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 | Unionida | Unionoidea | Unionidae | Gonideinae | Gonideini

genus Inversidens Haas, 1911: synonymy
     5 Recent valid species (5 total species)

Taxonomic History (since 1900)

Nodularia (s.s.) — Simpson (1900), Haas (1911), Simpson (1914), Haas (1924)
Quadrula (Lamprotula) — Simpson (1900)
Parreysia (s.s.) — Simpson (1900), Simpson (1914)
Nodularia (sec. Inversidens) — Haas (1911)
Acuticosta — Haas (1914), Haas (1969), Prozorova et al. (2005), Hu (2005), Graf & Cummings (2007), ... Zieritz et al. (2018), Liu et al. (2020), Graf & Cummings (2021), Liu et al. (2022), Chen et al. (2025)
Unio — Simpson (1914), Zhadin (1965), Bába (2000)
Nodularia — Haas (1920), Prozorova et al. (2005), Bogatov & Prozorova (2017)
Inversidens — Thiele (1934), Kuroda (1963), Haas (1969), Haas (1969), Habe (1977), ... Liu et al. (2024), Zhang et al. (2024), Dai et al. (2025), Campbell & Lydeard (2026), Wu et al. (2026)
Unio (Nodularia) — Zhadin (1938)
Middendorffinaia (Pseudopotomida) — Moskvicheva & Starobogatov (1973), Korniushin (1998), Bogatov & Prozorova (2017)
Inversidena [sic] — Habe (1991)