Etheria is a genus of freshwater oysters in the Etheriidae family of mollusk bivalves, and a part of the Unionida order.

[1] The genus includes a single species, Etheria elliptica, that is found throughout Africa and Madagascar.

[2] Etheria elliptica was first described by Jean-Baptiste Lamarck in 1807, and lives in river basins along the Nile, Lake Tanganyika and Lake Victoria, and in Chad, Zaire, Niger, Senegal, and Angola.

[3] Etheria are found as fossils at paleontological sites in Africa, including at Lake Turkana 3-5 million years ago.

[4] It first appears in the Miocene in northeast Zaire.