A recent study suggests that there are actually three separate species of the alligator snapping turtle;
Macrochelys Temminckii, Macrochelys Suwanniensis, and Macrochelys Apalachicolae. [wikipedia]
Macrochelys Temminckii, Macrochelys Suwanniensis, and Macrochelys Apalachicolae. [wikipedia]