different between crinoid vs pentacrinite

English

From Ancient Greek ?????? (krínon, “lily”) +? -oid.

crinoid (plural crinoids)

One of the numerous animals that make up the class Crinoidea; the feather stars or sea lilies.

crinoid (comparative more crinoid, superlative most crinoid)

Relating to or sharing the qualities and features of the class Crinoidea.
- 1936, HP Lovecraft, ‘The Haunter of the Dark’:
  It was treasured and placed in its curious box by the crinoid things of Antarctica, salvaged from their ruins by the serpent-men of Valusia, and peered at aeons later in Lemuria by the first human beings.

pentacrinite (plural pentacrinites)

pentacrinite f (plural pentacriniti)

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