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=9900

Search the database pages:

Unionoida | Unionoidea | Unionidae | Unioninae | Unionini | Unio bituberculosus

nominal species Sculptunio bituberculosus trigonoides Lindholm, 1932

Lindholm, 1932, Trans. United Geol. Prosp. Serv. USSR 238: ??.
(intro'd as intra-sp. of Unio bituberculosus Martens, 1874)

= Unio bituberculosus

Taxonomic Opinions

= Unio (Sculptunio) bituberculosus trigonoides (Lindholm) — Haas, 1969

Page updated: 11:52:51 Mon 08 Sep 2025