SMITHSONIAN CONTRIBUTIONS TO ZOOLOGY • NUMBER 543 ...

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128 DIAGNOSIS.—Rostrum with strong, anteriorly dentate median ventral carina in distal '/2; maximum postorbital carapace length 5.3 mm. RANGE.—Madagascar, Japan, and Indonesia, and eastern Australia. Plesiopontonia Bruce, 1985 Plesiopontonia Bruce, 1985b:248 [type species, by monotypy: Plesiopontonia monodi Bruce, 1985b:25O; gender: feminine]. DIAGNOSIS.—Rostrum overreaching anteriorly extended eyes, compressed laterally, armed both dorsally and ventrally, lateral carina not expanded laterally into broad supraocular or postocular eave; carapace subcylindrical, dorsal profile faintly and sinuously convex, none of teeth of dorsal rostral series extending onto gastric region, anterior margin not produced posteroventrally as prominent convex lobe, not deeply concave (notched), without longitudinal branchiostegal suture, with antennal spine, without hepatic spine, orbit not sharply defined; abdomen with pleuron of 5th somite subquadrangular; telson not curving ventrad, posterior margin not incised, median and submedian spines not curving ventrad, dorsolateral spines not robust; antennal scale well developed; mandible without palp; 3rd rnaxilliped with exopod; 4th thoracic stemite without slender median process; 1st pereopod with carpus entire, not subdivided; 3rd pereopod composed of 7 segments, merus and ischium not fused, dactyl not bearing hoof-shaped protuberance, not clearly biunguiculate; uropod with lateral branch probably bearing 1 movable spine flanked by acute tooth. RANGE.—Philippines. REMARKS.—Only one species is known. 165. Plesiopontonia monodi Bruce, 1985 Plesiopontonia monodi Bruce, 1985b:25O, figs. 13-17 [type locality: Balayan Bay, southwestern Luzon, Philippines; 13°49.6'N, 12O°51.OIL; 299-320 m]. DIAGNOSIS.—Characters of genus; postorbital carapace length 4.4 mm. RANGE.—Known only from the unique male holotype from Balayan Bay, Luzon, Philippines; possibly associated with bivalve mollusk Acesta. Pliopontonia Bruce, 1973 Pliopontonia Bruce. 1973b:97 [type species, by original designation: Pliopontonia furtiva Bruce. I973b:99; gender: feminine]. DIAGNOSIS.—Rostrum barely overreaching anteriorly extended eyes, if at all, compressed, dentate dorsally, unarmed ventrally, not expanded laterally into broad supraocular eave; carapace somewhat depressed, dorsal profile nearly straight, anterior margin strongly produced anteriorly as prominent convex lobe separated by sinus from suborbital angle, without longitudinal branchiostegal suture, with strong submarginal antennal spine overreaching suborbital angle, without supraorbital or hepatic spines, orbital margin indistinct posteriorly; SMITHSONIAN CONTRIBUTIONS TO ZOOLOGY abdomen with pleuron of 5th somite rounded; telson not curving ventrad, posterior margin not incised, median and submedian pairs of spines not curving ventrad, dorsolateral spines small; mandible without palp; 3rd maxilliped with exopod; 4th thoracic stemite without slender median process; 1st pereopod with carpus entire, not subdivided; 2nd pereopods similar, unequal, chela not borne in vertical plane, movable finger not ventrad, fingers not provided with socket and plunger closure, movable finger normal, not semicircular; 3rd pereopod composed of 7 segments, merus and ischium not fused, dactyl without prominent protuberance on flexor margin; uropod with lateral branch armed with small fixed tooth and movable spine mesial to it. RANGE.—Kenya, Philippines, Indonesia, and Great Barrier Reef of Australia; associated with sea anemones (Actiniaria). REMARKS.—Only one species is known. 