Page last updated
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 | Anodontini | Alasmidontina | Pyganodon

species Pyganodon lacustris (Lea, 1857): specimens
     1 available nominal species synonym (2 total synonyms)

Recent Taxonomic Opinions

Pyganodon lacustris — Zanatta et al. (2007), Watters et al. (2009), Bogan (2010), IUCN (2011), Breton et al. (2011), ... Whelan et al. (2023), Hopper et al. (2023), Perkins et al. (2025), FMCS (2025), Campbell & Lydeard (2026)
Pyganodon grandis — Haag (2012)

Range

Interior and Great Lakes basins in Minnesota, Wisconsin, and Michigan, USA; also Quebec, Canada.

Map of Georeferenced Specimens

USA