[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Phylum Echinodermata Bruguière, 1789 - echinoderms
     Class Crinoidea Miller, 1821 - sea lilies and feather stars
       Order Comatulida Clark, 1908
         Family Antedonidae Norman, 1865
           1 Genus Antedon Fréminville, 1811
           2 Genus Hathrometra Clark, 1908
           3 Genus Heliometra Clark, 1907
           4 Genus Leptometra Clark, 1908
           5 Genus Meteororometra see Genus Meteorometra A.M. Clark, 1980
           6 Genus Orthometra Clark, 1921
           7 Genus Poliometra Clark, 1924
           8 Genus Trichometra Clark, 1908
           9 Genus Thaumatometra Clark, 1908