[Tetrapoda] Hatschek & Cori 1896 [Gauthier, Kluge & Rowe 1988]
Count: -
   Amniota Haeckel, 1866 [Gauthier, Kluge & Rowe 1988] - amniotes
  Count: -
     Reptilia Linnaeus 1758 [Gauthier, Kluge & Rowe 1988], nom. cl. inval. see Class Reptilia Linnaeus, 1758
    Count: -
       Eureptilia Olson, 1947
      Count: -
         Romeriida Gauthier, Kluge & Rowe, 1988
        Count: -
           Diapsida Osborn 1903 [Laurin 1991] see Clade Diapsida Osborn 1903 [Gauthier & de Queiroz 2020]
          Count: -
             Eosuchia Broom 1914 [Laurin 1991]
            Count: -
               Neodiapsida Benton 1985
              Count: -
                 Sauria McCartney 1802 [Gauthier, Kluge & Rowe 1988], nom. cl. inval. see Clade Sauria Macartney 1802 [Gauthier & de Queiroz 2020]
                Count: -
                   Archosauria Cope 1869 [Gauthier & Padian 1985], nom. cl. inval. see Clade Archosauria Cope 1869 [Gauthier & Padian 2020]
                  Count: -
                     Dinosauria Owen 1841 [Padian & May 1993], nom. cl. inval. see Clade Dinosauria Owen 1842 [Langer, Novas, Bittencourt, Ezcurra & Gauthier 2020]
                    Count: -