 

Germany,USA 

Germany 

Germany 

USA 

Mexico 

La Boca(Mxco) 

W USA 


N America

Ablepharus L.Pleistocene - Angellis

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