Squamata Oppel 1811 [Gauthier, Estes & de Queiroz 1988], nom. cl. inval. see Order Squamata Oppel, 1811
   Episquamata Vidal & Hedges, 2005
     Lacertoidea Camp, 1923 see Infraorder Lacertoidea Camp, 1923
       1.1 Family Teiidae Gray, 1827 - whiptails and tegus
       1.2 Family Gymnophthalmidae Fitzinger, 1826 - spectacled lizards
       2.1.1 Family Rhineuridae Vanzolini, 1951 [monotypic]
       2.1.2.1 Family Bipedidae Taylor, 1951 [monotypic] - two-legged worm lizards
       2.1.2.2.1 Family Blanidae Kearney, 2003 [monotypic]
       2.1.2.2.2.1 Family Cadeidae Vidal & Hedges, 2007 [monotypic]
       2.1.2.2.2.2.1 Family Trogonophiidae Vanzolini, 1951
       2.1.2.2.2.2.2 Family Amphisbaenidae Gray, 1825 - worm lizards
       2.2 Family Lacertidae Oppel, 1811 - wall lizards