Page last updated
Thu 17 July 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), ... Matos et al. (2024), Wu et al. (2024), Jeratthitikul et al. (2024), Zhang et al. (2024), Dai et al. (2025)
Unio — Martens (1900), Preston (1912)