Literature
- Bickham, J. W., T. Lamb, P. Minx, and J. C. Patton. 1996. Molecular systematics of the genus Clemmys and the intergeneric relationships of emydid turtles. Herpetologica 52: 89-97.
- Bury, R. B., and C. H. Ernst. 1977. Clemmys. Catalog. Amer. Amphib. Rept. 203: 1-2.
- Lovich, J. E., A. F. Laemmerzahl, and J. F. McBreen. 1991a. Relationships among turtles of the genus Clemmys as suggested by plastron scute morphology. Zool. Scripta 20: 425-429.
- Ritgen, F. A. 1828. Versuch einer natürlichen Enteilung der Amphibien. Nova Acta Physico-Medica Acad. Caes. Leopold.-Carol. Natur. Curio. 14: 246-284.