living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Eukaryotae see Domain Eukaryota Chatton, 1925
     Kingdom Animalia Linnaeus, 1758 - animals
       Subkingdom Eumetazoa Butschli, 1910 see [unranked] Eumetazoa Bütschli, 1910
         Phylum Chordata Bateson, 1885 - chordates
           Subphylum Vertebrata Cuvier, 1812 - vertebrates
             Class Reptilia Linnaeus, 1758 - reptiles
               Subclass Lepidosauria Duméril & Bibron, 1839
                 Order Squamata Oppel, 1811
                   Suborder Serpentes Linnaeus, 1758 - snakes
                     Superfamily Booidea Gray, 1825
                       Family Boidae Gray, 1825 - pythons and boas
                         Subfamily Pythoninae Fitzinger, 1826 - pythons see Family Pythonidae Fitzinger, 1826
                           1 Genus Aspidites Peters, 1877
                           2 Genus Bothrochilus Fitzinger, 1843
                           3 Genus Chondropython Meyer, 1874
                           4 Genus Liasis Gray, 1842
                           5 Genus Morelia Gray, 1842
                           6 Genus Python Daudin, 1803
                           7 Genus Calabaria Gray, 1858