What is one of the divisions of Crinoidea found fossil in paleozoic rocks; pentremites. They are so named on account of their budlike form called?
blastoidea — One of the divisions of Crinoidea found fossil in paleozoic rocks; pentremites. They are so named on account of their budlike form. (Webster's 1913.)
Sources
- Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).
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