Order Testudines Wagler, 1830 - turtles
   Suborder Cryptodira Cope, 1868
     Superfamily Kinosternoidea Agassiz, 1857
       Family Kinosternidae Agassiz, 1857 - mud and musk turtles
         Subfamily Kinosterninae Agassiz, 1857
           Genus Kinosternon Spix, 1824
             Kinosternon dunni Schmidt, 1947 - Dunn's mud turtle