1) Antedon 2) Genus antedon 3) Genus comatula 
• (n.) 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.
Co·mat'u·la noun [ New Latin , from Latin comatulus having hair neatly curled, dim. from coma hair.] (Zoology) 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 thei...
[n] - former usage synonymous with Antedon
genus Comatula noun former usage synonymous with Antedon