Bivalvia | Unionida | Unionoidea | Unionidae | Ambleminae | Lampsilini | Lampsilis

Lea, 1857. Proc. Acad. Nat. Sci. 9: 84.
Lea, 1862. Jour. Acad. Nat. Sci. 5 [O. 9]: 188 [10], pl. 24, fig. 258.
Type(s): HOLOTYPE USNM_84823, Muscatine, Iowa.
Lampsilis (sec. Eurynia) higginsii — Simpson (1900)
Lampsilis (Eurynia) higginsii — Simpson (1914)
Lampsilis higginsii — Utterback (1916), F.C. Baker (1928), Gordon et al. (1979), Mathiak (1979), Cummings & Mayer (1992), ... Graf & Cummings (2021), FMCS (2021), Stodola et al. (2021), Hopper et al. (2023), FMCS (2025)
Lampsilis (Ortmanniana) higginsii — Frierson (1927), Haas (1969)
Lampsilis orbiculata — Stansbery (1970)
Lampsilis higginsi — R.I. Johnson (1980), Turgeon et al. (1988), Williams et al. (1993), Haag (2012)
Simpson, 1914. Descr. Cat. Naiades: 78.
(intro'd as intra-sp. of Unio higginsii Lea, 1857)
Lampsilis (Eurynia) higginsii var. grandis — Simpson (1914)
Lampsilis (Ortmanniana) higginsii — Haas (1969)
Lampsilis higginsi — R.I. Johnson (1980)
‘Hildreth’ Call, 1900. Ind. Dept. Geol. Nat. Res. (1899): 492.
Baker, 1905. Trans. Acad. Sci. St. Louis 15: 253.
Shimek, 1921. Iowa Conserv. 5: 1.
(misidentified reference to Unio orbiculatus Hildreth, 1828)
Lampsilis (Ortmanniana) higginsii — Frierson (1927)
Lampsilis higginsii — F.C. Baker (1928)
Lampsilis (sec. Eurynia) higginsii — Simpson (1900)
Unio (s.s.) orbiculatus — Call (1900)
Lampsilis (Eurynia) higginsii — Simpson (1914)
Lampsilis (Eurynia) higginsii var. grandis — Simpson (1914)
Lampsilis higginsii — Utterback (1916), F.C. Baker (1928), Gordon et al. (1979), Mathiak (1979), Cummings & Mayer (1992), ... Graf & Cummings (2021), FMCS (2021), Stodola et al. (2021), Hopper et al. (2023), FMCS (2025)
Lampsilis (Ortmanniana) higginsii — Frierson (1927), Haas (1969)
Lampsilis orbiculata — Stansbery (1970)
Lampsilis higginsi — R.I. Johnson (1980), Turgeon et al. (1988), Williams et al. (1993), Haag (2012)