Crinoidea /(krī̇*noid"ē̇*ȧ)/

Cri·noid·e·a

Crinoidea

n. pl.
  1. 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. (Zool.)