Alternative spellings: Nothosauri, Nothosauri, Nothosaurida, Notosauria
Parent taxon: Sauropterygia according to R. L. Carroll 1988
See also Alroy 2007, Gadow 1898, Hinz et al. 2019, Jaekel 1910, Jaekel 1911, Kuhn 1946, Kuhn 1966, Kuhn 1971, Liu et al. 2014, Osborn 1903, Osborn 1904, Perrier 1928, Rieppel 2000, Rieppel et al. 1997, Roxo 1937, Sander 1989 and Sepkoski 2002
Sister taxa: Atopodentatus, Cercidopleura, Dicranopleura, Eosauropterygia, Eusauropterygia, Ischyrosaurus, Microleptosaurus, Nanchangosauroidea, Nothosauriformes, Pistosauria, Placodontia, Placodontiformes, Plesiosauria, Simosauria
Subtaxa: Anarosauridae Corosauridae Germanosauridae Lariosauridae Neusticosauridae Partanosaurus Pontopus Proneusticosauridae Simosauridae
Ecology:
Distribution:
• Triassic of Austria (1 collection), China (1), France (2), Germany (10), Hungary (2), Israel (2), Italy (1), Luxembourg (1), Poland (1), Saudi Arabia (2), Spain (1), the United Kingdom (1)
Total: 25 collections including 26 occurrences