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 | Unionoida | Unionoidea | Unionidae | Ambleminae | Lampsilini | Epioblasma

species Epioblasma triquetra (Rafinesque, 1820): specimens
     6 available nominal species synonyms (7 total synonyms)

Recent Taxonomic Opinions

Epioblasma triquetra — Graf & Cummings (2007), Tiemann et al. (2007), Williams et al. (2008), Zanatta & Murphy (2008), Watters et al. (2009), ... Gasparini et al. (2020), Graf & Cummings (2021), FMCS (2021), Hopper et al. (2023), FMCS (2025)

Range

Widespread in the Interior and Great Lakes basins, North America.

Map of Georeferenced Specimens

unknown

Georeferenced Genbank Vouchers

USA

UAUC_2779. (ND1: AY094375, go to Genbank) ditto.

UMMZ_265716. (28S: DQ191424, COI: AF156528, go to Genbank) Clinton River, MI.