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