| Page last updatedWed 1 October 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! 
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 Bivalvia | Unionoida | Unionoidea | Unionidae | Ambleminae | Pleurobemini | Eurynia species Eurynia dilatata (Rafinesque, 1820): specimens20 available nominal species synonyms (26 total synonyms)
 Recent Taxonomic OpinionsElliptio dilatata — Graf & Cummings (2007), Burdick & White (2007), Tiemann et al. (2007), Williams et al. (2008), Elderkin et al. (2008), ... Wu et al. (2018), Huang et al. (2019), Klymus et al. (2020), Gasparini et al. (2020), Jeratthitikul et al. (2022)Eurynia dilatata — Campbell & Lydeard (2012), Williams et al. (2017), Inoue et al. (2018), Pieri et al. (2018), Inoue et al. (2020), Smith et al. (2020), Graf & Cummings (2021), FMCS (2021), Hopper et al. (2023), FMCS (2025)
 Elliptio (Eurynia) dilatata — Campbell & Lydeard (2012), Burlakova et al. (2012), Perkins et al. (2017)
 Eurynia (Elliptio) dilatata — Porto-Hannes et al. (2021)
 RangeWidespread in the Interior and Great Lakes basins, North America. Map of Georeferenced Specimens
 ANSP_20236. none given 
 USA|  USNM_150523
 Armathwaite, Fentress Co., Tenn
 |  ANSP_20248
 Kentucky River
 |  ANSP_20252
 Kentucky River
 |  |  USNM_86103
 Ohio R., Cincinnati, Ohio
 |  CM_61.4628
 Presque Isle Bay, Erie, Erie County, Pennsylvania
 |  MNHN_MPL_0022
 rapporte Lac Erie
 |  |  USNM_128797
 St. Francis R., Greenway, Clay Co., Arkansas
 |  USNM_84969
 Stone R., Tenn.
 | 
 Georeferenced Genbank Vouchers
 USAUMMZ_265700. (COI: AF156506, go to Genbank) Clinton River, Michigan. UAUC_2721. (ND1: AY655094, go to Genbank) Duck River, Venable Spring, Marshall Co., TN. UMMZ_265701. (28S: AF400690, COI: AF156507, go to Genbank) Huron River, MI. UAUC_2735. (ITS1: DQ383440, ND1: AY613789, go to Genbank) Obed River at Alley Ford, Morgan Co. TN. MMN4625 (Ed01_SouthF). (COI: KF035280, ND1: KF035420, go to Genbank) South Fork of the Spring River, Fulton Co., AR (36.208, -91.3949). UF_441302_1. (5.8S: MN649140, COI: MN649035, ITS1: MN649140, ND1: MN649084, go to Genbank) USA, Virginia, Russell County, Clinch River at Cleveland Islands (36.93711, -82.16432). UF_441302_2. (5.8S: MN649141, COI: MN649036, ITS1: MN649141, ND1: MN649085, go to Genbank) ditto. |