[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Eukaryotes see Domain Eukaryota Chatton, 1925
     Metazoa Haeckel 1874 - multicellular animals see Kingdom Animalia Linnaeus, 1758
       Bilateria Hatschek, 1888 - bilaterians see Subkingdom Bilateria Hatschek, 1888
         Deuterostomia Grobben, 1908 - deuterostomes see Infrakingdom Deuterostomia Grobben, 1908
           Chordata Bateson, 1885 - chordates
             Vertebrata Cuvier, 1812 - vertebrates
               Gnathostomata Gegenbaur, 1874 - jawed vertebrates see Superclass Gnathostomata Gegenbaur, 1874
                 Osteichthyes Huxley, 1880 - bony fishes see [unranked] Euteleostomi
                   Sarcopterygii Romer, 1955 see Clade Sarcopterygii Romer, 1955
                     Crossopterygii Huxley, 1861
                       Tetrapodomorpha Ahlberg, 1991 see [unranked] Tetrapodomorpha Ahlberg, 1991
                         Osteolepidida Boulenger, 1901 see [unranked] Osteolepidimorpha
                           Tetrapoda Goodrich, 1930 - tetrapods see Clade Tetrapoda Hatschek & Cori 1896 [Gauthier, Kluge & Rowe 1988]
                             Unnamed
                               Reptiliomorpha Säve-Söderbergh, 1934 see [unranked] Reptiliomorpha Säve-Söderbergh, 1934
                                 Batrachosauria
                                   Amniota Haeckel, 1866 see Clade Amniota Haeckel, 1866 [Gauthier, Kluge & Rowe 1988]
                                     Sauropsida Huxley, 1864 see Clade Reptilia Linnaeus 1758 [Gauthier, Kluge & Rowe 1988], nom. cl. inval.
                                       Diapsida Osborn, 1903 - diapsids see Clade Diapsida Osborn 1903 [Gauthier & de Queiroz 2020]
                                         Neodiapsida Benton 1985
                                           Archosauromorpha Huene, 1946 see Clade Archosauromorpha Huene 1946 [Benton 1985], nom. cl. inval.
                                             1 †Trilophosauridae Gregory, 1945
                                             2.1 †Rhynchosauria Osborn 1903 [Dilkes 1998] see Order Rhynchosauria Osborn, 1903
                                             2.2.1 †Prolacertiformes Camp, 1945
                                             2.2.2 Archosauria Cope, 1869 see Clade Archosauria Cope 1869 [Gauthier & Padian 1985], nom. cl. inval.