Bivalvia | ... | Unionoidea | Unionidae | Ambleminae | Lampsilini | Leaunio umbrans

Lea, 1857. Proc. Acad. Nat. Sci. 9: 171.
Lea, 1858. Jour. Acad. Nat. Sci. 4 [O. 6]: 83, pl. 17, fig. 63.
Type(s): HOLOTYPE USNM_85143, Etowah R., Georgia.
+ Leaunio umbrans (Lea, 1857) — Watters, 2018: 44.
+ Villosa umbrans (Lea, 1857) — Williams et al., 2008: 788.
+ Villosa vanuxemensis (Lea, 1836) — Parmalee & Bogan, 1998: 254.
+ Villosa vanuxemensis umbrans (Lea, 1857) — Burch, 1975: 174.
+ Ligumia vanuxemensis (Lea, 1838) — Haas, 1969: 441.
+ Lampsilis (Ligumia) vanuxemensis (Lea, 1838) — Frierson, 1927: 76.
+ Eurynia (Micromya) vanuxemensis (Lea, 1838) — Ortmann, 1918: 580.
+ Lampsilis (Eurynia) vanuxemensis (Lea, 1838) — Simpson, 1914: 106.
+ Lampsilis (sec. Eurynia) vanuxemensis Lea — Simpson, 1900: 549.
= Unio tenebricus Lea — B.H. Wright, 1888: [5].
= Margaron (Unio) tenebricus (Lea) — Lea, 1870: 45.