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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!

Bivalvia | ... | Unionoidea | Unionidae | Unioninae | Unionini | Unio crassus

nominal species Unio hamburgiensis Servain, 1888

= Unio crassus

Taxonomic Opinions

+ Unio crassus Philipsson in Retzius, 1788 — Lopes-Lima et al., 2024

+ Unio (Crassiana) crassus Retzius, 1788 — Vinarski & Kantor, 2016

+ Unio crassus crassus Retzius, 1788 — Haas, 1969

+ Unio crassus crassus Retzius, 1788 — Haas, 1940

+ Unio crassus Philippson — Germain, 1931

+ — Simpson, 1914

= Unio (Groupe de l’U. feliciani) hamburgiensis Servain — Locard, 1893

= Unio hamburgiensis Servain, 1888 — Westerlund, 1890

= Unio (Crassiana) hamburgiensis Servain — Locard, 1889

= Unio (Amniciana) hamburgiensis Servain, Nov. spec. — Servain, 1888