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Page last updated
Thu 3 September 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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Bivalvia | ... | Unionidae | Unioninae | Unionini | Unionina | Unio nanus

nominal species Unio zoasthenus Locard, 1889

Locard, 1889. Contr. Faune Malacol. Franc. 13: 128 [22], 186 [80].
Locard, 1893. Coqu. Eau Douce Saumâtre France: 155.
Type(s): LECTOTYPE MNHN_22602 (by Graf, 2011: 511), Bois-Vieux (Jura).

= Unio nanus

Taxonomic Opinions

+ Unio nanus Lamarck, 1819 — Lopes-Lima et al., 2024

+ Unio mancus mancus Lamarck, 1819 — Prie, 2012

+ Unio crassus batavus (Maton & Rackett, 1807) — Haas, 1969

+ Unio crassus batavus (Maton & Rackett, 1807) — Haas, 1940

+ Unio mancus de Lamarck — Germain, 1931

= Unio zoasthenus Loc., 1889 — Rochebrune, 1903

= Unio (Groupe de l’U. melas) zoasthenus Locard — Locard, 1893

= Unio zoasthenus Loc., 1889 — Westerlund, 1890

= Unio (Melasiana) zoasthenus Locard, Nov. sp. — Locard, 1889
 
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