Category:Crinoidea

Cri*noid"e*a (kr-noid"-), n. pl. Etym: [NL., from Gr. -oid: cf. F. crino.] (Zoöl.)

Defn: 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.