Page last updated
Thu 7 August 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 | ... | Anodontini | Alasmidontina | Arcidens confragosus

Specimen USNM_745596: Images
     Arcidens confragosus (Say, 1829), Mississippi River, West shore at Red Wing, Minn. [40 mi SE Saint Paul, Minn.; R14W, T113N; Goodhue Co., Minn.]