Vertebrata Cuvier, 1812 - vertebrates
Gnathostomata
Teleostomi
Tetrapoda Goodrich, 1930
Amniota Haeckel, 1866 - amniotes
Class Reptilia Linnaeus, 1758 [paraphyletic] - reptiles
Subclass Diapsida Osborn, 1903 - diapsids
see Clade Diapsida Osborn 1903 [Laurin 1991]
Infraclass Lepidosauromorpha Benton, 1983
see Subclass Lepidosauromorpha Benton, 1983
Superorder Lepidosauria Haeckel, 1866
see Superorder Lepidosauriformes Gauthier et al., 1988
1 Order Sphenodontida Carroll, 1985
2 Order Squamata Oppel, 1811