Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           "neomura" Cavalier-Smith 1987
             Domain Eukaryota Chatton, 1925 - eukaryotes
               neokaryotes Cavalier-Smith 1993 - mitochondrial eukaryotes
                 neozoa Cavalier-Smith 1993
                   scotokaryotes Cavalier-Smith 2000
                     podiates Cavalier-Smith 2012 [nom. cl. nov.]
                       Amorphea Adl et al. 2012 [nom. cl. nov.]
                         Opisthokonta Cavalier-Smith 1987
                           Superkingdom Holozoa Lang, O'Kelly, Nerad, Gray & Burger, 2002
                             filozoa Shalchian-Tabrizi, Minge, Espelund, Orr, Ruden, Jakobsen & Cavalier-Smith 2008
                               Kingdom Animalia Linnaeus, 1758 - animals
                                 Planulozoa Wallberg, Thollesson, Farris & Jondelius 2004 [nom. cl. nov.]
                                   Subkingdom Bilateria Hatschek, 1888 - bilaterians
                                     Nephrozoa Jondelius, Ruiz-Trillo, Baguñà & Riutort 2002 [nom. cl. nov.]
                                       Infrakingdom Deuterostomia Grobben, 1908
                                         Phylum Chordata Bateson, 1885 - chordates
                                           Subphylum Vertebrata Cuvier, 1812 - vertebrates
                                             [crown] Myopterygii - myopterygians
                                               Superclass Gnathostomata Zittel, 1879 - jawed vertebrates
                                                 Grade Teleostomi Bonaparte, 1836
                                                   Euteleostomi - bony vertebrates
                                                     Sarcopterygii Romer, 1955
                                                       Rhipidistia Cope, 1887
                                                         Tetrapodomorpha Ahlberg, 1991
                                                           Osteolepidimorpha
                                                             Tetrapoda Goodrich, 1930
                                                               Reptiliomorpha Säve-Söderbergh, 1934
                                                                 Batrachosauria
                                                                   Amniota Haeckel, 1866 - amniotes
                                                                     Class Reptilia Linnaeus, 1758 - reptiles
                                                                       Eureptilia Olson, 1947
                                                                         Romeriida Gauthier, Kluge & Rowe, 1988
                                                                           Diapsida Osborn 1903 [Laurin 1991]
                                                                             Neodiapsida Benton 1985 [Laurin 1991] {Reisz, Modesto & Scott 2011}
                                                                               [crown] Sauria McCartney 1802 [Gauthier, Kluge & Rowe 1988]
                                                                                 Subclass Lepidosauromorpha Benton, 1983
                                                                                   Superorder Lepidosauriformes
                                                                                     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
                                                                                                           Family Elapidae Boie, 1827
                                                                                                             1 Subfamily Elapinaeᵀ
                                                                                                             2.1 Subfamily Laticaudinae [monotypic]
                                                                                                             2.2 Subfamily Hydrophiinae Oppel, 1811 - sea snakes