cystidean

== English == === Etymology === †Cystidea +‎ -an === Noun === cystidean (plural cystideans) (zoology, obsolete) Any of the †Cystidea, a class of extinct echinoderms, now known as the †Cystoidea. (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 === asyndetic, centidays, syndicate