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 | Parreysiinae | Lamellidentini

genus Trapezidens Bolotov, Vikhrev & Konopleva in Bolotov et al., 2017: synonymy
     6 Recent valid species (6 total species)

Taxonomic History (since 1900)

Lamellidens (s.s.) — Simpson (1900), Preston (1912), Simpson (1914), Preston (1915)
Trapezoideus — Simpson (1900), Preston (1912), Simpson (1914), Preston (1915), Haas (1919), ... Pfeiffer & Graf (2015), Kongim et al. (2015), Lopes-Lima et al. (2017), Zieritz et al. (2018), Do et al. (2018)
Lamellidens — Prashad (1922), Haas (1969), Subba Rao (1989), Graf & Cummings (2007), Ramakrishna & Dey (2007), ... Bolotov et al. (2017), Bolotov et al. (2017), Konopleva et al. (2017), Zieritz et al. (2018), Bolotov et al. (2022)
Trapezidens — Bolotov et al. (2017), Bolotov et al. (2018), Huang et al. (2019), Jeratthitikul et al. (2019), Konopleva et al. (2020), ... Bolotov et al. (2022), Konopleva et al. (2023), Bolotov et al. (2024), Dai et al. (2024), Dai et al. (2024)