Page last updated
9 August

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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 search fields. Either way, you win!

Taxa known only as fossils are highlighted in gray. Those without representatives in fresh waters are highlighted in gold.




NOTICE! This version of the MUSSELpdb online is no longer supported or up-to-date. It will be removed from this web site in the summer of 2019.

Click here to view these data in the current, updated version. Or, click here to browse from the starting page.

Publication Information

Araujo, R., D. Buckley, K.-O. Nagel, R. García-Jiménez & A. Machordom. 2017. Species boundaries, geographic distribution and evolutionary history of the Western Palearctic freshwater mussels Unio (Bivalvia: Unionidae). Journal of the Linnean Society, Zoology early online.
Availably electronically? yes.

Species Described

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Taxonomic Opinions
Anodonta anatina. — Araujo et al. (2017).
Margaritifera auricularia. — Araujo et al. (2017).
Pyganodon grandis. — Araujo et al. (2017).
Unio bruguierianus Bourguignat, 1853. — Araujo et al. (2017).
Unio crassus Retzius, 1788. — Araujo et al. (2017).
Unio crassus courtillierii [sic] Hattemann, 1859. — Araujo et al. (2017).
Unio delphinus Spengler, 1793. — Araujo et al. (2017).
Unio douglasiae. — Araujo et al. (2017).
Unio durieui Deshayes, 1847. — Araujo et al. (2017).
Unio elongatulus C. Pfeiffer, 1825. — Araujo et al. (2017).
Unio foucauldiana. — Araujo et al. (2017).
Unio gibbus. — Araujo et al. (2017).
Unio ionicus Drouët, 1879. — Araujo et al. (2017).
Unio mancus Lamarck, 1819. — Araujo et al. (2017).
Unio pictorum (Linnaeus, 1758). — Araujo et al. (2017).
Unio ravoisieri Deshayes, 1848. — Araujo et al. (2017).
Unio tigridis Bourguignat, 1852. — Araujo et al. (2017).
Unio tumidiformis. — Araujo et al. (2017).
Unio tumidus Retzius, 1788. — Araujo et al. (2017).
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