Rhinoclemmys melanosterna
Rhinoclemmys melanosterna (Gray, 1861)
This species is distinguished from other species of Rhinoclemmys by the following combination of characters: (1) carapace oval, widest at the level of marginals 6 and 7, highest at the level of vertebral 3, and vertebrally keeled; (2) a medial keel present; (3) carapace surface slightly rugose…
