comatula

‖n. [ NL., fr. L. comatulus having hair neatly curled, dim. fr. coma hair. ] (Zool.) A crinoid of the genus Antedon and related genera. When young they are fixed by a stem. When adult they become detached and cling to seaweeds, etc., by their dorsal cirri; -- called also feather stars. [ 1913 Webster ]