A monograph of the British fossil corals - kreidefossilien.de

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xliv BRITISH FOSSIL CORALS. deep. Columella papillose, well developed. Sq)ta thin, not exsert ; the principal ones having their upper margin almost entire, the others strongly dentated. IFalls covered with a complete epitlieca. Typ. sp., Angia rubeola, Milne Edw. andJ. Haime, Ann. des Sc. Nat., 3"" serie, vol. x, tab. vii, fig. 6 ; Bendrophrjllia rubeola, Quoy and Gaimard, Astrolabe, Zoopli., tab. .xv, figs. 12-15. 75. Genus Crtptangia. Milne Edw. and J. Haime, Comptes rend., t. xxvii, p. 496, 1848. Corallnm composed of agglomerate, cylindro-turbinate corallites, which appear to multiply by gennuation on a non-persistent, soft stolon, so that they cease to be organically united when in the adult state, but remain imbedded in an extraneous mass composed of Cellepora. Caliccs cii'cular, with a well-formed fossula. Columella papillose, well developed. Septa thin, not very closely set ; the upper edge of all of them dentate. IFalls covered with a complete epitlieca. Typ. sp., Crijptanyia Woodii, Milne Edw. and J. Haime, loc. cit. ; Cladocora cariosa. Wood, Ann. of Nat. Hist., vol. xiii, p. 12. 7(). Genus Rhizangia. Milne Edw. and J. Haime, Comptes rend., t. xxvii, p. 496, 1848. Corallum increasing by the gemmation of stolons, which sometimes become cahcified, and are persistent. Corallifes agglomerate, sub-cylindrical. Caliees circular ; fossida shallow. Columella papillose, and not very distinct from the ueighbouring denticulations of the septa. Septa thin, scarcely exsert, nearly equal, very closely set, with the upper edge slightly arched, and armed with small, regidar teeth. Walls covered with a complete epitheca, which extends almost as high as the apex of the septa. Typ. sp., Rhizangia brevissima, Milne Edw. and J. Haime, Ann. des Sc. Nat., 3"° serie, vol. x, t. vii, figs. 7, 8 ; Astrea breviscima, Deshayes, in Ladoucette, Hist, des Hautes Alpes, tab. xiii, fig. 13. 77. Genus Astrangia. Milne Edw. and J. Haime, Comptes rend., t. xxvii, p. 496, 1848. Corallum mcrusting. Corallifes very short, produced by gemmation on a thin, common, basal expansion, the surface of which is granulated. Caliees circular, with a deep fossula. Columella papillose, sub-echinulate and not distinctly delimitated. Sejjta thin, exsert, nearly equal, graimlate, and armed with teeth much resembling those of the columella; the tertiary septa bent towards those of the second cycla, and united to them. Bissepimenfs in general simple and distant. JFalls naked, with broad, dehcately-granulated costse. Typ. sp., Astrangia Michelinii, Milne Edw. and J. Haime, Ann. des Sc. Nat., 3"'^ serie, vol. x, t. vii, f. 5. 78. Genus Phyllangia. Milne Edw. and J. Haime, Comptes rend., t. xxvii, p. 497, 1848. Corallum differing from those of the preceding genus l)y the structure of the septa, the upper edge of which is almost entire in the principal cycla, and shghtly denticulated in the others. Columella rudimentary. Typ. sp., PhjUatigia americana, nob.
; INTRODUCTION. xlv 79. Genus Oclangia. Milne Edw. and J. Haime, Comptes rend., t. xxvii, p. 497, 1848. Corallnm composed of very low, cylindrical coralHtes, which appear to arise by gemmation on a basal incrusting expansion, and having their walls naked and costate, as in the preceding genus, but with a highly-developed, papillose columella. Sepia very exsert, closely set ; those of the principal cycla having their upper edge almost entire. Typ. sp., Oulanrjia Stokesiana, Milne Edw. and J. Haime, Ann. des Sc. Nat., 3°' serie, vol. x, tab. vii, fig. 4. Aberrant Group. PSEUDASTREID^. Corallum composite, thin, and foliaceous, and increasing by cxtra-calicular gemmation. CoralHtes short, well cu'cumscribed, and dispersed on the surface of a common lamellar plate. Ccenenchyma echinulate. Sejjta well developed, very echinulate. Dissepiments not numerous. No synapticulae. Common basal wall imperforate, sub-costulate, and naked. Genus Echtnopora. Lamarck, Hist, des .\u. sans Vert., vol. ii, p. 252, 1816; Echiimstrea, HIainville, Diet, des Sc. Nat., vol. Lx, p. 343, 1830. Corallum adherent, near the centre, and expantUng into large foliaceous, lobated laminae. Calices circular, with an exsert margin. Typ. sp., Echinopora rosularia, Lamarck, loc. cit., p. 253; Milne Edw., Atlas du Regne .4nim. di- Cuvier, Zooph., tab. Ixxxiii ter, fig. 1. Transitional Group. PSEUDOFUNGID^. Coralhmi composite and foliaceous, having a perforated plate or basal wall (as in Fungidae) and interseptal dissepiments (as in Astreidee). Calices forming radiating series, separated by lobes or ridges. No sjaiapticute. Ge7ius Merulina. Ehrenberg, Corall. des Roth. Meeres, p. 104, 1834. Typ. sp., Merulina ampliata, Elirenberg, loc. cit. Family IV. FUNGID^. Dana, Expl. Exped., Zooph., p. 283, 184G. Corallum simple or composite, very short and expanding, so as to constitute a disc or foliaceous lamina. Calice very shallow, and open laterally in simple species
