Bivalvia | Unionida | Unionoidea | Unionidae | Gonideinae
Modell, 1942. Arch. Moll. 74(5/6): 184.
Modell, 1964. Arch. Moll. 93: 101.
Type genus: Heudeana Frierson, 1922 = Ptychorhynchus
Starobogatov, 1970. Fauna Moll. Continent.: 61, 283.
Type genus: Leguminaia Conrad, 1865 = Leguminaia