Chelydra

             Chelydra serpentina serpentina    --    Common Snapping Turtle
             Chelydra serpentina osceola        --    Florida Snapping Turtle
             Chelydra serpentina rossignonii    --    Yucatan Snapping Turtle
             Chelydra serpentina acutirostris   --    Equadorian Snapping Turtle


     Macrochelys

             Macrochelys temminckii    --    Alligator Snapping Turtle


      Platysternon

          Platysternon megacephalum megacephalum    --     Big-headed turtle
            Platysternon megacephalum peguense             --    Big-headed turtle
            Platysternon megacephalum tristernalis            --    Big-headed turtle
            Platysternon megacephalum vogeli                   --    Big-headed turtle