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
         Episquamata Vidal & Hedges, 2005
           Laterata Vidal & Hedges, 2005
             Lacertibaenia Vidal & Hedges, 2005
               Amphisbaenia Gray, 1844 - amphisbaenians see Suborder Amphisbaenia Gray, 1844
                 Amphisbaeniformata Vidal & Hedges, 2009
                   Superfamily Amphisbaenoidea Gray, 1825
                     1 Family Trogonophidae Vanzolini, 1951 - shorthead worm lizards see Family Trogonophiidae Vanzolini, 1951
                     2 Family Amphisbaenidae Gray, 1825 - worm lizards