Squamata Oppel 1811 [Gauthier, Estes & de Queiroz 1988], nom. cl. inval. see Order Squamata Oppel, 1811
   Episquamata Vidal & Hedges, 2005
     Toxicofera Vidal & Hedges, 2005
       Anguimorpha Fürbringer, 1900 see Suborder Anguimorpha Fürbringer, 1900
         Family Anguidae Gray, 1825 - glass lizards and alligator lizards
           1 Subfamily Diploglossinae Boucourt, 1873 see Family Diploglossidae Cope, 1864
           2.1 Subfamily Anguinae Gray, 1825
           2.2 Subfamily Gerrhonotinae (Cope, 1864)