Kingdom [Animalia] Linnaeus, 1758 - animals
   Subkingdom Metazoa Haeckel, 1874 see Kingdom Animalia Linnaeus, 1758
     Division Eumetazoa Butschli, 1910 see Subkingdom Eumetazoa Butschli, 1910
       Subdivision Bilateralia
         Phylum Chordata Bateson, 1885 - chordates
           Subphylum Vertebrata Cuvier, 1812 - vertebrates
             Class Reptilia Linnaeus, 1758 - reptiles
               Subclass †Euryapsida Colbert, 1945 see Subclass Diapsida Osborn, 1903
                 Order †Sauropterygia Owen, 1860 see Superorder Sauropterygia Owen, 1860
                   Suborder †Nothosauria Baur, 1889
                     Family †Nothosauridae Baur, 1889
                       Genus †Nothosaurus Münster, 1834
                         †Nothosaurus mirabilis Münster, 1834