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., C. Toledo & A. Machordom. 2009. Redescription of Unio gibbus Spengler, 1793, a west Palaearctic freshwater mussel with hookless glochidia. Malacologia 51(1): 131-141.
Availably electronically? yes.

Species Described

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Taxonomic Opinions
Amblema plicata (Say, 1817). — Araujo et al. (2009: 132).
Anodonta cygnea (Linnaeus, 1758). — Araujo et al. (2009: 132).
Margaritifera auricularia (Spengler, 1793). — Araujo et al. (2009: 132).
Potomida littoralis (Cuvier, 1798). — Araujo et al. (2009: 132).
Unio caffer Krauss, 1848. — Araujo et al. (2009: 132).
Unio crassus Philipsson, 1788. — Araujo et al. (2009: 132).
Unio douglasiae Gray in Griffith & Pidgeon, 1833. — Araujo et al. (2009: 132).
Unio gibbus Spengler, 1793. — Araujo et al. (2009: 133).
Unio mancus Lamarck, 1819. — Araujo et al. (2009: 132).
Unio pictorum (Linnaeus, 1758). — Araujo et al. (2009: 132).
Unio tumidiformis. — Araujo et al. (2009: 138).
Unio tumidus Philipsson, 1788. — Araujo et al. (2009: 132).
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