Bivalvia | ... | Unionoidea | Unionidae | Ambleminae | Lampsilini | Truncilla cognata

nominal species Unio donaciformis Sowerby, 1866

Unio donaciformis Sowerby, 1866 = Truncilla cognata

specimen image from publication‘Lea’ Sowerby, 1866. Conch. Icon. 16: pl. 39, sp. 214.
(misidentified reference to Unio donaciformis Lea, 1828)

= Truncilla cognata

Taxonomic Opinions

+ Plagiola (Amygdalonaias) cognata (Lea, 1860) — Simpson, 1900