Crinoidea
[krai'nɔidiә]
Definition
(n. pl.) A large class of Echinodermata, including numerous extinct families and genera, but comparatively few living ones. Most of the fossil species, like some that are recent, were attached by a jointed stem. See Blastoidea, Cystoidea, Comatula.
Inputed by Antonia
Definition
n.pl. a class of Echinodermata sometimes called feather-stars or sea-lilies and well known in fossil forms as encrinites or stone-lilies.—n. Cri′nite a fossil crinoid.—adjs. and ns. Crinoid′ Crinoid′ean.—adj. Crinoid′al.
Typed by Lloyd