Lexic.us

Definition of Blastoidea

1. n. pl. One of the divisions of Crinoidea found fossil in paleozoic rocks; pentremites. They are so named on account of their budlike form.

Medical Definition of Blastoidea

1. One of the divisions of Crinoidea found fossil in paleozoic rocks; pentremites. They are so named on account of their budlike form. Origin: NL, fr. Gr. Sprout. Source: Websters Dictionary (01 Mar 1998)

Lexicographical Neighbors of Blastoidea

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