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 | Contradentini

genus Yaukthwa Konopleva, Pfeiffer, Vikhrev, Kondakov, Gofarov, Aksenova, Lunn, Chan & Bolotov, 2019: synonymy
     11 Recent valid species (11 total species)

Taxonomic History (since 1900)

Trapezoideus — Simpson (1900), Preston (1912), Simpson (1914), Preston (1915), Haas (1919), ... He & Zhuang (2013), Bolotov et al. (2017), Bolotov et al. (2018), Huang et al. (2019), Lopes-Lima et al. (2020)
Parreysia (s.s.) — Preston (1915)
Margaritanopsis — Prashad (1922)
Contradens — Bolotov et al. (2017), Wu et al. (2021)
Yaukthwa — Konopleva et al. (2019), Bolotov et al. (2019), Konopleva et al. (2019), Bolotov et al. (2019), Pfeiffer et al. (2019), ... Bolotov et al. (2023), Wu et al. (2024), Liu et al. (2024), Zieritz et al. (2024), Wu et al. (2024)
Indonaia — Bolotov et al. (2019), Graf & Cummings (2021)
Balwantia — Bolotov et al. (2020), Graf & Cummings (2021)