A scute (Latinscutum, "shield") is a horny, chitinous, or bony external plate or scale, as on the shell of a turtle or the underside of a snake. They are similar to scales, but unlike scales, they are derived from the epidermis. The term is also used to describe the scales of some armored mammals, such as the armadillo and the extinct glyptodon.
The row of scutes that run down the middle of the back are the central scutes, and the row on each side of that are the costal scutes.
Feet are streaked or spotted, a ridge in nostrils, bumps on carapace along spine, young and females have the circular dark markings at rear of carapace.
Scutes overlap, keeled, brown color, and four costal scutes on each side of carapace.