Bivalvia | Unionida | Unionoidea | Unionidae | Ambleminae | Lampsilini | Leaunio

Walker, 1925. Occ. Pap. Mus. Zool. Univ. Mich. (163): 1, pl. 1, figs. 1-6.
Type(s): HOLOTYPE MCZ_167705, Green River, Mammoth Cave, Kentucky.
Lampsilis (Ligumia) ortmanni — Frierson (1927)
Lemiox ortmanni — Haas (1969)
Villosa ortmanni — Stansbery (1970), Burch (1975), R.I. Johnson (1980), Turgeon et al. (1988), Williams et al. (1993), ... Bogan (2010), Cummings & Graf (2010), ITIS (2012), Haag (2012), Williams et al. (2017)
Leaunio ortmanni — Watters (2018), Graf & Cummings (2021), FMCS (2021), Hopper et al. (2023), FMCS (2025)
Lampsilis (Ligumia) ortmanni — Frierson (1927)
Lemiox ortmanni — Haas (1969)
Villosa ortmanni — Stansbery (1970), Burch (1975), R.I. Johnson (1980), Turgeon et al. (1988), Williams et al. (1993), ... Bogan (2010), Cummings & Graf (2010), ITIS (2012), Haag (2012), Williams et al. (2017)
Leaunio ortmanni — Watters (2018), Graf & Cummings (2021), FMCS (2021), Hopper et al. (2023), FMCS (2025)