Mesoclemmys is a genus that contains 9 species. They are native to Northern and Central South America. They are commonly known as the Toad-headed Turtles. The type species for this genus is Mesoclemmys gibba.
The species in Mesoclemmys are:
Mesoclemmys dahli
Mesoclemmys gibba
Mesoclemmys nasuta
Mesoclemmys perplexa
Mesoclemmys raniceps
Mesoclemmys tuberculata
Mesoclemmys vanderhaegei
Mesoclemmys wermuthi
Mesoclemmys zuliae