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A monograph of the British fossil corals - kreidefossilien.de

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Ixxvi<br />

BRITISH FOSSIL CORALS.<br />

4. Genus Sarcodictyon.<br />

E. Forbes ap. Johnston, Brit. Zooph., 2d ed., p. 1"9.<br />

Polypi rising from creeping, filiform, anastomosing stolons, distant, uniserial, and<br />

appearing verruciform (not tubular) when retracted. Differ from Cornularia by <strong>the</strong> shortness<br />

<strong>of</strong> <strong>the</strong> polypidoms.<br />

Typ. sp., Sarcodictyon catenatum, Forbes, loc. cit., tab. xxxiii, figs. 4, 7.<br />

5. Genus An<strong>the</strong>lia.<br />

Savigny, ap. Lamarck, Ah. sans Verteb., vol. ii, p. 407, 1816.<br />

Polypi not retractile,<br />

and rising from a thin fleshy incrustating plate.<br />

Typ. sp., An<strong>the</strong>lia glauca, Savigny, Egypte, Polypes, tab. i, fig. 7.<br />

6. Genus Stmpodium.<br />

Ehrenberg, Corall., p. 61, 1834.<br />

Polypi resembling An<strong>the</strong>lia, but being retractile.<br />

Typ. sp., Sympodiicm fuliginomm, Ehrenb., Savigny, Egypte, Polypes, tab. i, fig. 6.<br />

7. Genus Aulopora.<br />

Goldfuss, Petref. Germ., vol. i, p. 82.<br />

The <strong>fossil</strong> <strong>corals</strong> forming this genus greatly resemble Cornularia and Sarcodictyon, but<br />

differ from all <strong>the</strong> preceding genera by <strong>the</strong>ir thick, calcareous polypidom.<br />

Typ. sp., Aulopora serpens, Goldfuss, loc. cit., tab. x.xix, fig. 1.<br />

8. Genus Cladochonus.<br />

M'Uoy, in Ann. and Mag. <strong>of</strong> Nat. Hist. 1st series, vol. .xx, p. 227.<br />

CoraUum resembling Aulopora, but composed <strong>of</strong> cup-shaped calices, arranged in a<br />

regularly alternate manner, and bent in nearly opposite du-ections.<br />

Typ. sp., Cladochonus tenuicollis, M'Coy, loc. cit., tab. xi. fig. 8.

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