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Data last updated
Mon 1 Dec 2025
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Bivalvia
| ... | 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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