A monograph of the British fossil corals - kreidefossilien.de

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Ixviii BRITISH FOSSIL CORALS. 12. Genus Cyathophtlltjm. Goldfuss (iu parte), Petref. Germ., vol. i, p. 54, 1826. Corallum simple or composite. No costtE. Septa well developed, extending to the centre of the calice, and twisted together so as to produce the appearance of a small columella. TabulcB occupying only the centre of the visceral chamber ; the outer portion of which is filled up with numerous vesicular dissepiments. A single wall, situated exteriorly, and provided with a complete epitheca. Typ. sp., Cyathophyllum kelianthoides, Goldfuss, loc. cit., tab. xx, fig. 2. 13. Genus Pachtphyllum. CoraUum composite, and increasing by lateral gemmation. Corallites united in their lower portion by means of the great development of the costse and the exotheca, and not delimitated by an individual epitheca. Tabulce well characterised. Typ. sp., Paehjphyllum Bouchardi, uob. 14. Genus Campophyllum. Corallum simple, veiy tall, and protected by an epitheca. Septa well developed. Tabula very large, and smooth towards the centre. Interseptal loculi tilled with small vesiculse. fig. 3. Typ. sp., Campox)hyllum flexuosum ; Cyathophyllumflexiwsum, Goldfuss, Petref. Germ., vol. i, tab. xvii, 15. Genus Streptelasma. Hal], Palaeont. of New York, p. 17, 1847. is Corallum simple, and differing from Cyathophyllum by the structure of the wall, which destitute of epitheca, and covered with sublamellar costal. Typ. sp., Streptelasma corniculum, Hall, loc. cit., tab. xsv, fig. 1. 16. Genus Omphyma. Rafinesque and Clifford, in Ann. des Sc. Phys. de Bruxelles, vol. v, p. 234, 1820. Corallum simple, turbinate. Wall provided with a mdimentary epitheca, and producing radiciform appendices. Septa very numerous, equally developed, and divided into four groups by an equal number of shallow septal fossulae. Tabidce well developed, and smooth towards the centre. Typ. sp., Omphyma turbinata ; Madrepoi'a turbinata, Lin. .\ma:n. Acad., vol. i, tab. iv, fis;. 2.
INTRODUCTION. hix 17. Genus Goniophyllum. Corallum simple, and affecting the form of a quadrangular pyramid. Calice deep and square. Septa thick and well developed. Tabula central, and but little developed. Typ. sp., Goniophyllum pyramidale ; Turbinolia pyramidalis, Hisinger, Lethaea Suecica, tab. xviii, fig. 12. 18. Genus Chonophyllum. Corallum simple, and constituted principally by a series of infundibuliform tabula, superposed and invaginated, the surface of which presents numerous septal radii equally developed, and extending from the centre to the circumference. No columella nor walls. Typ. sp., Chonophyllum perfoliatum ; Cyathophyllum perfoliatiim, Goldfuss, tab. .xviii, fig. 5. 19. Genus Ptychophylltjm. Strombodes {pars), Lonsdale, Sil. Syst., p. G91, 1839 (not Schweigger.). Corallum simple, and organized as in the preceding genus, but having the septal radii strongly twisted towards the centre of the tabulte, so as to constitute a spurious columella. Typ. sp., Ptychophyllmn Sto/cesi, nob. ; C. Stokes, Ti'ans. of the Gaol. Soc, 2d series, vol. i, tab. .xxi.x, fig. 1. (N.B. The second figure bearing this number, but not the first.) 20. Genus Heliophyllum. Hall, in Dana, Zooph., p. 396. 1846. Corallum simple. Septal apparatus well developed, and producing lateral lamellar prolongations, which extend from the wall towards the centre of the visceral chamber, so as to represent ascending arches and to constitute irregular central tahula, and which are united towards the circumference by means of vertical dissepiments. Typ. sp., Heliophyllum Halli, nob. ; Strombodes helianthoides. Hall, Geol. of New York, No. 48, fig. 3 (not S. helianthoides of Phillips). 21. Genus Meteiophyllum. Corallum simple, turbinate. Septa well developed, slightly twisted, and extending to the centre of the visceral chamber, through well-developed tabulm. Typ. sp., Metriophyllum Boiichardi, nob. ; Cyathophyllum mitratum, Michelin, Icon, Zooph., tab. xl?ii, fig. 7 (not C, mitratum of Schlotheim).
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THE PALiEONTOGRAPHICAL SOCIETY. INS
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i. E. ADLJIED, PBINTr.B, BARTHOLOME
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e 7b-^,pi'? PRINTED BY C. AND .1. A
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INTRODUCTION. iii centre of the ram
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INTRODUCTION. v certain parts of th
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INTRODUCTION. vii in which the mult
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INTRODUCTION. ix Sub-class 1. CORAL
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; INTRODUCTION. xi Sub-order 1. ZOA
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INTRODUCTION. xiii 3. Genus Acantho
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; INTRODUCTION. xv formed by proces
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Page 29 and 30: INTRODUCTION. xix Aberrant Group. P
Page 31 and 32: INTRODUCTION. xxi 8. Genus Amphelia
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Page 35 and 36: INTRODUCTION. xxv 5. Genus Ccelosmi
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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 and 54: INTRODUCTION. xliii which thus form
Page 55 and 56: ; INTRODUCTION. xlv 79. Genus Oclan
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
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Page 69 and 70: INTRODUCTION. lix 4. Genus Fistulip
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Page 73 and 74: INTRODUCTION. Ixiii Family X. SERIA
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Page 77: INTRODUCTION. kvii 7. Gejius Hallia
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
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Page 95: INTRODUCTION. Ixxxv Order 3. PODACT
Page 98 and 99: CORALS OF THE UPPER CHALK. 46 towar
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Page 104 and 105: CORALS FROM THE UPPER CHALK. 51 Tho
Page 106 and 107: CORALS FROM THE LOWER CHALK. 53 CHA
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Page 110 and 111: CORALS FROM THE UPPER GREENSAND. 57
Page 112 and 113: ; CORALS FROM THE UPPER GREENSAND.
Page 114 and 115: CORALS FROM THE GAULT. CHAPTER VI.
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Page 118 and 119: CORALS FROM THE GAULT. 65 found nea
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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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