The species is endemic to Florida, including in the Suwannee River.

[3] The carapace of P. c. suwanniensisis black in color, with yellow markings.

The plastron is light orange or yellow with black markings.

Adults can reach 17 inches (43.7 centimeters) in carapace length.

The diet of P. c. suwanniensis mainly consists of aquatic plants.