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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Ixxii<br />
BRITISH FOSSIL CORALS.<br />
30. Genus Lithostrotion .<br />
{Pars) Fleming, <strong>British</strong> Animals, p. 508, 1828 ; Strombo<strong>de</strong>s and Lonsdaleia, M'Coy, iu Ann. <strong>of</strong> Nat. Hist.,<br />
2d series, vol. iii, pp. 10, 11, 1849.<br />
Corallum resembling Neinatop/ii/Uum, but having <strong>the</strong> columella formed by a fasciculus<br />
<strong>of</strong> twisted bands, and <strong>the</strong> septa subvesicular exteriorly, and joining <strong>the</strong> columella along<br />
<strong>the</strong>ir mner edge.<br />
Typ. sp., Lithostrotion floriforme, Fleming, loc. cit., p. 508.<br />
31. G^e??MS AXOPHYLLUM.<br />
Corallum simple, trochoid, and resembling Lithostrotion by its<br />
structure.<br />
Typ. sp., Axophyllum expansum, nob.<br />
32. Ge7ius Syringophtllum.<br />
Sarcinula, Dana, Zooph., p. .'563,<br />
1846 (not Sarcinula, Lamarck).<br />
Corallum composite, astreiform. Corallites provi<strong>de</strong>d with strong walls, and much<br />
<strong>de</strong>veloped costse. Sejjfa large. Tabula but little <strong>de</strong>veloped. Columella styliform.<br />
Typ. sp., Syringophyllum organum ; Madrepora organum, Linnaeus, Syst. Nat., ed. \n, vol. i, p. 1278.<br />
Family XV.<br />
CYSTlPHYLLIDiE.<br />
<strong>of</strong><br />
Corallum essentially composed <strong>of</strong> a vesicular tissue, and presenting little or no traces<br />
septa or radiate striae.<br />
1. Genus Cystiphtllum.<br />
Lonsdale, in Murchison's Silurian Syst., p. 691, 1839.<br />
Corallum simple, turbinate ; <strong>the</strong> visceral chamber filled with small vesicular laminae.<br />
Calice shallow. Walls vesicular.<br />
Typ. sp., Cystiphyllum Silnriense, Lonsdale, loc. cit., tab xvi bis, fig. 1 (but not fig. 2).<br />
Sub-or<strong>de</strong>r 5.<br />
ZOANTHARIA CAULICULATA.<br />
Antipathacea, Dana, Zoopb., p. 574.<br />
Polypi supported on a sclcrobasis or epi<strong>de</strong>rmic stem-like corallum.