Bivalvia | ... | Unionoidea | Unionidae | Ambleminae | Quadrulini | Uniomerus tetralasmus

nominal species Unio rhomboidius Lea, 1852

Unio rhomboidius Lea, 1852 = Uniomerus tetralasmus

‘Ward MSS’ Lea, 1852. Synopsis Fam. Naiades: 32. [nomen nudum]
(intro'd as syn of Unio camptodon Say, 1832)

Taxonomic Opinions

+ Margaron (Unio) camptodon (Say) — Lea, 1870: 50.

+ Margaron (Unio) camptodon (Say) — Lea, 1852: 32.