[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
           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 Crossopterygii Huxley, 1861
                       Infraclass Tetrapodomorpha Ahlberg, 1991 see [unranked] Tetrapodomorpha Ahlberg, 1991
                         Superorder Osteolepidida Boulenger, 1901 see [unranked] Osteolepidimorpha
                           Superclass Tetrapoda Goodrich, 1930 - tetrapods see [unranked] Tetrapoda Goodrich, 1930
                             Class Unnamed
                               Superorder Reptiliomorpha Säve-Söderbergh, 1934 see [unranked] Reptiliomorpha Säve-Söderbergh, 1934
                                 Batrachosauria
                                   Series Amniota Haeckel, 1866 see [unranked] Amniota Haeckel, 1866
                                     Class Synapsida Osborn, 1903 see [unranked] Synapsida Osborn, 1903
                                       Order Therapsida Broom, 1905 see [unranked] Therapsida Broom, 1905
                                         Theriodontia
                                           Suborder Cynodontia Owen, 1861 - cynodonts see Clade Cynodontia Owen 1861 [Gauthier, Kluge & Rowe 1988]
                                             Eucynodontia Kemp 1982 [Rowe 1993]
                                               1 Family †Cynognathidae Seeley, 1895
                                               2.1 Family †Diademodontidae Haughton, 1925
                                               2.2.1 Family †Chiniquodontidae Huene, 1936
                                               2.2.2.1 Family †Probainognathidae Romer, 1973
                                               2.2.2.2 Family †Traversodontidae Huene, 1936
                                               2.2.2.3.1 Family †Tritylodontidae Cope
                                               2.2.2.3.2.1 Family †Tritheledontidae Broom
                                               2.2.2.3.2.2 Class Mammalia Linnaeus, 1758 - mammals