Order Testudines Wagler, 1830 - turtles
   Suborder Cryptodira Cope, 1868
     Superfamily Testudinoidea Batsch, 1788
       Family Emydidae Rafinesque, 1815 - pond turtles
         Subfamily Deirochelyinae Agassiz, 1857
           Genus Pseudemys Gray, 1856
             Pseudemys concinna (Le Conte, 1830) - river cooter
               1 Pseudemys concinna concinna (Le Conte, 1830) - eastern river cooter
               2 Pseudemys concinna suwanniensis Carr, 1937 - Suwannee cooter