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

Lea, 1857. Proc. Acad. Nat. Sci. 9: 32.
Lea, 1858. Jour. Acad. Nat. Sci. 4 [O. 6]: 74, pl. 14, fig. 54.
Type(s): HOLOTYPE USNM_84615, Othcalooga Cr., Georgia.
Truncilla (Scalenaria) othcaloogensis — Simpson (1900), Simpson (1914)
Unio otcaloogensis [sic], var. — de Gregorio (1914)
Dysnomia (Penita) othcaloogensis — Frierson (1927), Haas (1969)
Dysnomia metastriata — Burch (1975)
Plagiola (s.s.) penita — R.I. Johnson (1978)
Epioblasma othcaloogensis — Turgeon et al. (1988), Williams et al. (1993), Turgeon et al. (1998), Parmalee & Bogan (1998), Lydeard et al. (1999), ... Williams et al. (2017), Graf & Cummings (2021), FMCS (2021), Hopper et al. (2023), FMCS (2025)

Lea, 1859. Proc. Acad. Nat. Sci. 11: 171.
Lea, 1860. Jour. Acad. Nat. Sci. 4 [O. 8]: 347, pl. 57, fig. 172.
Type(s): HOLOTYPE USNM_84841, Connasauga R., Ga.
Truncilla (s.s.) modicella — Simpson (1900), Simpson (1914)
Dysnomia (Penita) modicella — Frierson (1927), Haas (1969)
Dysnomia modicella — Burch (1975)
Plagiola (s.s.) penita — R.I. Johnson (1978)
Epioblasma othcaloogensis — Parmalee & Bogan (1998), Williams et al. (2008)
Dysnomia nodicella [sic] — ITIS (2012)
‘Lea’ de Gregorio, 1914. Il Nat. Siciliano 2: 51.
(error for Unio othcaloogensis Lea, 1857)
ITIS, 2012. ITIS: [web].
(error for Unio modicellus Lea, 1859)
Truncilla (s.s.) modicella — Simpson (1900), Simpson (1914)
Truncilla (Scalenaria) othcaloogensis — Simpson (1900), Simpson (1914)
Unio otcaloogensis [sic], var. — de Gregorio (1914)
Dysnomia (Penita) othcaloogensis — Frierson (1927), Haas (1969)
Dysnomia (Penita) modicella — Frierson (1927), Haas (1969)
Dysnomia modicella — Burch (1975)
Dysnomia metastriata — Burch (1975)
Plagiola (s.s.) penita — R.I. Johnson (1978)
Epioblasma othcaloogensis — Turgeon et al. (1988), Williams et al. (1993), Turgeon et al. (1998), Parmalee & Bogan (1998), Lydeard et al. (1999), ... Williams et al. (2017), Graf & Cummings (2021), FMCS (2021), Hopper et al. (2023), FMCS (2025)
Dysnomia nodicella [sic] — ITIS (2012)