Female turtle: The carapace of the female turtle is short and wide, the plastron is flat with no depression in the center, the tail is thin and short, the base of the tail is thin, the cloaca is closer to the rear edge of the plastron, and the two anus of the plastron The notch formed by the shield is shallow and the notch angle is larger.

Male turtles: male turtles have long and narrow carapaces, and the center of the plastron is slightly Inwards, the tail is thick and long, the base of the tail is thick, the cloaca is far from the rear edge of the plastron, and the two anal shields of the plastron have deep nicks and small notch angles.