[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Phylum Echinodermata Bruguière, 1789 - echinoderms
     Class Asteroidea Blainville, 1830 - sea stars
       Order Paxillosida Perrier, 1884
         Family Astropectinidae Gray, 1840
           1 Genus Astropecten Schultze, 1760
           2 Genus Bathybiaster Danielssen & Koren, 1882
           3 Genus Dytaster Sladen, 1885
           4 Genus Leptychaster Smith, 1876
           5 Genus Lonchotaster Sladen, 1885
           6 Genus Persephonaster Wood-Mason & Alcock, 1891
           7 Genus Plutonaster Sladen, 1885
           8 Genus Psilaster Sladen, 1885
           9 Genus Tethyaster Sladen, 1889