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 | Gonideinae | Rectidentini

genus Rectidens Simpson, 1900: synonymy
     2 Recent valid species (2 total species)

Taxonomic History (since 1900)

Rectidens — Simpson (1900), Simpson (1914), Haas (1914), Thiele (1934), van Benthem Jutting (1953), ... Wu et al. (2024), Jeratthitikul et al. (2024), Zhang et al. (2024), Dai et al. (2025), Chen et al. (2025)
Unio — Martens (1900), Preston (1912)