166. Pliopontonia furtiva Bruce, 1973 Pliopontonia furtiva Bruce, 1973b:99, figs. 1-5, pi. 1 [type locality: Ras Iwetine, Mombasa, Kenya; 4°00.55'S, 39°44.17'E; associated with actinodiscid Rhodactis rhodostoma in 1 meter]; 1981e:22.—Bruce and Svoboda, 1984:97, fig. 7.—Fransen, 1989:144, fig. 8. DIAGNOSIS.—Characters of genus; postorbital carapace length 4.8 mm. RANGE.—See "Range" of genus. *Pontonia Latreille, 1829 Alciope Rafinesque, 1814:24 [type species, by monotypy: Alciope heterochelus Raflnesque, 1814:24 (= Pontonia flavomaculata Heller, 1864:51); gender: masculine; name suppressed by plenary action of the International Commission on Zoological Nomenclature, Opinion 522 (1958)]. Pontonia Latreille, 1829:% [type species, designated by plenary action of the International Commission on Zoological Nomenclature, Opinion 378 (1956): Palaemon pinnophylax Otto, 1821:12; gender: feminine]. DIAGNOSIS.—Rostrum usually flattened dorsally, armed dorsally only near tip, if at all, often expanded laterally into supraocular eave; carapace depressed, dorsal profile slightly convex, dorsally unarmed, anterior margin usually produced anteriorly, without longitudinal branchiostegal suture, with or without antennal spine, orbital margin not clearly interrupted posteriorly; abdomen with pleuron of 5th somite rounded, not acute; telson not curving ventrad, posterior margin not incised, median and submedian spines not curving ventrad, dorsolateral spines variable; antennal scale well developed; mandible with palp; 3rd maxilliped with exopod; 4th thoracic stemite without slender median process; 1st pereopod with carpus entire, not subdivided; 2nd pereopods similar and subequal or not; chelae not borne in vertical plane, movable finger not ventrad, fingers not provided with socket and plunger closure, movable finger normal, not semicircular, 3rd pereopod composed of 7 segments, merus and ischium not fused, dactyl not bearing hoof-shaped protuberance, usually biunguiculate or multiunguiculate; uropod with lateral branch usually bearing 1 mobile lateral spine.
NUMBER 543 129 RANGE.—Pantropical and warm temperate waters; living in mollusks and ascidians. REMARKS.—Of the 22 or 24 currently recognized species of Pontonia, only five are known from the Philippines and/or Indonesia. All but one of those have been found in ascidians and are included in the key published by Bruce (1972c: 185). 167. Pontonia ascidicola Borradaile, 1898 Pontonia ascidicola Borradaile, 1898:389 [type locality: Blanche Bay, New Britain, in ascidian].—Holthuis, 1952c:165, figs. 79-81. DIAGNOSIS.—Rostrum not overreaching anteriorly extended eyes, dorsally flattened, with faint median carina on dorsal surface but unarmed dorsally and ventrally; carapace with antennal spine, lateral margin somewhat produced anteriorly; telson bearing 2 pairs of conspicuous dorsolateral spines, anterior pair not overreaching bases of posterior pair; antennal scale with distolateral spine curving around lateral margin of blade; 3rd maxilliped with penultimate slightly longer than terminal segment; 2nd pereopods unequal; 3rd pereopod with dactyl biunguiculate, elongate, bearing 7 teeth on flexor margin; maximum postorbital carapace length fully 2 mm. RANGE.—Red Sea, Madagascar, Indonesia and Bismarck Archipelago, in ascidians. 168. Pontonia katoi Kubo, 1940 Pontonia katoi Kubo, 1940b:55, figs. 21-23 [type locality: off Shimoda, Shizuoka Prefecture, Japan, in branchial chamber of ascidiian Halocynthia).—Holthuis, 1952c:158 [part], figs. 73c,d, 74a, 75c, 16a,bJ.e. llbM only. DIAGNOSIS.