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!

Search the database pages:

Unionoida | Unionoidea | Unionidae | Unioninae | Unionini | Unio tumidus

nominal species Unio tumidulus Locard, 1889

Rossmässler, 1836, Icon. Land- und Süssw.-Moll. 1 (3): pl. 14, fig. 203 [as ‘Unio tumidus’].
Rossmässler, 1838, Icon. Land- und Süssw.-Moll. 2 (1-2): pl. 40, fig. 542 [as ‘Unio tumidus’].
Locard, 1889, Contr. Faune Malacol. Franc. 13: 176 [70], 261 [155].
Locard, 1893, Coqu. Eau Douce Saumâtre France: 213.
(homonym of Unio tumidulus Lea, 1856)
Type(s): LECTOTYPE MNHN_22586, La Seine à Rouen (Seine-Inférieure).

= Unio tumidus

Taxonomic Opinions

+ Unio tumidus tumidus Retzius, 1788 — Haas, 1969
+ Unio tumidus tumidus Retzius, 1788 — Haas, 1940
+ Unio tumidus Philippson — Germain, 1931
+ Unio tumidus Philippsson — Germain, 1908
= Unio (Groupe de l’U. tumidus) tumidulus Locard — Locard, 1893
+ Unio tumidus var. mülleri Rssm. — Westerlund, 1890
= Unio (Tumidusiana) tumidulus Locard, Nov. sp. — Locard, 1889

Page updated: 12:19:00 Tue 03 Jun 2025