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 see Infraphylum Vertebrata Lamarck, 1801
             Class Reptilia Linnaeus, 1758 - reptiles
               Subclass Anapsida Osborn, 1903 - anapsids
                 Order Testudines Wagler, 1830 - turtles
                   Suborder Cryptodira Cope, 1868
                     Family Testudinidae Batsch, 1788 - tortoises
                       Genus †Colossochelys Falconer & Cautley, 1844 see Genus Megalochelys Falconer & Cautley, 1837
                         †Colossochelys atlas (Falconer & Cautley, 1844), nom. illeg. see Megalochelys atlas (Falconer & Cautley, 1844)