Literature
- Agassiz, L. 1857. Contributions to the natural history of the United States of America, vol. 1, 2. Little, Brown and Co., Boston. 452 pp.
- Ernst, C. H., J. E. Lovich, and R. W. Barbour. 1994. Turtles of the United States and Canada. Smithsonian Inst. Press, Washington and London, 578 pp.
- Hutchison, J. H., and D. M. Bramble. 1981. Homology of the plastral scales of the Kinosternidae and related turtles. Herpetologica 37: 73-85.