Mesoclemmys is a South American genus of turtle in the Chelidae family. Species include: \n* Mesoclemmys dahli (Zangerl and Medem, 1958) - Dahl's toad-headed turtle \n* Mesoclemmys gibba (Schweigger, 1812) - Gibba turtle \n* Mesoclemmys heliostemma (McCord, Joseph-Ouni, and Lamar 2001) \n* Mesoclemmys hogei (Mertens, 1967) - Hoge's side-necked turtle \n* Mesoclemmys nasuta (Schweigger, 1812) \n* Mesoclemmys perplexa (Bour & Zaher, 2005) \n* Mesoclemmys raniceps (Gray, 1856) - Amazon toad-headed turtle \n* Mesoclemmys tuberculata (Luederwaldt, 1926) - Tuberculate toad-headed turtle \n* Mesoclemmys vanderhaegei (Bour, 1973) - Vanderhaege's toad-headed turtle \n* Mesoclemmys zuliae (Pritchard and Trebbau, 1984) - Zulia toad-headed turtle