—Rostrum overreaching anteriorly extended eyes, dorsally flattened, with faint median carina on dorsal surface, unarmed dorsally but with small, subterminal ventral tooth; carapace with antennal spine, lateral margin somewhat produced anteriorly; telson bearing 2 pairs of conspicuous dorsolateral spines, anterior pair not nearly reaching bases of posterior pair; antennal scale with long distolateral spine closely appressed to lateral margin of blade; 3rd maxilliped with penultimate slightly longer than terminal segment; 2nd pereopods unequal; 3rd pereopod with dactyl biunguiculate, short and stout, bearing 3 teeth on flexor margin; maximum postorbital carapace length fully 2 mm. RANGE.—Tanzania, Japan, Indonesia, Australia, and New Caledonia; in ascidians. •169. Pontonia okai Kemp, 1922 Pontonia okai Kemp, 1922:261, figs. 89-92 [type locality: off Cape Negrais, Burma; IS^IM. 93°45'E; 73-126 m. in ascidian Ascidia).—Holthuis, 1952c: 164, fig. 78. DIAGNOSIS.—Rostrum not overreaching anteriorly extended eyes, dorsally flattened, with strong median carina on dorsal surface but unarmed dorsally and ventrally; carapace with antennal spine, lateral margin produced anteriorly; telson bearing 2 pairs of conspicuous dorsolateral spines, anterior pair reaching nearly to bases of posterior pair, antennal scale with short distolateral spine overreaching distal margin of blade; 3rd maxilliped with penultimate about twice as long as terminal segment; 2nd pereopods unequal; 3rd pereopod with dactyl biunguiculate. elongate, bearing 11-13 teeth on flexor margin; maximum postorbital carapace length 2.8 mm. MATERIAL.—PHILIPPINES. Off Jolo Island, Sulu Archipelago; sta 5558; 5°51'33*N, 12rorOO"E; 27 m; 18 Sep 1909 (1517-1520); 6' McCormick trawl: 1 male [2.0] 1 ovig female [2.8], in branchial sac of Ascidia depressiuscula Heller. RANGE.—Kenya, Burma, South China Sea, Philippines, Indonesia, and Australia; in ascidians. REMARKS.—The pair of specimens from the Sulu Archipelago agrees well with the description in Kemp (1922), except that the tip of the rostrum is slightly less acute and the stylocerite slightly wider in the Albatross specimens. 170. Pontonia sibogae Bruce, 1972 Pontonia katoi.—Holthuis, 1952c: 158 [part], figs. 73a,b. 746, 15ajb4-f. 16c.f,g, na.e.f [not P. katoi Kubo]. Pontonia sibogae Bruce, 1972c: 182, fig. 1 [type locality: Curtis Channel, Port Curtis, Queensland, Australia; 42 meters]. DIAGNOSIS.—Rostrum overreaching anteriorly extended eyes, dorsally flattened, without median carina on dorsal surface, unarmed dorsally, with subapical tooth ventrally; carapace with antennal spine, lateral margin angularly produced anteriorly; telson bearing 5 pairs of conspicuous dorsolateral spines; antennal scale with distolateral spine curving around lateral part of blade; 3rd maxilliped with penultimate slightly longer than terminal segment; 2nd pereopods subequal; 3rd pereopod with dactyl biunguiculate, short and stout, bearing 3 teeth on flexor margin; maximum postorbital carapace length 5.9 mm. RANGE.—Oman, Madagascar, Queensland, Australia, and Indonesia; 25-45 meters, in ascidians. 171. Pontonia stylirostris Holthuis, 1952 Pontonia stylirostris Holthuis, 1952c: 169, figs. 82-84 [type locality: between Pulau Misool and New Guinea; 1°42.5'S.47.5°47.5'E; 32 m]. DIAGNOSIS.—Rostrum overeaching anteriorly extended eyes, subcylindrical, armed dorsally with 2 subapical teeth, unarmed ventrally; carapace with antennal spine, lateral margin not distinctly produced anteriorly; telson bearing 2 pairs of conspicuous dorsolateral spines, anterior pair reaching nearly to bases of posterior pair, antennal scale with short distolateral spine reaching about to level of distalmost margin of blade; 3rd maxilliped with penultimate distinctly longer than terminal segment; 3rd pereopod with dactyl biunguiculate, elongate, bearing 4-6 teeth on flexor margin; maximum postorbital carapace length about 4 mm.
