Page last updated
Fri 02 Oct 2020

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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nominal species Unio requienii var. arcuata Drouët, 1857

Drouët, 1857, Étud. Naïades. France, Unio: pl. 7, fig. 3.
de Joannis, 1859, Ann. Soc. Linn. Maine-et-Loire 3: 291, pl. 11, fig. 2.
(misidentified reference to Unio arcuata Jacquemin, 1835)

= Unio delphinus

Taxonomic Opinions

+ Unio requieni Michaud — (Germain, 1931)
+ Unio (Cyrtusiana) souzanus [sic] Castro in Locard, 1889 — (Germain, 1904)
+ Unio (groupe de l’U. cyrtus) sousanus Castro in Locard, 1889 — (Locard, 1899)
+ Unio (Cyrtusiana) sousanus Castro, Nov. sp. — (Locard, 1889)
= Unio requienii var. arcuatus Nobis — (de Joannis, 1859)

Page updated: 14:39:51 Fri 02 Oct 2020

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