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 Diploglossa Cope, 1864 see Suborder Anguimorpha Fürbringer, 1900
           1 Family Diploglossidae Cope, 1864
           2 Family Anguidae Gray, 1825 - glass lizards and alligator lizards
           3 Family Anniellidae Cope, 1864 - American legless lizards
           4 Family Xenosauridae Cope, 1866