Phylum [Vertebrata] (Lamarck, 1801)
Count: -
   Class Reptilia Linnaeus, 1758 - reptiles
  Count: 4o6f1g; †20o115f227g
     Subclass Diapsida Osborn, 1903 - diapsids see Clade Diapsida Osborn 1903 [Gauthier & de Queiroz 2020]
    Count: -
       Superorder Lepidosauria Haeckel, 1866 see Superorder Lepidosauriformes Gauthier, Estes & de Queiroz, 1988
      Count: -
         Order Squamata Oppel, 1811
        Count: -
           1 Suborder Lacertilia Owen, 1842
          Count: -
           2 Suborder Serpentes Linnaeus, 1758 - snakes
          Count: [*] †1f1g