Bivalvia | Unionida | Unionoidea | Unionidae | Ambleminae | Lampsilini | Epioblasma
Walker, 1910. Nautilus 24(4): 42, pl. 3, figs. 3 [female], 4-5 [male].
Type(s): LECTOTYPE UMMZ_91456 (by R.I. Johnson, 1978: 283), Holston River, Tennessee.
Truncilla (Dysnomia) lewisii — Simpson (1914)
Truncilla lewisi — Ortmann (1918)
Dysnomia (s.s.) lewisi — Ortmann (1924), Frierson (1927), Haas (1969)
Dysnomia lewisi — Stansbery (1970), Burch (1975)
Plagiola (Epioblasma) flexuosa — R.I. Johnson (1978)
Epioblasma lewisii — Turgeon et al. (1988), Bogan (1993), Turgeon et al. (1998), Lydeard et al. (1999), IUCN (2000), ... Williams et al. (2017), Graf & Cummings (2021), FMCS (2021), Hopper et al. (2023), FMCS (2025)
Epioblasma lewisi — Williams et al. (1993), Parmalee & Bogan (1998), Watters et al. (2009), Haag (2012)
‘Hildreth’ Lewis, 1871. Amer. J. Conch. 6: 218.
Truncilla lewisi — Ortmann (1918)
Truncilla (Dysnomia) lewisii — Simpson (1914)
Truncilla lewisi — Ortmann (1918)
Dysnomia (s.s.) lewisi — Ortmann (1924), Frierson (1927), Haas (1969)
Dysnomia lewisi — Stansbery (1970), Burch (1975)
Plagiola (Epioblasma) flexuosa — R.I. Johnson (1978)
Epioblasma lewisii — Turgeon et al. (1988), Bogan (1993), Turgeon et al. (1998), Lydeard et al. (1999), IUCN (2000), ... Williams et al. (2017), Graf & Cummings (2021), FMCS (2021), Hopper et al. (2023), FMCS (2025)
Epioblasma lewisi — Williams et al. (1993), Parmalee & Bogan (1998), Watters et al. (2009), Haag (2012)