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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Unionoida | Unionoidea | Unionidae | Unioninae | Unionini | Unio caffer

nominal species Unio gratiosus Paetel, 1890

Paetel, 1890, Cat. Conch.-Samml. 3: 154.
(reference to Unio gratiosus Küster, 1861)

= Unio caffer

Taxonomic Opinions

+ Unio (sec. Cafferia) diminutus Lea, 1859 — Simpson, 1914
+ Nodularia (sec. Cafferia) diminuta (Lea, 1859) — Simpson, 1900

Page updated: 08:30:49 Tue 01 Jul 2025