Lepidosauria Haeckel 1866 [Gauthier, Estes & de Queiroz 1988], nom. cl. inval. see Class Lepidosauria Haeckel, 1866
Count: [*] 2o;57f;12g
   Order Squamata Oppel, 1811
  Count: [*] 57f;12g [2 Mar 2017]
     Bifurcata Vidal & Hedges, 2005
    Count: [*] 56f;12g [2 Mar 2017]
       Unidentata Vidal & Hedges, 2005
      Count: [*] 49f;12g [2 Mar 2017]
         Episquamata Vidal & Hedges, 2005
        Count: [*] 45f;12g [2 Mar 2017]
           Laterata Vidal & Hedges, 2005
          Count: [*] 9f;3g [28 Feb 2017]
             1 Teiformata Vidal & Hedges, 2005 [monotypic] see Suborder Teiformata Vidal & Hedges, 2005
            Count: [*] 2f [28 Feb 2017]
             2 Lacertibaenia Vidal & Hedges, 2005
            Count: [*] 7f;3g [28 Feb 2017]