Bivalvia | Unionida | Unionoidea | Unionidae | Ambleminae | Lampsilini | Obovaria
5 available nominal species synonyms (8 total synonyms)
Obovaria retusa — Graf & Cummings (2007), Williams et al. (2008), Watters et al. (2009), Bogan (2010), Cummings & Graf (2010), ... Watters (2018), Graf & Cummings (2021), FMCS (2021), Hopper et al. (2023), FMCS (2025)
Obovaria (s.s.) retusa — Campbell & Lydeard (2026)
Ohio, Cumberland and Tennessee rivers, USA. (North America: NA2)

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Mp_3528_Ore1_Green. (COI: KF035134, ND1: KF035282, go to GenBank) Green River, Hart Co., KY (37.2684, -85.8856).