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 crassus

nominal species Unio diptychus Locard, 1889

Bourguignat in Locard, 1889, Contr. Faune Malacol. Franc. 13: 143 [37], 201 [95].
‘Surault’ Locard, 1893, Coqu. Eau Douce Saumâtre France: 169.
Type(s): POSSIBLE SYNTYPE MNHN_22192, La Loire à Ingrandes.

= Unio crassus

Taxonomic Opinions

+ Unio crassus Philipsson in Retzius, 1788 — Lopes-Lima et al., 2024
+ Unio crassus batavus (Maton & Rackett, 1807) — Haas, 1969
+ Unio crassus batavus (Maton & Rackett, 1807) — Haas, 1940
+ Unio batavus Maton et Rackett — Germain, 1931
- OMITTED — Simpson, 1914
= Unio (Batavusiana) diptychus Surrault in Locard, 1889 — Germain, 1904
= Unio (Groupe de l’U. batavus) diptychus Surrault — Locard, 1893
= Unio diptychus (Surrault) Locard, 1889 — Westerlund, 1890
= Unio (Batavusiana) diptychus Surrault, Nov. sp. — Locard, 1889

Page updated: 11:52:57 Tue 05 Nov 2024