[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Kingdom Animalia Linnaeus, 1758 - animals
     Branch Eumetazoa Butschli, 1910 see [unranked] Eumetazoa Bütschli, 1910
       Division Bilateria Hatschek, 1888 see Subkingdom Bilateria Hatschek, 1888
         Subdivision Deuterostomia Grobben, 1908 see Infrakingdom Deuterostomia Grobben, 1908
           Phylum Chordata Bateson, 1885 - chordates
             Subphylum Vertebrata Cuvier, 1812 - vertebrates
               Superclass Tetrapoda Goodrich, 1930 - tetrapods see [unranked] Tetrapoda Goodrich, 1930
                 Class Reptilia Linnaeus, 1758 - reptiles
                   Subclass †Synapsida Osborn, 1903 - synapsids see Class Synapsida Osborn, 1903
                     1 Order †Pelycosauria Cope, 1878 - pelycosaurs
                     2 Order †Therapsida Broom, 1905 see [unranked] Therapsida Broom, 1905