Ophiurioid

from The Collaborative International Dictionary of English v.0.48

Ophiurioid \O`phi*u"ri*oid\, a. (Zool.)
   Of or pertaining to the Ophiurioidea. -- n. One of the
   Ophiurioidea. [Written also {ophiuroid}.]
   [1913 Webster] Ophiurioidea