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!

The MUSSEL Project Database has moved to a new server, with a new URL! The new address for this page is: https://musselpdb.org/db.php?ty=nomsp&id=2243

Search the database pages:

Unionoida | Unionoidea | Unionidae | Unioninae | Unionini | Unio elongatulus

nominal species Unio cusianus Pini, 1884

Pini, 1884, Atti Soc. Ital. Sci. Nat. 27: 82, text fig.

= Unio elongatulus

Taxonomic Opinions

+ Unio elongatulus C. Pfeiffer, 1825 — Marrone et al., 2019
+ Unio elongatulus glaucinus Porro, 1838 — Haas, 1969
= Unio cusianus Pini — Westerlund, 1890

Page updated: 11:43:41 Mon 08 Sep 2025