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I The Caridean Shrimps (Crustacea:
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S M I T H S O N I A N C O N T R I B
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Contents Page Introduction 1 Acknow
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NUMBER 543 *69. Coralliocaris grami
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NUMBER 543 vii •152. Periclimenes
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SMITHSONIAN CONTRIBUTIONS TO ZOOLOG
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attached plants in shallow water. R
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8 SMITHSONIAN CONTRIBUTIONS TO ZOOL
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10 Palaemon dispar Palaemon alphons
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12 figs. 1-4 Sichuan, China Palaemo
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14 "Jamaica in Flussen" = Macrobrac
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16 Palaemon mexicanus De Saussure,
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18 "East Indies?" and/or West Indie
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20 Gunong Pulai Estate, Johore, Mal
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22 SMITHSONIAN CONTRIBUTIONS TO ZOO
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24 level of distal end of antennal
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26 FIGURE 4.—Macrobrachium equide
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28 FIGURE 6.—Macrobrachium idae,
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32 Palaemon (Macrobrachium) singala
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34 length but nearly similar in for
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36 FIGURE 14.—Macrobrachium placi
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38 44. Macrobrachium sintangense (D
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40 Key to Philippine-Indonesian Spe
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42 Leander by Holthuis (1950a)—an
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46 ANCHISTIA Dana, 1852a: 17 Type s
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48 Corallocaris perlatus—See Peri
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50 Lipkebe holthuisi Chace, 1969:26
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52 Mulaku Atoll, Maldive Islands an
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54 Besar, Kepulauan Kai, Indonesia;
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56 118. Periclimenes cristimanus Br
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58 Periclimenes leptodactylus Bruce
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60 Alpheus scriptus Risso, 1822:247
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62 macrophthalma Pontonia maculata
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64 Bahia de Gardner, Isla Espanola,
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72 58. Anchistus custoides Bruce, 1
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76 Japan. It is here noted that it
Page 88 and 89: 78 71. Coralliocaris venusta Kemp,
Page 90 and 91: 80 74. Dasycaris ceratops Holthuis,
Page 92 and 93: 82 2. Key to Species of Harpiliopsi
Page 94 and 95: 84 Key to Species of Jocaste SMITHS
Page 96 and 97: 86 SMITHSONIAN CONTRIBUTIONS TO ZOO
Page 100 and 101: 90 usually broadly rounded, at most
Page 102 and 103: 92 Key to Philippine-Indonesian Spe
Page 104 and 105: 94 slightly more than two segments,
Page 110 and 111: 100 prominence on 3rd somite, 6th s
Page 112 and 113: 102 105. Periclimenes alcocki Kemp,
Page 114 and 115: 104 Archipelago, Philippines, in 47
Page 116 and 117: 106 distolateral spine on basal seg
Page 118 and 119: 108 without compressed dorsal promi
Page 120 and 121: 110 ing antennal scale, sometimes s
Page 122 and 123: 112 male; abdomen without compresse
Page 124 and 125: 114 nearly or quite as long as palm
Page 126 and 127: 116 DIAGNOSIS.—Integument smooth,
Page 128 and 129: 118 5-7/1-2. posteriormost tooth no
Page 130 and 131: 120 pereopod slightly overreaching
Page 132 and 133: 122 1969a: 149, figs. 4, 5 [type lo
Page 134 and 135: 124 tooth on flexor margin; 3rd per
Page 136 and 137: 126 eye with cornea hemispherical,
Page 140 and 141: 130 RANGE.—Oman, Tanzania, Indone
Page 142 and 143: 132 than seven, dorsal rostral teet
Page 144 and 145: 134 Key to Genera of Gnathophyllida
Page 146 and 147: 136 SMITHSONIAN CONTRIBUTIONS TO ZO
Page 148 and 149: Abele, L.G. 1971. A New Species of
Page 150 and 151: 140 Ocean (Decapoda Natantia, Palae
Page 152 and 153: 142 1989b. A Report on Some Coral R
Page 154 and 155: 144 du Congo Beige, Zoologie, serie
Page 156 and 157: 146 Monatsberichte der Koniglich Pr
Page 158 and 159: 148 1829. Crustacis, Arachnides et
Page 160 and 161: 150 Pesta, O. 1911. Beitrag zur Ken
Page 162 and 163: 152 Crustaceana, 56{2):200-210, fig
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