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

nominal species Unio speciosus Lea, 1862

Unio speciosus Lea, 1862 = Quadrula quadrula

Lea, 1862. Proc. Acad. Nat. Sci. 14: 168.
Lea, 1862. Jour. Acad. Nat. Sci. 5 [O. 9]: 207 [29], pl. 31, fig. 276.
Type(s): LECTOTYPE [AS HOLOTYPE] USNM_84172 (by R.I. Johnson, 1974: 134), Leon Co., Texas.

= Quadrula quadrula

Taxonomic Opinions

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

+ Quadrula apiculata (Say, 1829) — R.I. Johnson, 1999

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

= Quadrula (s.s.) quadrula speciosa (Lea, 1862) — Haas, 1969

= Quadrula (s.s.) quadrula-speciosa (Lea, 1862) — Frierson, 1927

= Quadrula (sec. Theliderma) speciosa (Lea, 1862) — Simpson, 1914

+ — de Gregorio, 1914

= Quadrula speciosa (Lea) — Ortmann, 1910

= Quadrula (sec. Theliderma) speciosa (Lea, 1862) — Simpson, 1900

= Unio speciosus Lea — Call, 1895

= Unio speciosus Lea — Singley, 1893

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

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

= Unio speciosus Lea, 1862 — Sowerby, 1868