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Page last updated
Wed 1 October 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!

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Bivalvia | Sphaerioida | Sphaerioidea | Sphaeriidae | Euperinae

genus Eupera Bourguignat, 1854: synonymy
     33 Recent freshwater species (33 total species)

Eupera Bourguignat, 1854
Bourguignat, 1854. Rev. Mag. Zool. 6: 84.
(intro'd as sub-gen. of Pisidium Pfeiffer, 1821)
Type species: Pisidium moquinianum Bourguignat, 1854 = Eupera bahiensis

Limosina Clessin, 1872
Clessin, 1872. Malak. Blatt. 19: 160.
(homonym of Macquart, 1835 [Dipt.])
Type species: Cyclas bahiensis Wagner, 1827 = Eupera bahiensis

Clessinella Waagen, 1905
Waagen, 1905. S. B. Akad. Wien, Math.-naturw. Kl. 114(1): 171.
Type species: Sphaerium (Clessinella) sturanyi Waagen, 1905 = Eupera sturanyi

Taxonomic History (since 1900)

EuperaMartens (1900), Pallary (1909), Pallary (1924), Pilsbry & Bequaert (1927), H.B. Baker (1930), ... Clewing et al. (2020), Saito et al. (2022), Clewing et al. (2022), Bespalaya et al. (2023), Czaja et al. (2023)
Sphærium (Eupera)Dall (1903)

 
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