Bivalvia | Unionida | Unionoidea | Unionidae | Ambleminae | Pleurobemini | Elliptio
82 available nominal species synonyms (96 total synonyms)
Elliptio complanata — Graf & Cummings (2007), Kneeland & Rhymer (2007), Watters et al. (2009), Bogan (2010), Ward et al. (2010), ... MolluscaBase (2024), Wu et al. (2024), Dai et al. (2025), Chen et al. (2025), FMCS (2025)
“L.” complanata — Marshall et al. (2018)
Widespread from the Hudson Bay and the Great Lakes basins, and down the Atlantic Slope to Georgia, North America. Introduced to various localities in the Interior basin.

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UAUC_384. (ND1: AY158780, go to Genbank) Connecticut R., Massachusetts.