Bivalvia | Unionida | Unionoidea | Unionidae | Ambleminae | Amblemini

genus Plectomerus Conrad, 1853: synonymy

1 Recent freshwater species (1 total species)

Synonymy

Bariosta Rafinesque, 1831

Rafinesque, 1831. Continuation: 2.
Rafinesque, 1864. [in] Binney & Tryon, reprint: 73.
(renamed Baryosta Agassiz, 1846)
Type species: Bariosta ponderosus Rafinesque, 1831 (sub. desig. by Fischer, 1886: 1000) = Plectomerus dombeyanus

Gonamblus Rafinesque, 1831

Rafinesque, 1831. Continuation: 5.
Rafinesque, 1864. [in] Binney & Tryon, reprint: 79.
Type species: Lasmigona ponderosa Rafinesque, 1831 (orig. desig.) = Plectomerus dombeyanus

Baryosta Agassiz, 1846

Agassiz, 1846. Nomencl. Zool. Index Univ.: 44.
(new name for Bariosta Rafinesque, 1831)
Type species: Bariosta ponderosus Rafinesque, 1831 = Plectomerus dombeyanus

Plectomerus Conrad, 1853

Conrad, 1853. Proc. Acad. Nat. Sci. 6: 260.
Type species: Unio trapezoides Lea, 1831 (sub. desig. by Ortmann & Walker, 1922: 9) = Plectomerus dombeyanus

Taxonomic History (since 1900)

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

Quadrula (sec. Crenodonta) — Simpson (1900), Simpson (1914)
Unio (s.s.) — Call (1900)
Bariosta — Simpson (1900), Simpson (1914)
Quadrula — Ortmann (1909)
Crenodonta — Ortmann (1912)
Plectomerus — Ortmann & Walker (1922), R.I. Johnson (1969), Haas (1969), Burch (1975), Gordon et al. (1979), ... Stodola et al. (2021), Hopper et al. (2023), Freeman et al. (2025), FMCS (2025), Campbell & Lydeard (2026)
Amblema (Plectomerus) — Frierson (1927), Haas (1969)
Amblema — Thiele (1934), Davis & Fuller (1981)