Order Testudines Wagler, 1830 - turtles
   Suborder Pleurodira Cope, 1864
     Family Chelidae Gray, 1825
       Subfamily Chelinae Gray, 1825
         1 Genus Acanthochelys Gray, 1873
         2 Genus Chelus Duméril, 1806
         3 Genus Mesoclemmys Gray, 1873
         4 Genus Phrynops Wagler, 1830
         5 Genus Platemys Wagler, 1830
         6 Genus Rhinemys Wagler, 1830