The genus is broadly distributed in sub-Saharan Africa ranging from the Nile Basin to the Congo Basin and including Lake Malawi, Lake Victoria and Lake Albert. One species occurs as far west as the Ivory Coast. Some taxa are known to tolerate hypersaline conditions of Lake Assal in Djibouti.
- (and other less consequential bivalves)
- C.Michael Hogan. 2011. Lake Assal. Encyclopedia of Earth, National Council for Science and the Environment. ed. P. Saundry
- The Mussel Project. 2013. The Freshwater Mussels (Unionoida) of the World