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]
           Toxicofera Vidal & Hedges, 2005
          Count: [*] 36f;9g [2 Mar 2017]
             Serpentes see Suborder Serpentes Linnaeus, 1758
            Count: [*] 25f;9g [2 Mar 2017]
               Scolecophidia Duméril & Bibron, 1844 see Infraorder Scolecophidia Duméril & Bibron, 1844
              Count: [*] 3f [2 Mar 2017]
                 Family Typhlopidae Merrem, 1820 - blind snakes
                Count: -