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=10741

Search the database pages:

Bivalvia | Cardioida | Cardioidea | Cardiidae | Didacna trigonoides

nominal species Didacna trigonalis Graham-Ponton, 1869

‘Pallas’ Graham-Ponton, 1869, J. de Conch. 17: 225.
(error for Cardium trigonoides Pallas, 1771)

= Didacna trigonoides

Taxonomic Opinions

+ Didacna trigonoides (Pallas, 1771) — Lamy, 1946

Page updated: 11:40:12 Mon 08 Sep 2025