English edit

Etymology edit

Cystidea +‎ -an

Noun edit

cystidean (plural cystideans)

  1. (zoology, obsolete) Any of the †Cystidea, a class of extinct echinoderms, now known as the †Cystoidea.
  2. (zoology) 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.

Anagrams edit