(Order Testudinata)

Family Chelydridae - Snapping turtles. 9 plastral scutes. Reduced plastron, strong well-developed legs, and sharp claws.
Alligator Snapping Turtle
Macrochelys temminckii
Common Snapping Turtle
Chelydra serpentina

Family Emydidae - Box and pond turtles. 12 plastral scutes. Primarily vegetarian, though omnivorous and opportunistic.
Three-toed Box Turtle
Terrapene carolina
Ornate Box Turtle
Terrapene ornata
Eastern River Cooter
Pseudemys concinna
Ouachita Map Turtle
Graptemys ouachitensis
Red-eared Slider
Trachemys scripta

Family Trionychidae - Softshell turtles. Shell reduced, flattened, and covered with leathery skin. Extremely long necks.
Midland Smooth
Softshell Turtle
Apalone mutica
Eastern Spiny
Softshell Turtle
Apalone spinifera