reptiles Linnaeus 1758 [Laurin & Reisz 2020] see Class Reptilia Linnaeus, 1758 Pan-Archosauria Gauthier 2020 Crocopoda Ezcurra 2016 Archosauriformes Gauthier 1994 [Gauthier 2020] Eucrocopoda Ezcurra 2016 Archosauria Cope 1869 [Gauthier & Padian 2020] 1 Pan-Aves Gauthier & de Queiroz 2001 [M. Ezcurra, S. Nesbitt, M. Bronzati, F. Dalla Vecchia, F. Agnolin, R. Benson, ..., M. Langer 2020] 2 Pseudosuchia Zittel 1887-1890 [Gauthier & Padian 1985]