Literature
- Ernst, C. H., and J. F. McBreen. 1991a. Terrapene. Catalog. Amer. Amphib. Rept. 511: 1-6.
- Merrem, B. 1820. Tentamen Systematic Amphiborum. Krieger, Marburg. 191 pp.
- Milstead, W. W. 1969. Studies on the evolution of box turtles (genus Terrapene). Bull. Florida St. Mus. Biol. Sci. 14: 1-108.
- Minx, P. 1996. Phylogenetic relationships among box turtles, genus Terrapene. Herpetologica 52: 584-597.