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Epioblasma biloba Rafinesque, 1831

Rafinesque, 1831. Continuation: 2.
Rafinesque, 1864. [in] Binney & Tryon, reprint: 72.

Epioblasma biloba — Simpson (1914)
Dysnomia (s.s.) flexuosa — Ortmann & Walker (1922), Haas (1969)
Epioblasma (s.s.) foliatum — Thiele (1934)
Plagiola (Epioblasma) flexuosa — R.I. Johnson (1978)
Epioblasma torulosa — Parmalee & Bogan (1998), Williams et al. (2008)
Epioblasma flexuosa — Graf & Cummings (2007)
Epioblasma torulosa rangiana — Watters et al. (2009)
Epioblasma rangiana — Graf & Cummings (2021)

Epioblasma biloba var. pallida Rafinesque, 1831

Rafinesque, 1831. Continuation: 2.
Rafinesque, 1864. [in] Binney & Tryon, reprint: 72.
(intro'd as intra-sp. of Epioblasma biloba Rafinesque, 1831)

Unio rangianus Lea, 1838

Lea, 1836. Synopsis Fam. Naiades: addenda. [nomen nudum]
Lea, 1838. Trans. Amer. Phil. Soc. 6 [O. 2]: 95, pl. 18, fig. 56.
Type(s): SYNTYPES USNM_84798, Mahoning R., near Poland, Ohio.

Truncilla (Pilea) perplexa var. rangiana — Simpson (1900), Simpson (1914)
Unio (s.s.) perplexus — Call (1900)
Truncilla perplexa rangianus — Ortmann (1909), Ortmann (1910)
Truncilla perplexa rangiana — Ortmann (1909)
Truncilla (Pilea) perplexa rangiana — Ortmann (1909)
Truncilla rangiana — Ortmann (1912)
Unio rangianus, var. — de Gregorio (1914)
Dysnomia (Torulosa) rangiana — Frierson (1927)
Dysnomia (Torulosa) torulosa rangiana — Haas (1969)
Dysnomia torulosa — Stansbery (1970)
Dysnomia torulosa torulosa — Burch (1975)
Plagiola (Torulosa) torulosa — R.I. Johnson (1978)
Epioblasma torulosa rangiana — Turgeon et al. (1988), Williams et al. (1993), Strayer & Jirka (1997), Turgeon et al. (1998), IUCN (2000), ... Zanatta & Harris (2013), Inoue et al. (2018), Hewitt et al. (2019), Klymus et al. (2020), Gasparini et al. (2020)
Epioblasma rangiana — Cummings & Mayer (1992), Cummings & Mayer (1997), Campbell & Lydeard (2012), Williams et al. (2017), Burlakova et al. (2019), Smith et al. (2019), Graf & Cummings (2021), FMCS (2021), Hopper et al. (2023), FMCS (2025)
Epioblasma torulosa — Parmalee & Bogan (1998), Williams et al. (2008)

Truncilla (Scalenaria) sulcata var. delicata Simpson, 1900

Simpson, 1900. Proc. U.S. Nat. Mus. 22: 520, footnote.
Simpson, 1914. Descr. Cat. Naiades: 16.
(intro'd as intra-sp. of Unio sulcatus Lea, 1829)
Type(s): SYNTYPE USNM_160853, Amherstburg, Michigan.

Truncilla (Scalenaria) sulcata var. delicata — Simpson (1900), Simpson (1914)
Dysnomia (Scalenilla) sulcata delicata — Ortmann (1925)
Dysnomia (Pilea) sulcata-pectita — Frierson (1927)
Plagiola perobliqua — Morrison (1969)
Dysnomia sulcata — Burch (1975)
Plagiola (Torulosa) torulosa — R.I. Johnson (1978)
Epioblasma obliquata — Parmalee & Bogan (1998), Williams et al. (2008)
Epioblasma torulosa rangiana — Watters et al. (2009)