Encrinoidea /(?)/

En·cri·noid·e·a

Encrinoidea

n. pl.
  1. That order of the Crinoidea which includes most of the living and many fossil forms, having jointed arms around the margin of the oral disk; -- also called Brachiata and Articulata. See Illusts. under Comatula and Crinoidea. (Zoöl.)