Ophiurioidea
Pronunciation : O`phi*u`ri*oi"de*a, O`phi*u*roi"de*a
Part of Speech : n.
Etymology : [NL., fr. Gr. (Zo?l.)
Definition : Defn: A class of star-shaped echinoderms having a disklike body, with slender, articulated arms, which are not grooved beneath and are often very fragile; -- called also Ophiuroida and Ophiuridea. See Illust. under Brittle star.
pl.
Source : Webster's Unabridged Dictionary, 1913