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Page last updated
Thu 17 July 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!

Bivalvia | ... | Unioninae | Unionini | Unio mancus

nominal species Unio orthellus Locard, 1882

Bourguignat in Locard, 1882. Prodr. Malac. Franç. 1: 288, 357.
Bérenguier, 1882. Faune malac. Var: 97.
‘Bérenguier’ Locard, 1889. Contr. Faune Malacol. Franc. 13: 140 [34].
Bérenguier in Locard, 1893. Coqu. Eau Douce Saumâtre France: 166.
Type(s): LECTOTYPE MNHN_22433 (by Graf, 2011: 495), La Grande-Garonne, à Fréjus (Var).

= Unio mancus

Taxonomic Opinions

+ Unio mancus requienii Michaud, 1831 — Prie, 2012

+ Unio elongatulus requienii Michaud, 1831 — Haas, 1969

+ Unio elongatulus requienii Michaud, 1831 — Haas, 1940

+ Unio mancus var. elongatulus Mühlfeld — Germain, 1931

= Unio (Groupe de l’U. elongatulus) orthellus Bérenguier — Locard, 1893

= Unio orthellus Béreng. — Westerlund, 1890

= Unio (Elongatulusiana) orthellus Berenguier in Locard — Locard, 1889

= Unio (Groupe de l’U. elongatulus) orthellus Bérenguier, 1881, Mss. — Locard, 1882

= Unio orthellus Nov. sp.: In Bourguignat, 1882. Mat. moll. acéph. — Bérenguier, 1882
 
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