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单词 pentacrinite
释义 pentacrinite Palæont.|pɛnˈtækrɪnaɪt|
[f. mod.L. (Oken 1815) Pentacrin-us ‘sea-lily’ (f. Gr. πεντα- five + κρίνον lily) + -ite1 2 a.]
An encrinite or fossil crinoid of the genus Pentacrinus or family Pentacrinidæ, having a pentagonal column.
1818W. Phillips Outl. Min. & Geol. (ed. 3) 141 Petrifactions of marine animals, as corallites, encrinites, pentacrinites, entrochites, and trochites.1854Bakewell Geol. 49 Another fossil abundant in the lias is the pentacrinite.
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