living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Eukaryotae see Domain Eukaryota Chatton, 1925
     Kingdom Animalia Linnaeus, 1758 - animals
       Subkingdom Eumetazoa Butschli, 1910 see [unranked] Eumetazoa Bütschli, 1910
         Phylum Echinodermata Bruguière, 1789 - echinoderms
           Subphylum Asterozoa von Zittel, 1895 see Infraphylum Asterozoa von Zittel, 1895
             Class Stelleroidea Lamarck, 1816 see Subphylum Asterozoa von Zittel, 1895
               Subclass Somasteroidea Spencer, 1951 see Order Platyasterida Spencer, 1951
                 Order Goniactinida Spencer, 1951 see Order Platyasterida Spencer, 1951
                   1 Family Platasteriidae see Family Platyasteridae