[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Kingdom Animalia Linnaeus, 1758 - animals
     Branch Eumetazoa Butschli, 1910 see [unranked] Eumetazoa Bütschli, 1910
       Division Bilateria Hatschek, 1888 see Subkingdom Bilateria Hatschek, 1888
         Subdivision Deuterostomia Grobben, 1908 see Infrakingdom Deuterostomia Grobben, 1908
           Phylum Chordata Bateson, 1885 - chordates
             Subphylum Vertebrata Cuvier, 1812 - vertebrates
               Superclass Tetrapoda Goodrich, 1930 - tetrapods see Clade Tetrapoda Hatschek & Cori 1896 [Gauthier, Kluge & Rowe 1988]
                 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]
                         01 Family Gekkonidae Oppel, 1811 - geckoes
                         02 Family Pygopodidae Gray, 1845 - Australasian legless lizards
                         03 Family Iguanidae Oppel, 1811 - iguanas
                         04 Family Agamidae Spix, 1825 - agamas
                         05 Family Chamaeleonidae Rafinesque, 1815 - chameleons
                         06 Family Xantusiidae Baird, 1859 - night lizards
                         07 Family Teiidae Gray, 1827 - whiptails and tegus
                         08 Family Scincidae Oppel, 1811 - skinks
                         09 Family Cordylidae Fitzinger, 1826 - spinytail lizards
                         10 Family Lacertidae Oppel, 1811 - wall lizards
                         11 Family Anguidae Gray, 1825 - glass lizards and alligator lizards
                         12 Family Anniellidae Cope, 1864 - American legless lizards
                         13 Family Xenosauridae Cope, 1866
                         14 Family Helodermatidae Gray, 1837 - Gila monsters
                         15 Family Varanidae Gray, 1827 - monitor lizards
                         16 Family Lanthonotidae see Family Lanthanotidae Steindachner, 1877
                         17 Family †Mosasauridae Gervais, 1853 - mosasaurs