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 mancus

nominal species Unio requienii var. permaxima Dupuy, 1877

Dupuy, 1877, J. de Conch. 25: 18, 22.
(intro'd as intra-sp. of Unio requienii Michaud, 1831)

= Unio mancus

Taxonomic Opinions

+ Unio tumidus var. maximus Mörch — Germain, 1931
+ Unio (Groupe de l’U. rostratus) malafossianus P. Fagot, Mss. — Locard, 1882

Page updated: 08:26:26 Tue 01 Jul 2025