Family: Kinosternidae, Musk and Mud Turtles view all from this family
Description 3-4 3/4" (7.6-12.1 cm). Carapace smooth, plain olive to dark brown. 2 light lines on each side of head. Plastron yellow to brown, double-hinged, with 11 scutes. Males have well-developed blunt spine at end of tail and rough scale patches on inside of hind legs.
Habitat Shallow, slow-moving water of swamps and bayous.
Range Se. Missouri, Arkansas, e. Oklahoma, e. Texas, Louisiana, w. and s. Mississippi, s. Alabama, and extreme w. Florida.
Discussion This subspecies, distinguishable by the light lines on the sides of the head, overlaps and intergrades with the Eastern subspecies from s. Illinois to Louisiana and east to the Florida panhandle.