Page last updated
Thu 3 September 2025

The Freshwater Mussels (Unionoida) of the World (and other less consequential bivalves)

FM(U)otW(aolcb) is the web version of the MUSSEL Project Database. Follow the links to browse the data or use the custom Google search field. Either way, you win!

Bivalvia | Unionoida | Unionoidea | Unionidae | Ambleminae | Popenaiadini

genus Popenaias Frierson, 1927: synonymy
     4 Recent valid species (4 total species)

Taxonomic History (since 1900)

Lampsilis (Proptera) — Simpson (1900), Simpson (1914)
Unio (sec. Elliptio) — Simpson (1900), Simpson (1914)
Unio (Nephronaias) — Martens (1900)
Unio (Simonaias) — Martens (1900)
Lampsilis — Pilsbry (1910), Simpson (1914)
Elliptio — Ortmann (1912)
Elliptio (Popenaias) — Frierson (1927), Haas (1929)
Lampsilis (Friersonia) — Frierson (1927)
Elliptio (sec. Popenaias) — Thiele (1934)
Friersonia — Haas (1969)
Nephronaias (Popenaias) — Haas (1969), Haas (1969)
Popenaias — Heard & Guckert (1970), Burch (1975), Turgeon et al. (1988), Williams et al. (1993), Howells et al. (1996), ... Dai et al. (2025), Freeman et al. (2025), Chen et al. (2025), FMCS (2025), Cummings et al. (2025)