Tetrapoda Hatschek & Cori 1896 [Gauthier, Kluge & Rowe 1988], nom. cl. inval. see Clade Tetrapoda Hatschek & Cori 1896 [Laurin 2020] Count: 1g; †5f;20g;4s Amniota Haeckel, 1866 [Gauthier, Kluge & Rowe 1988], nom. cl. inval. - amniotes see Clade Amniota Haeckel 1866 [Laurin & Reisz 2020] Count: 1g; †5f;20g;4s 1 Synapsida Osborn 1903 [Gauthier et al. 1989], nom. cl. inval. see Clade Synapsida Osborn 1903 [Laurin & Reisz 2020] Count: †5f;20g;4s 2 Reptilia Linnaeus 1758 [Gauthier 1984], nom. cl. inval. see Clade Reptilia Linnaeus 1758 [Laurin & Reisz 2020] Count: 1g