 [Tetrapoda] Hatschek & Cori 1896 [Gauthier, Kluge & Rowe 1988], nom. cl. inval.
 see Clade Tetrapoda Hatschek & Cori 1896 [Laurin 2020]
 [Tetrapoda] Hatschek & Cori 1896 [Gauthier, Kluge & Rowe 1988], nom. cl. inval.
 see Clade Tetrapoda Hatschek & Cori 1896 [Laurin 2020]
   Amniota Haeckel, 1866 [Gauthier, Kluge & Rowe 1988], nom. cl. inval. - amniotes
 see Clade Amniota Haeckel 1866 [Laurin & Reisz 2020]
 Amniota Haeckel, 1866 [Gauthier, Kluge & Rowe 1988], nom. cl. inval. - amniotes
 see Clade Amniota Haeckel 1866 [Laurin & Reisz 2020]
     Reptilia Linnaeus 1758 [Gauthier 1984], nom. cl. inval.
 see Clade Reptilia Linnaeus 1758 [Laurin & Reisz 2020]
 Reptilia Linnaeus 1758 [Gauthier 1984], nom. cl. inval.
 see Clade Reptilia Linnaeus 1758 [Laurin & Reisz 2020]
       Eureptilia Olson, 1947
 Eureptilia Olson, 1947
         Romeriida Gauthier, Kluge & Rowe, 1988
 Romeriida Gauthier, Kluge & Rowe, 1988
           Diapsida Osborn 1903 [Laurin 1991]
 see Clade Diapsida Osborn 1903 [Gauthier & de Queiroz 2020]
 Diapsida Osborn 1903 [Laurin 1991]
 see Clade Diapsida Osborn 1903 [Gauthier & de Queiroz 2020]
             Eosuchia Broom 1914 [Laurin 1991]
 Eosuchia Broom 1914 [Laurin 1991]
               Neodiapsida Benton 1985
 Neodiapsida Benton 1985
                 1 †Younginiformes Romer 1933 [Laurin 1991]
 1 †Younginiformes Romer 1933 [Laurin 1991]
                 2 Sauria McCartney 1802 [Gauthier, Kluge & Rowe 1988], nom. cl. inval.
 see Clade Sauria Macartney 1802 [Gauthier & de Queiroz 2020]
 2 Sauria McCartney 1802 [Gauthier, Kluge & Rowe 1988], nom. cl. inval.
 see Clade Sauria Macartney 1802 [Gauthier & de Queiroz 2020]