Bivalvia | Unionida | Unionoidea | Unionidae | Ambleminae | Pleurobemini | Fusconaia
9 available nominal species synonyms (12 total synonyms)
Fusconaia masoni — Graf & Cummings (2007), Burdick & White (2007), Williams et al. (2008), Bogan (2010), Cummings & Graf (2010), ... FMCS (2021), Bolotov et al. (2022), Hopper et al. (2023), Hauck et al. (2023), FMCS (2025)
Lexingtonia subplana — Graf & Cummings (2007), Cummings & Graf (2010), ITIS (2012), Jones (2015)
Lexingtonia utricula — Graf & Cummings (2007), Cummings & Graf (2010)
Fusconaia subplana — Bogan (2010)
Ogeechee River north to the James, southern Atlantic Slope, USA.

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UF_438289. (5.8S: MH133893, COI: MF961942, ITS1: MH133893, ND1: MH133774, go to Genbank) USA, North Carolina, Halifax County, Little Fishing Creek, just below SR1338 (Fishing Creek Rd) bridge (36.186, -77.8759).
UF_438274. (5.8S: MH133892, COI: MF961941, ITS1: MH133892, ND1: MH133773, go to Genbank) USA, North Carolina, Person County, Deep Creek, 300-500 m downstream of Smith Rd crossing (36.23687, -78.88857).