blastoidea
Blas*toid"e*a, n. pl. Etym: [NL., fr. Gr. sprout + -oid.] (Zoöl.) Defn: One of the divisions of Crinoidea found fossil in paleozoic rocks; pentremites. They are so named on account of their budlike form.
Blas*toid"e*a, n. pl. Etym: [NL., fr. Gr. sprout + -oid.] (Zoöl.) Defn: One of the divisions of Crinoidea found fossil in paleozoic rocks; pentremites. They are so named on account of their budlike form.