life see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Eukaryota Chatton, 1925 - 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
         Nephrozoa Jondelius, Ruiz-Trillo, Baguñà & Riutort 2002
           Deuterostomia Grobben, 1908 - deuterostomes see Infrakingdom Deuterostomia Grobben, 1908
             Phylum Chordata Bateson, 1885 - chordates
               Subphylum Vertebrata Cuvier, 1812 - vertebrates see Infraphylum Vertebrata Lamarck, 1801
                 Infraphylum Gnathostomata Gegenbaur, 1874 - jawed vertebrates see Superclass Gnathostomata Gegenbaur, 1874
                   Class Osteichthyes Huxley, 1880 - bony fishes and tetrapods see Clade Osteichthyes Huxley 1880 [Moore & Near 2020]
                     Subclass Sarcopterygii Romer, 1955 - lobe-finned fishes and tetrapods see [unranked] Sarcopterygii Romer, 1955
                       Infraclass Tetrapodomorpha Ahlberg, 1991 see [unranked] Tetrapodomorpha Ahlberg, 1991
                         Osteolepidida Boulenger 1901 [Cloutier & Ahlberg 1996]
                           Eotetrapodiformes Coates & Friedman, 2010
                             Elpistostegalia Camp & Allison, 1961
                               Superclass Tetrapoda Goodrich, 1930 - tetrapods see Clade Tetrapoda Hatschek & Cori 1896 [Gauthier, Kluge & Rowe 1988], nom. cl. inval.
                                 Class Neotetrapoda Gaffney, 1979
                                   Superorder Reptiliomorpha Säve-Söderbergh, 1934 see [unranked] Reptiliomorpha Säve-Söderbergh, 1934
                                     Batrachosauria
                                       Order Unnamed
                                         Series Amniota Haeckel, 1866 see Clade Amniota Haeckel 1866 [Laurin & Reisz 2020]
                                           Class Synapsida Osborn, 1903 see Clade Synapsida Osborn 1903 [Gauthier et al. 1989], nom. cl. inval.
                                             Order Unnamed
                                               Suborder Unnamed
                                                 Order Therapsida Broom, 1905 see [unranked] Therapsida Broom, 1905
                                                   Theriodontia Owen, 1876
                                                     Suborder †Cynodontia Owen, 1861 - cynodonts see Clade Cynodontia Owen 1861 [Gauthier, Kluge & Rowe 1988], nom. cl. inval.
                                                       Epicynodontia Hopson & Kitching 2001
                                                         Eucynodontia Kemp 1982 [Rowe 1993]
                                                           Infraorder Probainognathia see [unranked] Probainognathia Hopson, 1990
                                                             Infrasuborder Mammaliamorpha see Clade Mammaliamorpha Rowe 1988, nom. cl. inval.
                                                               Class Mammalia Linnaeus, 1758 - mammals
                                                                 Class Mammalia
                                                                   Superdivision Theriimorpha see Clade Theriimorpha Rowe 1993
                                                                     Division Theriiformes Rowe, 1988 see Clade Theriiformes Rowe 1988
                                                                       Superlegion Trechnotheria McKenna, 1975 see Clade Trechnotheria McKenna 1975
                                                                         Legion Cladotheria McKenna, 1975 see Clade Cladotheria McKenna 1975
                                                                           Sublegion Boreosphenida Luo, Cifelli & Kielan-Jaworowska, 2001 see Clade Boreosphenida Luo, Cifelli & Kielan-Jaworowska 2001
                                                                             Infralegion Theria Parker & Haswell, 1897 see Subclass Theria Parker & Haswell, 1897
                                                                               Supercohort Eutheria Gill, 1872 see Infraclass Eutheria Gill, 1872
                                                                                 Cohort Placentalia Owen, 1837 - placentals
                                                                                   Superorder Atlantogenata Waddell, Cao, Hasegawa & Mindell, 1999 see Magnorder Atlantogenata Waddell, Cao, Hasegawa & Mindell, 1999
                                                                                     Magnorder Afrotheria Stanhope, Waddell, Madsen, de Jong, Hedges, Cleven, Kao & Springer, 1998 see Superorder Afrotheria Stanhope, Waddell, Madsen, de Jong, Hedges, Cleven, Kao & Springer, 1998
                                                                                       Grandorder Paenungulata Simpson, 1945
                                                                                         Mirorder Tethytheria McKenna, 1975 see Grandorder Paenungulata Simpson, 1945
                                                                                           Order Hyracoidea Huxley, 1869 - hyraxes