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]
           neomura Cavalier-Smith, 1987
             Eukaryota Chatton, 1925 - eukaryotes
               discaria Cavalier-Smith, 2021
                 dorsates Cavalier-Smith, 2021
                   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
                           Holozoa Lang, O'Kelly, Nerad, Gray & Burger, 2002
                             filozoa Shalchian-Tabrizi, Minge, Espelund, Orr, Ruden, Jakobsen & Cavalier-Smith, 2008
                               Animalia Linnaeus, 1758 - animals
                                 [node-based clade] Planulozoa Wallberg, Thollesson, Farris & Jondelius 2004
                                   [branch-based clade] Bilateria Hatschek, 1888 - bilaterians
                                     Nephrozoa Jondelius, Ruiz-Trillo, Baguñà & Riutort 2002
                                       [branch-based clade] Deuterostomia Grobben, 1908
                                         [branch-based clade] Chordata Bateson, 1885 - chordates
                                           Craniata auct.
                                             Vertebrata Lamarck, 1801 - vertebrates
                                               [total clade] Pan-Gnathostomata Downs 2020
                                                 Gnathostomata Gegenbaur, 1874 - jawed vertebrates
                                                   Eugnathostomata
                                                     [total clade] Pan-Osteichthyes Rowe 2004 [Moore & Near 2020]
                                                       [crown clade] Osteichthyes Huxley 1880 [Moore & Near 2020]
                                                         [total clade] Pan-Sarcopterygii
                                                           [crown clade] Sarcopterygii Romer, 1955
                                                             Dipnotetrapodomorpha Nelson, 2006
                                                               [crown clade] Rhipidistia Cope, 1887
                                                                 Tetrapodomorpha Ahlberg, 1991
                                                                   Osteolepidida Boulenger 1901 [Cloutier & Ahlberg 1996]
                                                                     Eotetrapodiformes Coates & Friedman, 2010
                                                                       Elpistostegalia Camp & Allison, 1961
                                                                         [branch-based clade] Stegocephali Cope 1868 [Laurin 2020]
                                                                           [node-based clade] Labyrinthodontia Owen 1859 [Laurin 2020]
                                                                             [crown clade] Tetrapoda Hatschek & Cori 1896 [Laurin 2020]
                                                                               [total clade] Pan-Amniota Rowe 2004 [Laurin & Smithson 2020]
                                                                                 Batrachosauria
                                                                                   [crown clade] Amniota Haeckel 1866 [Laurin & Reisz 2020]
                                                                                     Reptilia Linnaeus, 1758 - reptiles
                                                                                       Eureptilia Olson, 1947
                                                                                         Romeriida Gauthier, Kluge & Rowe, 1988
                                                                                           [apomorphy-based clade] Diapsida Osborn 1903 [Gauthier & de Queiroz 2020]
                                                                                             [crown clade] Neodiapsida Benton 1985
                                                                                               [total clade] Pan-Lepidosauria Gauthier & de Queiroz 2020, sedis mutabilis
                                                                                                 Lepidosauria Duméril & Bibron, 1839
                                                                                                   [total clade] Pan-Squamata Gauthier & de Queiroz 2020
                                                                                                     Squamata Oppel, 1811
                                                                                                       Bifurcata Vidal & Hedges, 2005
                                                                                                         Unidentata Vidal & Hedges, 2005
                                                                                                           Episquamata Vidal & Hedges, 2005
                                                                                                             Toxicofera Vidal & Hedges, 2005
                                                                                                               Ophidia Brongniart, 1800
                                                                                                                 Serpentes Linnaeus, 1758 - snakes
                                                                                                                   Alethinophidia Nopcsa, 1923
                                                                                                                     Afrophidia Vidal, Delmas & Hedges, 2007
                                                                                                                       Caenophidia Hoffstetter, 1939
                                                                                                                         Colubroidea Oppel, 1811
                                                                                                                           Colubridae Oppel, 1811 - colubrids
                                                                                                                             Colubrinae Oppel, 1811
                                                                                                                               Rhynchocalamus Günther, 1864
                                                                                                                                 Rhynchocalamus melanocephalus (Jan, 1862)