Literature
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- Bertl, J., and F. C. Killebrew. 1983. An osteological comparison of Graptemys caglei Haynes and McKown and Graptemys versa Stejneger (Testudines: Emydidae). Herpetologica 39: 375-382.
- Boulenger, G. A. 1889. Catalogue of the chelonians, rhynchocephalians, and crocodiles in the British Museum (Natural History). Taylor and Francis, London. 311 pp.
- Dobie, J. L. 1981. The taxonomic relationship between Malaclemys Gray, 1844 and Graptemys Agassiz, 1857 (Testudines: Emydidae). Tulane Stud. Zool. Bot. 23: 85-102.
- Dobie, J. L., and D. R. Jackson. 1979. First fossil record for the diamondback terrapin, Malaclemys terrapin (Emydidae), and comments on the fossil record of Chrysemys nelsoni (Emydidae). Herpetologica 35: 139-145.
- Ernst, C. H., and R. W. Barbour. 1972. Turtles of the United States. Univ. Press Kentucky, Lexington. 347 pp.
- Lamb, T., and M. F. Osentoski. 1997. On the paraphyly of Malaclemys: a molecular genetic assessment. J. Herpetol. 31: 258-263.
- McDowell, S. B. 1964. Partition of the genus Clemmys and related problems in the taxonomy of the aquatic Testudinidae. Proc. Zool. Soc. London 143: 239-279.
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