Bivalvia | ... | Unionoidea | Unionidae | Ambleminae | Pleurobemini | Fusconaia masoni

nominal species Unio castus Simpson, 1900

Unio castus Simpson, 1900 = Fusconaia masoni

‘Lea’ Simpson, 1900. Proc. U.S. Nat. Mus. 22: 708.
(reference to Unio castus Lea, 1860)

= Fusconaia masoni

Taxonomic Opinions

+ Elliptio (s.s.) masoni (Conrad, 1834) — Haas, 1969

+ Elliptio (s.s.) masoni (Conrad, 1834) — Frierson, 1927