Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         Biota
           "neomura"
             Domain Eukaryota Chatton, 1925 - eukaryotes
               "neokaryotes" - mitochondrial eukaryotes
                 "neozoa"
                   "scotokaryotes" Cavalier-Smith, 1999
                     "podiates" Cavalier-Smith, 2013
                       Amorphea Adl et al., 2012
                         Opisthokonta Cavalier-Smith, 1987
                           Holozoa Lang, O'Kelly, Nerad, Gray & Burger, 2002
                             filozoa Shalchian-Tabrizi, Minge, Espelund, Orr, Ruden, Jakobsen & Cavalier-Smith, 2008
                               Kingdom Animalia Linnaeus, 1758 - animals
                                 Epitheliozoa Ax, 1996
                                   Eumetazoa Bütschli, 1910 - eumetazoans
                                     Bilateria Hatschek, 1888 - bilaterians
                                       Superphylum Deuterostomia Grobben, 1908 - deuterostomes
                                         [crown] 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
                                                                           Clade Diapsida Osborn 1903 [Laurin 1991]
                                                                             Clade Neodiapsida Benton 1985 [Laurin 1991] {Reisz, Modesto & Scott 2011}
                                                                               [crown] Clade 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
                                                                                                       Superfamily Booidea Gray, 1825
                                                                                                         Family Boidaeᵀ Gray, 1825 - pythons and boas
                                                                                                           1.1 Genus †Titanoboa Head, Bloch, Hastings, Bourque, Cadena, Herrera, Polly & Jaramillo, 2009 [monotypic]
                                                                                                           1.2 Genus Boaᵀ Linnaeus, 1758 [monotypic]
                                                                                                           2 Genus Corallus Daudin, 1803
                                                                                                           3.1 Genus Epicrates Wagler, 1830
                                                                                                           3.2 Genus Chilabothrus Duméril & Bibron, 1844
                                                                                                           4 Genus Eunectes Wagler, 1830