English Explanatory Dictionary

cystidean

English dictionary entry

Meanings

noun
  1. Any of the †Cystidea, a class of extinct echinoderms, now known as the †Cystoidea.
  2. A stage in the development of many crinoids after the free-swimming larva attaches to a surface, but before it develops the structures necessary to feed.

Word forms

cystidean cystideans

Etymology

†Cystidea + -an

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