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

nominal species Unio tragosus Hanley, 1843

Unio tragosus Hanley, 1843 = Quadrula fragosa

‘Conrad’ Hanley, 1843. Illustr. Descr. Cat. Rec. Bivalve Shells: 178, pl. 20, fig. 40.
(error for Unio fragosus Conrad, 1835)

= Quadrula fragosa

Taxonomic Opinions

+ Quadrula fragosa (Conrad, 1835) — Watters et al., 2009

+ Quadrula (sec. Theliderma) fragosa (Conrad, 1836) — Simpson, 1914

+ Quadrula (sec. Theliderma) fragosus (Conrad, 1836) — Simpson, 1900