Phylum [Vertebrata] (Lamarck, 1801) Class Reptilia Linnaeus, 1758 - reptiles Subclass Diapsida Osborn, 1903 - diapsids see Clade Diapsida Osborn 1903 [Gauthier & de Queiroz 2020] Order †Nothosauria Baur, 1889 - nothosaurs see Suborder Nothosauria Baur, 1889 Family †Nothosauridae Baur, 1889 Genus †Nothosaurus Münster, 1834