Pan-Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
     Eukarya R. Creti, F. Citarella, O. Tiboni, A. Sanangelantoni, P. Palm & P. Cammarano 1991 [Simpson 2020] see Domain Eukarya Chatton, 1925
       Amorphea Adl et al. 2012 [Simpson, Medina & Adl 2020]
         Opisthokonta Cavalier-Smith 1987 [Simpson & Medina 2020] - animal-fungal clade
           Metazoa Haeckel 1874 [Garey & Halanych 2020] see Kingdom Animalia Linnaeus, 1758
             Bilateria Hatschek 1888 [Lake, Garey, Servin & Halanych 2020] see Subkingdom Bilateria Hatschek, 1888
               Deuterostomia Grobben 1908 [Garey, Cameron, Halanych, Servin & Lake 2020] see Infrakingdom Deuterostomia Grobben, 1908
                 Chordata Haeckel 1874 [Cameron 2020] see Phylum Chordata Bateson, 1885
                   Vertebrata Lamarck, 1801 - vertebrates see Infraphylum Vertebrata Lamarck, 1801
                     Pan-Gnathostomata Downs 2020
                       Apo-Gnathostomata Downs 2020 see Superclass Gnathostomata Gegenbaur, 1874
                         Gnathostomata Gegenbaur 1874 [Downs 2020] see Superclass Gnathostomata Gegenbaur, 1874
                           Pan-Osteichthyes Rowe 2004 [Moore & Near 2020]
                             Osteichthyes Huxley 1880 [Moore & Near 2020]
                               Pan-Sarcopterygii
                                 Sarcopterygii Romer, 1955
                                   Stegocephali Cope 1868 [Laurin 2020]
                                     Labyrinthodontia Owen 1859 [Laurin 2020]
                                       Tetrapoda Hatschek & Cori 1896 [Laurin 2020]
                                         Pan-Amniota Rowe 2004 [Laurin & Smithson 2020]
                                           Amniota Haeckel 1866 [Laurin & Reisz 2020]
                                             Reptilia Linnaeus 1758 [Laurin & Reisz 2020] see Class Reptilia Linnaeus, 1758
                                               Diapsida Osborn 1903 [Gauthier & de Queiroz 2020]
                                                 Sauria Macartney 1802 [Gauthier & de Queiroz 2020] see Clade Neodiapsida Benton 1985
                                                   Pan-Lepidosauria Gauthier & de Queiroz 2020
                                                     Lepidosauria Haeckel 1866 [de Queiroz & Gauthier 2020] see Subclass Lepidosauria Duméril & Bibron, 1839
                                                       Pan-Squamata Gauthier & de Queiroz 2020
                                                         Squamata Oppel 1811 [de Queiroz & Gauthier 2020] see Order Squamata Oppel, 1811
                                                           1 †Mosasauridae Gervais 1853 [Madzia & Conrad 2020]
                                                           2 Pan-Gekkota Bauer 2020
                                                           3 Pan-Amphisbaenia Kearney & de Queiroz 2020
                                                           4 Pan-Serpentes Head, de Queiroz & Greene 2020
                                                           5 Pan-Iguania Smith 2020