1) Comatula 1) Echinoderm genus 2) Genus antedon 3) Type of crinoidea 
Antedon is a genus of free-swimming, stemless crinoids. The genus first appeared in the fossil record in the Cretaceous period. ==Characteristics== Members of this genus have no stems but have five pairs of feathery arms arising from a central concave disc. There are a number of cirri or unbranched appendages on a low, cone-shaped dorsal ossicle, ...
(from the article `feather star`) Feather stars occur chiefly on rocky bottoms in shallow water. They are most abundant from the Indian Ocean to Japan, where Tropiometra is the ...
The antedon is a type of crinoidea.
[n] - a genus of echinoderms of the family Antedonidae
genus Antedon noun a genus of echinoderms of the family Antedonidae