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

nominal species Unio asper Jay, 1839

Unio asper Jay, 1839 = Quadrula quadrula

‘Lea’ Jay, 1839. Cat. Rec. Shells: 55.
(reference to Unio asper Lea, 1831)

Taxonomic Opinions

+ Unio apiculatus Say, 1829 — Conrad, 1853: 245.