Class Reptilia Linnaeus, 1758 - reptiles
   Subclass Anapsida Osborn, 1903 - anapsids
     Order Chelonia Brongniart, 1800 see Class Chelonia Brongniart, 1800
       Suborder Cryptodira Cope, 1868
         Superfamily Testudinoidea Batsch, 1788
           1 Family Chelydridae Gray, 1831 - snapping turtles
           2 Family Emydidae Rafinesque, 1815 - pond turtles
           3 Family Testudinidae Batsch, 1788 - tortoises