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

Lea, 1857. Proc. Acad. Nat. Sci. 9: 83.
Lea, 1862. Jour. Acad. Nat. Sci. 5 [O. 8]: 63 [67], pl. 5, fig. 212.
Type(s): HOLOTYPE USNM_84332, Florence, Alabama.
Truncilla (Pilea) propinqua — Simpson (1900), Simpson (1914)
Truncilla propinqua — Ortmann (1918)
Dysnomia (s.s.) torulosa — Ortmann (1924)
Dysnomia (Pilea) torulosa propinqua — Ortmann (1925)
Dysnomia (Torulosa) propinqua — Frierson (1927), Haas (1969)
Dysnomia propinqua — Stansbery (1970)
Dysnomia torulosa propinqua — Burch (1975)
Plagiola (Torulosa) propinqua — R.I. Johnson (1978)
Plagiola propinqua — R.I. Johnson (1980)
Epioblasma propinqua — 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)
Truncilla (Pilea) propinqua — Simpson (1900), Simpson (1914)
Truncilla propinqua — Ortmann (1918)
Dysnomia (s.s.) torulosa — Ortmann (1924)
Dysnomia (Pilea) torulosa propinqua — Ortmann (1925)
Dysnomia (Torulosa) propinqua — Frierson (1927), Haas (1969)
Dysnomia propinqua — Stansbery (1970)
Dysnomia torulosa propinqua — Burch (1975)
Plagiola (Torulosa) propinqua — R.I. Johnson (1978)
Plagiola propinqua — R.I. Johnson (1980)
Epioblasma propinqua — 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)