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 Cryptodira Cope, 1868
                     01 Family Dermatemydidae Gray, 1870 - Mesoamerican river turtles
                     02 Family Chelydridae Gray, 1831 - snapping turtles
                     03 Family Kinosternidae Agassiz, 1857 - mud and musk turtles
                     04 Family Platysternidae Gray, 1869
                     05 Family Emydidae Rafinesque, 1815 - pond turtles
                     06 Family Testudinidae Batsch, 1788 - tortoises
                     07 Family Cheloniidae Oppel, 1811
                     08 Family Dermochelyidae Fitzinger, 1843 - leatherback seaturtles
                     09 Family Carettochelyidae Boulenger, 1887 - pignose turtles
                     10 Family Trionychidae Gray, 1825 - softshell turtles