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 Ophiuroidea Gray, 1840 - brittle stars see Class Ophiuroidea Gray, 1840
                 Order Phrynophiurida Matsumoto, 1915
                   1 Suborder Ophiomyxina Fell, 1962 see Order Phrynophiurida Matsumoto, 1915
                   2 Suborder Euryalina Lamarck, 1816 see Order Euryalina Lamarck, 1816