Bivalvia | ... | Unionidae | Ambleminae | Quadrulini | Quadrulina | Quadrula quadrula

nominal species Unio forsheyi Lea, 1859

Unio forsheyi Lea, 1859 = Quadrula quadrula

Lea, 1859. Proc. Acad. Nat. Sci. 11: 155.
Lea, 1860. Jour. Acad. Nat. Sci. 4 [O. 8]: 357 [39], pl. 60, fig. 182.
Type(s): LECTOTYPE [AS HOLOTYPE] USNM_84169 (by R.I. Johnson, 1974: 59), Texas.

= Quadrula quadrula

Taxonomic Opinions

+ Quadrula quadrula (Rafinesque, 1820) — Cummings et al., 2025

+ Quadrula quadrula (Rafinesque, 1820) — Lopes-Lima et al., 2019

+ Quadrula apiculata (Say, 1829) — Williams et al., 2008

+ Quadrula quadrula (Rafinesque, 1820) — Howells et al., 1996

+ Quadrula quadrula (Rafinesque, 1820) — Burch, 1975

= Quadrula (s.s.) quadrula forsheyi (Lea, 1859) — Haas, 1969

= Quadrula (s.s.) quadrula-forsheyi (Lea, 1859) — Frierson, 1927

= Quadrula (sec. Theliderma) forsheyi (Lea, 1859) — Simpson, 1914

= Quadrula forsheyi (Lea) — Ortmann, 1910

= Quadrula (sec. Theliderma) forsheyi (Lea, 1859) — Simpson, 1900

= Unio forsheyi Lea — Singley, 1893

= Unio forsheyi Lea — B.H. Wright, 1888

= Margaron (Unio) forsheyi (Lea) — Lea, 1870

= Unio forsheyi Lea, 1859 — Reeve, 1864