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
                     Family Emydidae Rafinesque, 1815 - pond turtles
                       01 Genus Emys Duméril, 1805
                       02 Genus Emydoidea Gray, 1870 see Genus Emys Duméril, 1805
                       03 Genus Deirochelys Agassiz, 1857
                       04 Genus Chrysemys Gray, 1844
                       05 Genus Pseudemys Gray, 1856
                       06 Genus Graptemys Agassiz, 1857
                       07 Genus Malaclemys Gray, 1844
                       08 Genus Terrapene Merrem, 1820
                       09 Genus Clemmys Ritgen, 1828
                       10 Genus Annamemys Bourret, 1939 see Genus Mauremys Gray, 1869
                       11 Genus Cyclemys Bell, 1834
                       12 Genus Geoclemys Gray, 1855
                       13 Genus Chinemys Smith, 1931
                       14 Genus Ocadia Gray, 1870b
                       15 Genus Notochelys Gray, 1863
                       16 Genus Siebenrockiella Lindholm, 1929
                       17 Genus Morenia Gray, 1870
                       18 Genus Cuora Gray, 1855
                       19 Genus Hieremys Smith, 1916
                       20 Genus Hardella Gray, 1870 [monotypic]
                       21 Genus Kachuga Gray, 1855
                       22 Genus Batagur Gray, 1855
                       23 Genus Callagur Gray, 1870b
                       24 Genus Orlitia Gray, 1873
                       25 Genus Geoemyda Gray, 1834
                       26 Genus Malayemys Lindholm, 1931