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 Anapsida Osborn, 1903 - anapsids
                 Order Testudines Wagler, 1830 - turtles
                   Suborder Pleurodira Cope, 1864
                     Family Chelidae Gray, 1825
                       Genus Platemys Wagler, 1830
                         1 Platemys platycephala (Schneider, 1792) - twist-necked turtle
                         2 Platemys radiolata (Mikan, 1820) see Acanthochelys radiolata (Mikan, 1820) Iverson, 1986
                         3 Platemys spixii Duméril & Bibron, 1835 see Acanthochelys spixii (Duméril & Bibron, 1835) Iverson, 1986
                         4 Platemys pallidipectoris Freiberg, 1945 see Acanthochelys pallidipectoris (Freiberg, 1945) Iverson, 1986