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

nominal species Margaron (Unio) declivis Lea, 1852

Margaron (Unio) declivis Lea, 1852 = Uniomerus declivis

‘Say’ Lea, 1852. Synopsis Fam. Naiades: 33.
(reference to Unio declivis Say, 1831)

= Uniomerus declivis

Taxonomic Opinions

+ Unio (sec. Uniomerus) tetralasmus var. declivis Say, 1832 — Simpson, 1900

+ Unio excultus Con. — Conrad, 1853