MUSSELp
 
MUSSELpdb
 
 
Taxonomy
 
 
Geography
 
 
 

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!

Search the database pages:

Bivalvia | Unionida | Unionoidea | Unionidae | Unioninae | Unionini | Globunionina

genus Pseudoacuticosta Wu, Wang, Nan, Cheng & An, 2026: synonymy
     1 Recent valid species (1 total species)

Pseudoacuticosta Wu et al., 2026
Wu et al., 2026. Contributions to Zoology 95: 41.
Type species: Unio retiarius Heude, 1883 (orig. desig.) = Pseudoacuticosta retiaria

Taxonomic History (since 1900)

Parreysia (Acuticosta)Simpson (1900), Simpson (1914)
AcuticostaHaas (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), Campbell & Lydeard (2026)
PseudoacuticostaWu et al. (2026)

 
NSF icon MUSSEL icon
"Making the world a better place, one mollusk at a time."