Kingdom [Animalia] Linnaeus, 1758 - animals
Phylum Chordata Bateson, 1885 - chordates
Subphylum Vertebrata Cuvier, 1812 - vertebrates
Class Reptilia Linnaeus, 1758 - reptiles
1 Subclass Anapsida Osborn, 1903 - anapsids
2 Subclass Lepidosauria Duméril & Bibron, 1839
3 Subclass Archosauria Cope, 1869
see Division Archosauria Cope, 1869
4 Subclass †Euryapsida Colbert, 1945
see Subclass Diapsida Osborn, 1903
5 Subclass †Synapsida Osborn, 1903 - synapsids
see Class Synapsida Osborn, 1903