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
Infraphylum Gnathostomata Gegenbaur, 1874 - jawed vertebrates
see Superclass Gnathostomata Gegenbaur, 1874
Class Osteichthyes Huxley, 1880 - bony fishes
see [unranked] Euteleostomi
Subclass Sarcopterygii Romer, 1955
see Clade Sarcopterygii Romer, 1955
Infraclass †Tetrapodomorpha Ahlberg, 1991
see [unranked] Tetrapodomorpha Ahlberg, 1991
Superclass Tetrapoda Goodrich, 1930 - tetrapods
see Clade Tetrapoda Hatschek & Cori 1896 [Gauthier, Kluge & Rowe 1988]
Class Neotetrapoda
Superorder Reptiliomorpha Säve-Söderbergh, 1934
see [unranked] Reptiliomorpha Säve-Söderbergh, 1934
Order Unnamed
Series Amniota Haeckel, 1866
see Clade Amniota Haeckel, 1866 [Gauthier, Kluge & Rowe 1988]
Class Synapsida Osborn, 1903
see Clade Synapsida Osborn 1903 [Gauthier et al. 1989]
Order Unnamed
Suborder Unnamed
Order †Therapsida Broom, 1905
see [unranked] Therapsida Broom, 1905
Suborder †Cynodontia Owen, 1861 - cynodonts
see Clade Cynodontia Owen 1861 [Gauthier, Kluge & Rowe 1988]
Infraorder Probainognathia
see [unranked] Probainognathia Hopson, 1990
Infrasuborder Mammaliamorpha
see Clade Mammaliamorpha Rowe 1988
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 Metatheria Huxley, 1880
see Infraclass Metatheria Huxley, 1880
Cohort Marsupialia Jameson, 1818 - marsupials
Order Sparassodonta Ameghino, 1894
Family †Thylacosmilidae Riggs, 1933