The Freshwater Mussels (Unionoida) of the World (and other less consequential bivalves)

FM(U)otW(aolcb) is the web version of the MUSSEL Project Database. Follow the links to browse the data or use the custom Google search field. Either way, you win!

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Unionoida | Unionoidea | Unionidae | Ambleminae | Quadrulini | Uniomerus tetralasmus

nominal species Unio declivis Conrad, 1836

‘Say’ Conrad, 1836, Monogr. Fam. Unionidae 1(5): 45, pl. 23, fig. 1.
Conrad, 1838, Monogr. Fam. Unionidae 2(11): back cover correginda [as ‘U. sayanus Ward’].
(misidentified reference to Unio declivis Say, 1831)

= Uniomerus tetralasmus

Taxonomic Opinions

+ Uniomerus tetralasmus (Say, 1831) — Watters et al., 2009
+ Uniomerus tetralasmus (Say, 1830) — Parmalee & Bogan, 1998
+ Uniomerus tetralasmus (Say, 1831) — R.I. Johnson, 1972
+ Uniomerus tetralasmus (Say, 1831) — R.I. Johnson, 1970
+ Elliptio (Uniomerus) tetralasmus (Say, 1831) — Frierson, 1927
+ Uniomerus tetralasmus (Say) — Utterback, 1915
+ Unio (sec. Uniomerus) obesus Lea, 1831 — Simpson, 1914
+ Unio (sec. Uniomerus) obesus Lea, 1831 — Simpson, 1900
+ Margaron (Unio) camptodon (Say) — Lea, 1870
+ Unio camptodon Say, 1832 — Sowerby, 1868
+ Unio rivularis Conrad, 1853 — Conrad, 1853
+ Margaron (Unio) camptodon (Say) — Lea, 1852
+ Unio declivis Say — Küster, 1852
+ Unio camptodon Say — Hanley, 1843
+ Unio sayi Ward in Tappan, 1839 — Conrad, 1838
+ Margarita (Unio) camptodon Say — Lea, 1838
+ Margarita (Unio) camptodon (Say, 1832) — Lea, 1836

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