Unionoida | Unionoidea | Unionidae | Ambleminae | Quadrulini | Uniomerus tetralasmus nominal species Unio rhomboidius Lea, 1852
‘Ward MSS’ Lea, 1852, Synopsis Fam. Naiades: 32. [nomen nudum]
(intro'd as syn of Unio camptodon Say, 1832)
= Uniomerus tetralasmus Taxonomic Opinions
+ Margaron (Unio) camptodon (Say) — Lea, 1870
+ Margaron (Unio) camptodon (Say) — Lea, 1852
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