- Kingdom: Animalia
- Phylum: Chordata
- Subphylum: Vertebrata
- Class: Reptilia
- Order: Testudines
- Family: Emydidae
- Genus: Terrapene
- Species: Terrapene c. triunguis
- Exclusively North American, box turtles are found in the eastern United States, ranging from southern Maine to Florida along the East Coast, and west to Michigan, Illinois, eastern Kansas, Oklahoma, and Texas.
- Terrapene c. triunguis (3 toed box turtle) lives in the Mississippi River Valley from northern Missouri southward across southeastern Kansas and eastern Oklahoma into south-central Texas; and southeastward across western Tennessee and Georgia to the coastal lowlands.
Information courtesy of Animal Diversity website.