Bivalvia | Unionida | Unionoidea | Unionidae | Ambleminae | Lampsilini | Epioblasma
1 available nominal species synonym (2 total synonyms)
Epioblasma stewardsonii — Graf & Cummings (2007), Williams et al. (2008), Bogan (2010), Cummings & Graf (2010), ITIS (2012), Williams et al. (2017), Klymus et al. (2020), Graf & Cummings (2021), FMCS (2021), Hopper et al. (2023), FMCS (2025)
Dysnomia stewardsoni — ITIS (2012)
Epioblasma stewardsoni — Haag (2012)
Tennessee River, USA. Extinct. (North America: NA2)


ANSP_56572
Chattanooga River, Ga.
holotype
Unio stewardsonii Lea, 1852
There are no georeferenced GenBank vouchers for this species in the MUSSELpdb.