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 nanus

nominal species Unio passavanti Locard, 1889

Bourguignat in Locard, 1889, Contr. Faune Malacol. Franc. 13: 159 [53], 238 [132].
‘Bourguignat’ Locard, 1893, Coqu. Eau Douce Saumâtre France: 178.
Type(s): POSSIBLE SYNTYPE MNHN_22442, Passavant (Haute-Seine).

= Unio nanus

Taxonomic Opinions

+ Unio nanus Lamarck, 1819 — Lopes-Lima et al., 2024
+ Unio mancus moquinianus Dupuy, 1843 — Prie, 2012
+ Unio crassus batavus (Maton & Rackett, 1807) — Haas, 1969
+ Unio crassus batavus (Maton & Rackett, 1807) — Haas, 1940
+ Unio consentaneus var. moquini — Germain, 1931
= Unio (Groupe de l’U. ater) passavanti Bourguignat — Locard, 1893
= Unio passavanti (Bgt.) Loc., 1889 — Westerlund, 1890
= Unio (Mariana) passavanti Bourguignat, Nov. sp. — Locard, 1889

Page updated: 08:29:58 Tue 01 Jul 2025