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

nominal species Unio turgidus Reeve, 1864

Unio turgidus Reeve, 1864 = Quadrula quadrula

specimen image from publication‘Lea’ Reeve, 1864. Conch. Icon. 16: pl. 3, sp. 10.
(misidentified reference to Unio turgidus Lea, 1838)

= Quadrula quadrula

Taxonomic Opinions

+ Quadrula (sec. Theliderma) aspera (Lea, 1831) — Simpson, 1914

+ Quadrula (sec. Theliderma) asper (Lea, 1831) — Simpson, 1900