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!

Search the database pages:

Unionoida | Unionoidea | Unionidae | Ambleminae | Pleurobemini | Fusconaia subrotunda

nominal species Quadrula beauchampii Marsh, 1902

Marsh, 1902, Nautilus 16: 7, pl. 1, lower two figs.

= Fusconaia subrotunda

Taxonomic Opinions

+ Fusconaia subrotunda (Lea, 1831) — Williams et al., 2008
+ Fusconaia subrotunda (Lea, 1831) — Parmalee & Bogan, 1998
+ Fusconaia subrotunda (Lea, 1831) — Burch, 1975
+ Fusconaia pilaris (Lea, 1840) — Haas, 1969
+ Quadrula (Fusconia [sic]) pilaris (Lea, 1840) — Frierson, 1927
+ Fusconaia pilaris (Lea, 1840) — Ortmann, 1918
= Quadrula (sec. Fusconaia) beauchampii Marsh, 1902 — Simpson, 1914

Page updated: 08:33:07 Tue 01 Jul 2025