Unio vanuxemensis Lea, 1838
Lea, 1836. Synopsis Fam. Naiades: 26. [nomen nudum]
Lea, 1838. Trans. Amer. Phil. Soc. 6 [O. 2]: 36, pl. 11, fig. 31.
Type(s): HOLOTYPE USNM_85146, Cumberland R., Tenn.

Lampsilis (sec. Eurynia) vanuxemensis — Simpson (1900)
Eurynia (Micromya) vanuxemensis — Ortmann (1912), Ortmann (1915), Ortmann (1918)
Lampsilis (Eurynia) vanuxemensis — Simpson (1914)
Micromya vanuxemensis — Ortmann (1924), Ortmann (1925)
Lampsilis (Ligumia) vanuxemensis — Frierson (1927)
Ligumia vanuxemensis — Haas (1969)
Villosa vanuxemensis vanuxemensis — Burch (1975), Turgeon et al. (1988), Williams et al. (1993), Turgeon et al. (1998), Lydeard et al. (1999), ITIS (2012)
Villosa vanuxemensis — R.I. Johnson (1980), Parmalee & Bogan (1998), Graf & Ó Foighil (2000), Bogan (2002), Cicerello & Schuster (2003), ... Inoue et al. (2013), Jones (2015), Williams et al. (2017), Klymus et al. (2020), Hauck et al. (2023)
Leaunio vanuxemensis — Watters (2018), Graf & Cummings (2021), Bieler (2021), FMCS (2021), Hopper et al. (2023), FMCS (2025), Campbell & Lydeard (2026)

Unio nitens Lea, 1840
Lea, 1840. Proc. Amer. Phil. Soc. 1: 288.
Lea, 1842. Trans. Amer. Phil. Soc. 8 [O. 3]: 205 [43], pl. 12, fig. 19.
Type(s): HOLOTYPE USNM_85132, Long Creek, Tenn.

Lampsilis (sec. Eurynia) vanuxemensis — Simpson (1900)
Lampsilis (Eurynia) vanuxemensis — Simpson (1914)
Eurynia (Micromya) vanuxemensis — Ortmann (1918)
Lampsilis (Ligumia) vanuxemensis — Frierson (1927)
Ligumia vanuxemensis — Haas (1969)
Villosa vanuxemensis — Parmalee & Bogan (1998), Williams et al. (2008)
Leaunio vanuxemensis — Watters (2018)

Unio pybasii Lea, 1858
Lea, 1858. Proc. Acad. Nat. Sci. 10: 40.
Lea, 1862. Jour. Acad. Nat. Sci. 5 [O. 8]: 67, pl. 6, fig. 216.
Type(s): HOLOTYPE USNM_85138, Tuscumbia, Alabama.

Lampsilis (sec. Eurynia) vanuxemensis — Simpson (1900)
Lampsilis (Eurynia) vanuxemensis — Simpson (1914)
Eurynia (Micromya) vanuxemensis — Ortmann (1918)
Micromya vanuxemensis — Ortmann (1925)
Lampsilis (Ligumia) vanuxemensis — Frierson (1927)
Ligumia vanuxemensis — Haas (1969)
Villosa vanuxemensis — Parmalee & Bogan (1998), Williams et al. (2008)
Leaunio vanuxemensis — Watters (2018)

Unio copei Lea, 1868
Lea, 1868. Proc. Acad. Nat. Sci. 20: 144.
Lea, 1868. Jour. Acad. Nat. Sci. 6 [O. 12]: 307 [67], pl. 47, fig. 120.
Type(s): FIGURED SYNTYPE USNM_85137, headwaters, N Branch Holston R., E Tenn.

Lampsilis (sec. Eurynia) vanuxemensis — Simpson (1900)
Lampsilis (Eurynia) vanuxemensis — Simpson (1914)
Eurynia (Micromya) vanuxemensis — Ortmann (1918)
Lampsilis (Ligumia) vanuxemensis — Frierson (1927)
Ligumia vanuxemensis — Haas (1969)
Villosa vanuxemensis — Parmalee & Bogan (1998), Williams et al. (2008)
Leaunio vanuxemensis — Watters (2018)

Margaron (Unio) vanuxemii Lea, 1870
‘Lea’ of Authors.
Lea, 1870. Synopsis Fam. Naiades: 46.
B.H. Wright, 1888. Check List N. Amer. Unionidae etc.: [6].
(error for Unio vanuxemensis Lea, 1838)

Lampsilis (sec. Eurynia) vanuxemensis — Simpson (1900)
Lampsilis (Eurynia) vanuxemensis — Simpson (1914)
Lampsilis (Ligumia) vanuxemensis — Frierson (1927)
Ligumia vanuxemensis — Haas (1969)
Villosa vanuxemensis — Parmalee & Bogan (1998), Williams et al. (2008)
Leaunio vanuxemensis — Watters (2018), Bieler (2021)

Unio vanuxemiensis Conrad, 1853
‘Lea’ Conrad, 1853. Proc. Acad. Nat. Sci. 6: 259.
(error for Unio vanuxemensis Lea, 1838)

Unio striatus Sowerby, 1868
‘Lea’ Sowerby, 1868. Conch. Icon. 16: pl. 78, sp. 407.
(misidentified reference to Unio striatus Lea, 1840)

Lampsilis (sec. Eurynia) proprius — Simpson (1900)
Alasmidonta (Pressodonta) holstonia — Simpson (1900), Simpson (1914)
Lampsilis (Eurynia) propria — Simpson (1914)

Unio caliginosus Pilsbry & Rhoads, 1896
‘Conr.’ [sic] Pilsbry & Rhoads, 1896. Proc. Acad. Nat. Sci. 48: 501.
(misidentified reference to Unio caliginosus Lea, 1845)

Eurynia (Micromya) vanuxemensis — Ortmann (1918)
Villosa vanuxemensis — Parmalee & Bogan (1998)