Bivalvia | Unionida | Unionoidea | Unionidae | Ambleminae | Pleurobemini | Plethobasus
3 available nominal species synonyms (9 total synonyms)
Plethobasus cyphyus — Graf & Cummings (2007), Burdick & White (2007), Williams et al. (2008), Campbell et al. (2008), Watters et al. (2009), ... Graf & Cummings (2021), FMCS (2021), Hopper et al. (2023), FMCS (2025), Campbell & Lydeard (2026)
Upper Mississippi and Ohio rivers, including the Cumberland Plateau, USA. (North America: NA2)

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UAUC_1639. (COI: AY613828, go to GenBank) Clinch River, Brooks Island, RM 184.5, Hancock Co. TN.
UAUC_3157. (16S: AY655058, ITS1: DQ383445, ND1: AY613799, go to GenBank) Clinch River, Frost Ford, RM 181.2, Hancock Co. TN.
Mp_4136 DNA Swab Pc01. (COI: MN649039, ITS1: MN649144, ND1: MN649088, go to GenBank)