vertebrates Cuvier, 1812 - vertebrates see Infraphylum Vertebrata Lamarck, 1801
   Cohort Amniota Haeckel, 1866 see Clade Amniota Haeckel, 1866 [Gauthier, Kluge & Rowe 1988], nom. cl. inval.
     Class "Reptilia" Linnaeus, 1758 - reptiles
       Subclass Sauropsida Huxley, 1864
         Superorder Lepidosauria Haeckel, 1866 see Superorder Lepidosauriformes Gauthier, Estes & de Queiroz, 1988
           Order Squamata Oppel, 1811
             1 Suborder Sauria McCartney, 1802 - lizards see Clade Sauria Macartney 1802 [Gauthier & de Queiroz 2020]
             2 Suborder Serpentes Linnaeus, 1758 - snakes
             3 Suborder Amphisbaenia Gray, 1844 - amphisbaenians