†order Hupehsuchia Carroll and Dong 1991 (diapsid)
Full reference: R. L. Carroll and Z.-M. Dong. 1991. Hupehsuchus, an enigmatic reptile from the Triassic of China, and the problem of establishing relationships. Philosophical Transactions of the Royal Society of London B 331:131-153
Parent taxon: Diapsida according to R. L. Carroll and Z.-M. Dong 1991
Sister taxa: Adelosaurus, Araeoscelidia, Archosauromorpha, Claraziidae, Diaptosauria, Endennasauridae, Eosuchia, Fremouwsauridae, Lanthanolania, Mesenosauridae, Pleurosauridae, Rhynchocephalia, Sauropterygia, Tamaulipasaurus
Subtaxa: Nanchangosauridae
Ecology: