Bivalvia | Unionida | Unionoidea | Unionidae | Ambleminae | Lampsilini | Epioblasma

Lea, 1861. Proc. Acad. Nat. Sci. 13: 392.
Lea, 1862. Jour. Acad. Nat. Sci. 5 [O. 9]: 192, pl. 25, fig. 261.
Type(s): SYNTYPES USNM_84802, Wabash R., New Harmony, Ind.
Truncilla (Pilea) sampsonii — Simpson (1900), Simpson (1914)
Unio (s.s.) perplexus — Call (1900)
Dysnomia (Torulosa) sampsonii — Frierson (1927), Haas (1969)
Dysnomia sampsoni — Stansbery (1970)
Dysnomia torulosa torulosa — Burch (1975)
Plagiola (Torulosa) sampsoni — R.I. Johnson (1978)
Plagiola sampsonii — R.I. Johnson (1980)
Epioblasma sampsonii — Turgeon et al. (1988), Cummings & Mayer (1992), Williams et al. (1993), Bogan (1993), Cummings & Mayer (1997), ... Williams et al. (2017), Graf & Cummings (2021), FMCS (2021), Hopper et al. (2023), FMCS (2025)
Epioblasma sampsoni — Haag (2012)
Truncilla (Pilea) sampsonii — Simpson (1900), Simpson (1914)
Unio (s.s.) perplexus — Call (1900)
Dysnomia (Torulosa) sampsonii — Frierson (1927), Haas (1969)
Dysnomia sampsoni — Stansbery (1970)
Dysnomia torulosa torulosa — Burch (1975)
Plagiola (Torulosa) sampsoni — R.I. Johnson (1978)
Plagiola sampsonii — R.I. Johnson (1980)
Epioblasma sampsonii — Turgeon et al. (1988), Cummings & Mayer (1992), Williams et al. (1993), Bogan (1993), Cummings & Mayer (1997), ... Williams et al. (2017), Graf & Cummings (2021), FMCS (2021), Hopper et al. (2023), FMCS (2025)
Epioblasma sampsoni — Haag (2012)