organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Eukaryota Chatton, 1925 - eukaryotes see Domain Eukaryota Chatton, 1925
     Kingdom Animalia Linnaeus, 1758 - animals
       Deuterostomia Grobben, 1908 - deuterostomes see Infrakingdom Deuterostomia Grobben, 1908
         Phylum Chordata Bateson, 1885 - chordates
           Subphylum Vertebrata Cuvier, 1812 - vertebrates see Infraphylum Vertebrata Lamarck, 1801
             Superclass Tetrapoda Goodrich, 1930 - tetrapods see Clade Tetrapoda Hatschek & Cori 1896 [Gauthier, Kluge & Rowe 1988], nom. cl. inval.
               Class Reptilia Linnaeus, 1758 - reptiles
                 Subclass †Synapsida Osborn, 1903 - synapsids see Class Synapsida Osborn, 1903
                   Order †Therapsida Broom, 1905 see [unranked] Therapsida Broom, 1905
                     Suborder †Dinocephalia Seeley, 1894 see [unranked] Dinocephalia Seeley, 1894
                       1 Family †Estemmenosuchidae Tchudinov, 1960
                       2 Family †Brithopodidae Efremov, 1954
                       3 Family †Anteosauridae Boonstra, 1954
                       4 Family †Titanosuchidae Olson, 1962
                       5 Family †Tapinocephalidae Olson, 1962