( n. pl. )
An order of Crinoidea, mostly fossils of the Paleozoic rocks. They were usually roundish or egg-shaped, and often unsymmetrical; some were sessile, others had short stems.
( n. pl. )
An order of Crinoidea, mostly fossils of the Paleozoic rocks. They were usually roundish or egg-shaped, and often unsymmetrical; some were sessile, others had short stems.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012