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Page 8 and 9: i. E. ADLJIED, PBINTr.B, BARTHOLOME
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Page 13 and 14: INTRODUCTION. iii centre of the ram
Page 15 and 16: INTRODUCTION. v certain parts of th
Page 17 and 18: INTRODUCTION. vii in which the mult
Page 19 and 20: INTRODUCTION. ix Sub-class 1. CORAL
Page 21 and 22: ; INTRODUCTION. xi Sub-order 1. ZOA
Page 23 and 24: INTRODUCTION. xiii 3. Genus Acantho
Page 25 and 26: ; INTRODUCTION. xv formed by proces
Page 27 and 28: ; INTRODUCTION. xvii IS. Genus Plat
Page 29 and 30: INTRODUCTION. xix Aberrant Group. P
Page 31 and 32: INTRODUCTION. xxi 8. Genus Amphelia
Page 33 and 34: INTRODUCTION. xxiii 3. Genus Dkndra
Page 35 and 36: INTRODUCTION. xxv 5. Genus Ccelosmi
Page 37 and 38: INTRODUCTION. xxvii in the two prec
Page 39 and 40: ; INTRODUCTION. xxix 23. Genus Pler
Page 41 and 42: ; INTRODUCTION. xxxi 30. Genus Hete
Page 43 and 44: INTRODUCTION. xxxiii 30. Genm Symph
Page 45 and 46: ;; INTRODUCTION. xxxv 44. Gentts Tr
Page 47 and 48: LNTRODUCTION. xxxvii 50. Genus Dipl
Page 49 and 50: INTRODUCTION. xxxix Section IV.—
Page 51 and 52: ; INTRODUCTION. xli 64. Genus Astro
Page 53: INTRODUCTION. xliii which thus form
Page 57 and 58: INTRODUCTION. xlvii 4. Genus Micbab
Page 59 and 60: INTRODUCTION. xlix 14. Genus Ctclos
Page 61 and 62: INTRODUCTION. li the sclerenchyma,
Page 63 and 64: INTRODUCTION. liii 7. Genus Stephan
Page 65 and 66: INTRODUCTION. Iv Family VII. PORITI
Page 67 and 68: . INTRODUCTION. Ivii Second Tribe
Page 69 and 70: INTRODUCTION. lix 4. Genus Fistulip
Page 71 and 72: INTRODUCTION. hi but much shorter,
Page 73 and 74: INTRODUCTION. Ixiii Family X. SERIA
Page 75 and 76: ; INTRODUCTION. Ixv Family XIII. CY
Page 77 and 78: INTRODUCTION. kvii 7. Gejius Hallia
Page 79 and 80: INTRODUCTION. hix 17. Genus Gonioph
Page 81 and 82: INTRODUCTION. Ixxi or costal radii
Page 83 and 84: INTRODUCTION. • Ixxiii The genera
Page 85 and 86: INTRODUCTION. Ixxv Family I. ALCYON
Page 87 and 88: INTRODUCTION. Ixxvii Second Tribe
Page 89 and 90: INTRODUCTION. Ixxix 1 7. Ge?ius Dis
Page 91 and 92: INTRODUCTION. Ixxxi 8. Genus Soland
Page 93 and 94: INTRODUCTION. Ixxxiii 3. Ge7lUS ViR
Page 95: INTRODUCTION. Ixxxv Order 3. PODACT
Page 98 and 99: CORALS OF THE UPPER CHALK. 46 towar
Page 100 and 101: CORALS OF THE UPPER CHALK. 47 Famil
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CORALS FROM THE UPPER CHALK. 51 Tho
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CORALS FROM THE LOWER CHALK. 53 CHA
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CORALS FROM THE LOWER CHALK. 55 the
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CORALS FROM THE UPPER GREENSAND. 57
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; CORALS FROM THE UPPER GREENSAND.
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CORALS FROM THE GAULT. CHAPTER VI.
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; CORALS FROM THE GAULT. 03 3. Genu
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CORALS FROM THE GAULT. 65 found nea
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CX)RALS FROM THE GAULT. G7 and have
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' Petref. : ; CORALS FROM THE GAULT
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; CORALS FROM THE LOWER GREENSAND.
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TAB. IX. CORALS FROM THE UPPER CHAL
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TAB. XI. CORALS FROM THE GAULT. Cya
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302 TABLE OF BRITISH FOSSIL CORALS.
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304 TABLE OF BRITISH FOSSIL CORALS.
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A. GENERAL INDEX;
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308 GENERAL INDEX.
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310 GENERAL INDEX.
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312 GENERAL INDEX. Dendrophyllia de
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314 GENERAL INDEX. . Halysites cate
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310 GENERAL INDEX.
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318 GENERAL INDEX.
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320 GENERAL INDEX.
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322 GENERAL INDEX. Xenia Zaphrentis
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