Archosaurs Newly named dinosaurs Data courtesy of George Olshevsky's dinosaur genera list.
Name Status Authors Age Unit Location Notes Images MontanoceratopsSternberg, C. M. 1951. Complete skeleton of Leptoceratops gracilis Brown from the Upper Edmonton member on Red Deer River, Alberta. Bull. Nail. Museum Can. 123: pp. 225-255. ValidCharles M. SternbergLate Cretaceous (Edmontonian)St. Mary River Formation () ()A leptoceratopsid.PachysuchusNomen dubiumYoungEarly Jurassic (Hettangian-Sinemurian)Lufeng Formation A dubious basal sauropodomorph.
Synapsids Non-mammalian
Name Status Authors Age Unit Location Notes ImagesBaurocynodonJunior synonymBrinkLate PermianDicynodon Assemblage ZoneA junior synonym of Nanictosaurus.GomphodontoidesJr. synonymBrink and KitchingMiddle TriassicBurgersdorp FormationA junior synonym of Diademodon.SilphedocynodonJunior synonymBrinkLate PermianCistecephalus Assemblage ZoneA junior synonym of Procynosuchus.WalteriaPreoccupiedBrink and KitchingMiddle PermianTapinocephalus Assemblage ZoneA junior homonym of Walteria Schulze, 1885; renamed Karroowalteria Kuhn, 1938
References