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Unionidae

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Data last updated
Thu 18 Dec 2025

Bivalvia | Unionoida | Unionoidea | Unionidae | Ambleminae | Quadrulini

genus Uniomerus Conrad, 1853: synonymy

4 Recent freshwater species (5 total species)

Synonymy

Uniomerus Conrad, 1853

Conrad, 1853. Proc. Acad. Nat. Sci. 6: 268.
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio declivis Say, 1831 (sub. desig. by Frierson, 1927: 34, 10) = Uniomerus declivis

Uniomeris Tryon, 1884

Tryon, 1884. Struct. Syst. Conch. 3: 238.
(error for Uniomerus Conrad, 1853)
Type species: Unio excultus Conrad, 1838 = Uniomerus declivis

Unionerus Utterback, 1915

Utterback, 1915. Amer. Midl. Nat. 4(3): ??.
(error for Uniomerus Conrad, 1853)
Type species: Unio excultus Conrad, 1838 = Uniomerus declivis

Taxonomic History (since 1900)

The Taxonomic History lists the ways authors have classified the species currently assigned to Uniomerus, since 1900.

Unio (sec. Uniomerus) — Simpson (1900), Simpson (1914)
Unio (s.s.) — Call (1900)
Unio (Uniomerus) — Martens (1900)
Unio (sec. Elliptio) — Simpson (1900), Simpson (1914)
Uniomerus — Ortmann (1912), Utterback (1915), F.C. Baker (1928), Clench & Turner (1956), Murray & Leonard (1962), ... Wu et al. (2024), FMCS (2025), Dai et al. (2025), Chen et al. (2025), Cummings et al. (2025)
Unio — de Gregorio (1914)
Elliptio (Uniomerus) — Frierson (1927), Haas (1929)
Elliptio (sec. Uniomerus) — Thiele (1934)
U. — Marshall et al. (2018)

 
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