Bivalvia | ... | Unionidae | Ambleminae | Quadrulini | Quadrulina | 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 (Rafinesque, 1820) — Cummings et al., 2025: 456, pl. 92 middle left.
+ Quadrula apiculata (Say, 1829) — R.I. Johnson, 1999: 17.
+ Quadrula quadrula (Rafinesque, 1820) — Burch, 1975: 178.
= Quadrula (s.s.) quadrula speciosa (Lea, 1862) — Haas, 1969: 291.
= Quadrula (s.s.) quadrula-speciosa (Lea, 1862) — Frierson, 1927: 47, sp. 207e.
= Quadrula (sec. Theliderma) speciosa (Lea, 1862) — Simpson, 1914: 845.
+ — de Gregorio, 1914: 42.
= Quadrula speciosa (Lea) — Ortmann, 1910: 140.
= Quadrula (sec. Theliderma) speciosa (Lea, 1862) — Simpson, 1900: 778.
= Unio speciosus Lea — Call, 1895: 50.
= Unio speciosus Lea — Singley, 1893: 319.
= Unio speciosus Lea — B.H. Wright, 1888: [5].
= Margaron (Unio) speciosus (Lea) — Lea, 1870: 33.
= Unio speciosus Lea, 1862 — Sowerby, 1868: pl. 84, sp. 447.