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 fragilis (Lamarck, 1819): specimens
     8 available nominal species synonyms (12 total synonyms)

Recent Taxonomic Opinions

Pyganodon fragilis — Cyr et al. (2007), Zanatta et al. (2007), Chong et al. (2008), Bogan (2010), ITIS (2012), ... Krebs et al. (2019), Beauchamp et al. (2020), Graf & Cummings (2021), FMCS (2021), FMCS (2025)

Range

Northern Atlantic Slope, Canada.

Map of Georeferenced Specimens

Canada

USA