Bible Dictionaries
Cystidea

Webster's Dictionary

(n. pl.) An order of Crinoidea, mostly fossils of the Paleozoic rocks. They were usually roundish or egg-shaped, and often unsymmetrical; some were sessile, others had short stems.

Bibliography Information
Webster, Noah. Entry for 'Cystidea'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​c/cystidea.html. 1828.