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Data last updated
Thu 18 Dec 2025
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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
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