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Page last updated
Mon 28 Jul 2025

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 delphinus

nominal species Unio sousanus Locard, 1889


Drouët, 1857, Étud. Naïades. France, Unio: pl. 7, fig. 3 [as ‘Unio requienii var. acruata’].
de Joannis, 1859, Ann. Soc. Linn. Maine-et-Loire 3: 291, pl. 11, fig. 2 [as ‘Unio requienii var. acruatus’].
‘Castro’ Locard, 1889, Contr. Faune Malacol. Franc. 13: 165 [59].
‘Castro’ Locard, 1893, Coqu. Eau Douce Saumâtre France: 197, fig. 211 [as ‘souzanus’].
‘Castro’ Locard, 1899, Conchyliol. Portug.: 258.
Type(s): LECTOTYPE MNHN_22545, le Rhône, à Valence (Drôme).

= Unio delphinus

Taxonomic Opinions

+ Unio mancus requienii Michaud, 1831 — Prie, 2012
+ Unio delphinus Spengler, 1793 — Araujo et al., 2009
+ Unio elongatulus requienii Michaud, 1831 — Haas, 1969
+ Unio elongatulus requienii Michaud, 1831 — Haas, 1940
+ 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 (Groupe de l’U. gestroianus) souzanus [sic] Castro — Locard, 1893
+ Unio arcuatusWesterlund, 1890
= Unio (Cyrtusiana) sousanus Castro, Nov. sp. — Locard, 1889

Page updated: 09:35:47 Mon 28 Jul 2025

 
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