†suborder Nanchangosauroidea Wang 1959 (diapsid)
Parent taxon: Sauropterygia according to O. W. M. Kuhn 1966
Sister taxa: Atopodentatus, Cercidopleura, Dicranopleura, Doliovertebra, Eosauropterygia, Ischyrosaurus, Microleptosaurus, Nothosauria, Nothosauriformes, Nothosauripus, Pistosauria, Placodontiformes, Simosauria
Subtaxa: Nothosauravidae
Ecology:
Distribution: there are no occurrences of Nanchangosauroidea in the database