A monograph of the British fossil corals - kreidefossilien.de
A monograph of the British fossil corals - kreidefossilien.de
A monograph of the British fossil corals - kreidefossilien.de
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INTRODUCTION.<br />
hi<br />
but much shorter, and terminated by an obhque seraicu'cular or suljtriangular cahce, tlie<br />
edge <strong>of</strong> which projects on one si<strong>de</strong>.<br />
Typ. sp., Alveolites spongites, Steininger, Mem. <strong>de</strong> la Soc. Geol. <strong>de</strong> France, vol. i ; Calumopiji-a<br />
spengites, Goldfuss, Petref. Germ., pi. xxviii, figs. 1", 1*, 1'.<br />
Second Tribe—CHyETETINyE.<br />
Corallum massive. Walls not perforated. Nei<strong>the</strong>r septa nor ccenenchyma.<br />
5. Germs Ch^etetes.<br />
Fiselier, Oryct. du Gouv. <strong>de</strong> Moscou, p. 159, 1837.<br />
Corallum glomerate. CoraUites very long, basaltiform, and in general more or less<br />
bent. Calices polygonal. Tabidce in<strong>de</strong>pen<strong>de</strong>nt, not connected in <strong>the</strong> adjoining corallites,<br />
nor placed on <strong>the</strong> same level throughout <strong>the</strong> corallum.<br />
Typ. sp., Cheetetes radians, Fischer, loc. cit., pi. x.xxvi, fig. 6.<br />
6. Genus Dania.<br />
Milne Edw. and J. Haime, Comptes rend., t. xxis, p. 261, 1849.<br />
Corallum having most <strong>of</strong> <strong>the</strong> characters <strong>of</strong> Cha3tetes, but with <strong>the</strong> tabulae connected<br />
through <strong>the</strong> different corallites so as to constitute a series <strong>of</strong> common plates, and to divi<strong>de</strong><br />
<strong>the</strong> whole mass into a great number <strong>of</strong> parallel strata.<br />
Typ. sp., Dania Huronica, Milne Edw. and J. Haime, loc.<br />
cit.<br />
7. Genm Stenopora.<br />
(Pars) Lonsdale, Geol. <strong>of</strong> Russia and Ural Mount., vol. i, p. 631, 1845.<br />
Corallum very similar to Chsetetes, but having small styliform processes at <strong>the</strong> angles<br />
<strong>of</strong> <strong>the</strong> cahces.<br />
Typ. sp., stenopora spinigera, Lonsdale, loc. cit., pi. a, fig. 2.<br />
8. Genus Constellaria.<br />
Dana, Zooph., p. 537, 1846.<br />
Third Tribe—HALYSITIN.E.<br />
Corallum composed <strong>of</strong> corallites constituting vertical lamina? or fasciculi, but more or<br />
less free laterally, and united by means <strong>of</strong> connecting tubes or mural expansions. V^alh<br />
well <strong>de</strong>veloped, and not porous. Septa distinct, but small.