Blastoidea
Pronunciation : Blas*toid"e*a
Part of Speech : n.
Etymology : [NL., fr. Gr. sprout + -oid.] (Zo?l.)
Definition : Defn: One of the divisions of Crinoidea found fossil in paleozoic rocks; pentremites. They are so named on account of their budlike form.
pl.
Source : Webster's Unabridged Dictionary, 1913