Hypertext Webster Gateway: "Blastoidea"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Blastoidea \Blas*toid"e*a\, n. pl. [NL., fr. Gr. blasto`s sprout
+ -oid.] (Zo["o]l.)
One of the divisions of Crinoidea found fossil in paleozoic
rocks; pentremites. They are so named on account of their
budlike form.
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