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!

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Unionoida | Unionoidea | Unionidae | Ambleminae | Pleurobemini | Fusconaia masoni

nominal species Parreysia robsoni Frierson, 1927

‘Lea’ Sowerby, 1866, Conch. Icon. 16: pl. 36, sp. 198 [as ‘Unio pumilus’].
Frierson, 1927, Check List N. Amer. Naiades: 45.
(new name for Unio pumilus Sowerby, 1866)
Type(s): HOLOTYPE BMNH_1965150, Loc._ ?

= Fusconaia masoni

Taxonomic Opinions

+ Fusconaia masoni (Conrad, 1834) — Bolotov et al., 2022
+ Parreysia favidens (Benson, 1862) — Haas, 1969
= Parreysia robsoni Frierson, 1927 — Frierson, 1927

Page updated: 08:36:49 Tue 01 Jul 2025