Class Reptilia Linnaeus, 1758 - reptiles
Subclass Archosauria Cope, 1869
see Division Archosauria Cope, 1869
1 Order †Thecodontia Owen, 1859
see Division Archosauria Cope, 1869
2 Order Crocodylia Wagler, 1830 - crocodiles
3 Order †Saurischia Seeley, 1887
see Clade Saurischia Seeley 1888 [Gauthier, Langer, Novas, Bittencourt & Ezcurra 2020]
4 Order †Ornithischia Seeley, 1887
5 Order †Pterosauria Kaup, 1834 - pterosaurs