Invalid names: Nothosaurus aduncidens Meyer 1855 [synonym], Nothosaurus andriani Meyer 1839 [synonym], Nothosaurus angustifrons Meyer and Plieninger 1844 [synonym], Nothosaurus baruthicus Geissler 1895 [synonym], Nothosaurus chelydrops Fraas 1896 [synonym], Opeosaurus suevicus Meyer 1847 [synonym], Paranothosaurus amsleri Peyer 1939 [synonym]