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 Sauria McCartney, 1802 - lizards see Clade Sauria Macartney 1802 [Gauthier & de Queiroz 2020]
                     Infraorder Anguinomorpha see Infraorder Anguimorpha Fürbringer, 1900
                       1 Family Xenosauridae Cope, 1866
                       2 Family Anguidae Gray, 1825 - glass lizards and alligator lizards
                       3 Family Anniellidae Cope, 1864 - American legless lizards
                       4 Family Helodermatidae Gray, 1837 - Gila monsters
                       5 Family Varanidae Gray, 1827 - monitor lizards
                       6 Family Lanthanotidae Steindachner, 1877 - earless monitors