Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         [crown] Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           Clade neomura Cavalier-Smith, 1987
             Domain Eukaryota Chatton, 1925 - eukaryotes
               Clade discaria Cavalier-Smith, 2021
                 Clade dorsates Cavalier-Smith, 2021
                   Clade podiates Cavalier-Smith, 2012
                     [crown] Clade Amorphea Adl et al. 2012 [Simpson, Medina & Adl 2020]
                       [crown] Clade Obazoa Brown, Sharpe, Silberman, Heiss, Lang, Simpson & Roger 2013
                         [crown] Clade Opisthokonta Cavalier-Smith 1987 [Simpson & Medina 2020] - animal-fungal clade
                           Superkingdom Holozoa Lang, O'Kelly, Nerad, Gray & Burger, 2002
                             Clade filozoa Shalchian-Tabrizi, Minge, Espelund, Orr, Ruden, Jakobsen & Cavalier-Smith, 2008
                               Kingdom Animalia Linnaeus, 1758 - animals
                                 Clade Planulozoa Wallberg, Thollesson, Farris & Jondelius 2004
                                   Subkingdom Bilateria Hatschek, 1888 - bilaterians
                                     Clade Nephrozoa Jondelius, Ruiz-Trillo, Baguñà & Riutort 2002
                                       Infrakingdom Deuterostomia Grobben, 1908
                                         Phylum Chordata Bateson, 1885 - chordates
                                           Subphylum Vertebrata Cuvier, 1812 - vertebrates
                                             Myopterygii - myopterygians
                                               Superclass Gnathostomata Gegenbaur, 1874 - jawed vertebrates
                                                 Grade Teleostomi Bonaparte, 1836
                                                   Euteleostomi - bony vertebrates
                                                     Clade Sarcopterygii Romer, 1955
                                                       [crown] Rhipidistia Cope, 1887
                                                         Clade Tetrapodomorpha Ahlberg, 1991
                                                           Clade Osteolepidimorpha
                                                             Clade Tetrapoda Hatschek & Cori 1896 [Gauthier, Kluge & Rowe 1988]
                                                               [crown] Clade Neotetrapoda
                                                                 Clade Reptiliomorpha Säve-Söderbergh, 1934
                                                                   Batrachosauria
                                                                     [crown] Clade Amniota Haeckel, 1866 [Gauthier, Kluge & Rowe 1988] - amniotes
                                                                       Class Reptilia Linnaeus, 1758 - reptiles
                                                                         Eureptilia Olson, 1947
                                                                           Romeriida Gauthier, Kluge & Rowe, 1988
                                                                             Clade Diapsida Osborn 1903 [Gauthier & de Queiroz 2020]
                                                                               [crown] Clade Neodiapsida Benton 1985
                                                                                 Clade Pan-Lepidosauria Gauthier & de Queiroz 2020, sedis mutabilis
                                                                                   [crown] Subclass Lepidosauria Duméril & Bibron, 1839
                                                                                     Clade Pan-Squamata Gauthier & de Queiroz 2020
                                                                                       [crown] Order Squamata Oppel, 1811
                                                                                         Bifurcata Vidal & Hedges, 2005
                                                                                           Unidentata Vidal & Hedges, 2005
                                                                                             Episquamata Vidal & Hedges, 2005
                                                                                               Toxicofera Vidal & Hedges, 2005
                                                                                                 Ophidia Brongniart, 1800
                                                                                                   Suborder Serpentes Linnaeus, 1758 - snakes
                                                                                                     Infraorder Alethinophidia Nopcsa, 1923
                                                                                                       Afrophidia Vidal, Delmas & Hedges, 2007
                                                                                                         Caenophidia Hoffstetter, 1939
                                                                                                           Superfamily Colubroidea Oppel, 1811
                                                                                                             1 Family †Anomalophiidae Auffenberg, 1959
                                                                                                             1.0 [Family "Anomalopheidae"] see Family Anomalophiidae Auffenberg, 1959
                                                                                                             2 Family †Russellophiidae Rage, 1975
                                                                                                             2.0 [Family "Russellopheidae" Rage, 1978] see Family Russellophiidae Rage, 1975
                                                                                                             3 Family Xenodermidae Gray, 1849
                                                                                                             3.0 [Family Xenodermatidae Gray, 1849] see Family Xenodermidae Gray, 1849
                                                                                                             4.1.1 Family Pareatidae Hoffmann, 1890
                                                                                                             4.1.2 Family Viperidae Oppel, 1811 - vipers and pit vipers
                                                                                                             4.2.1.1 Family Homalopsidae Jan, 1863
                                                                                                             4.2.1.2 Family Lamprophiidae Fitzinger, 1843 [paraphyletic]
                                                                                                             4.2.1.2.n Family Elapidae Boie, 1827
                                                                                                             4.2.1.2.n.0 [Family "Hydropheidae"] see Family Hydrophiidae Oppel, 1811
                                                                                                             4.2.2 Family Colubridaeᵀ Oppel, 1811 - colubrids
                                                                                                             4.2.2.1 [Family Sibynophiidae Dunn, 1928] see Subfamily Sibynophiinae
                                                                                                             4.2.2.2 [Family Natricidae Boettger, 1883] see Subfamily Natricinae Bonaparte, 1838
                                                                                                             4.2.2.3 [Family Pseudoxenodontidae McDowell, 1987] see Subfamily Pseudoxenodontinae
                                                                                                             4.2.2.4 [Family Dipsadidae Bonaparte, 1838] see Subfamily Dipsadinae Guenther, 1858
                                                                                                             4.2.2.4.0 [Family Carphophiidae Zaher et al., 2009] see Subfamily Dipsadinae Guenther, 1858
                                                                                                             4.2.2.4.0 [Family Xenodontidae Bonaparte, 1845] see Subfamily Dipsadinae Guenther, 1858
                                                                                                             4.2.2.5 [Family Calamariidae Bonaparte, 1838] see Subfamily Calamariinae