Bivalvia | ... | Unionidae | Ambleminae | Quadrulini | Quadrulina | Quadrula quadrula
βLeaβ Reeve, 1864. Conch. Icon. 16: pl. 3, sp. 10.
(misidentified reference to Unio turgidus Lea, 1838)
+ Quadrula (sec. Theliderma) aspera (Lea, 1831) β Simpson, 1914
+ Quadrula (sec. Theliderma) asper (Lea, 1831) β Simpson, 1900