Lepidosauria Haeckel 1866 [Gauthier, Estes & de Queiroz 1988], nom. cl. inval. see Class Lepidosauria Haeckel, 1866
   Order Squamata Oppel, 1811
     Bifurcata Vidal & Hedges, 2005
       Unidentata Vidal & Hedges, 2005
         Scinciformata Vidal & Hedges, 2005 see Suborder Scinciformata Vidal & Hedges, 2005
           Cordylomorpha Vidal & Hedges, 2009 see Infraorder Cordylomorpha Vidal & Hedges, 2009
             1 Superfamily Cordyloidea Fitzinger, 1826
             2 Superfamily Xantusioidea Baird, 1859 [monotypic]