Pentacrinus - definition of Pentacrinus by The Free Dictionary
|n.||1.||(Zool.) A genus of large, stalked crinoids, of which several species occur in deep water among the West Indies and elsewhere.|
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive
It also contains a 3 m section of the Marly Limestone with Uptonia and Pentacrinus
(MLUP) Mb of the Vale das Fontes Fm with a clearly predominance of grey marls (Fig.