Bivalvia | Unionida | Unionoidea | Unionidae | Ambleminae | Pleurobemini

genus Elliptoideus Frierson, 1927: synonymy

1 Recent freshwater species (1 total species)

Synonymy

Elliptoideus Frierson, 1927

Frierson, 1927. Check List N. Amer. Naiades: 33.
(intro'd as sub-gen. of Elliptio Rafinesque, 1819)
Type species: Unio sloatianus Lea, 1840 (orig. desig.) = Elliptoideus sloatianus

Elliptoidens Salisbury, 1948

Salisbury, 1948. Zool. Rec. 82: 81.
(error for Elliptoideus Frierson, 1927)
Type species: Unio sloatianus Lea, 1840 = Elliptoideus sloatianus

Taxonomic History (since 1900)

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

Unio (sec. Elliptio) — Simpson (1900), Simpson (1914)
Elliptio (Elliptoideus) — Frierson (1927), Haas (1969)
Elliptio — Thiele (1934), Clench & Turner (1956)
Nephronaias (Elliptoideus) — Haas (1969)
Elliptoideus — Burch (1975), Davis (1984), Turgeon et al. (1988), Williams et al. (1993), Lydeard et al. (1996), ... Smith et al. (2020), Graf & Cummings (2021), FMCS (2021), Hopper et al. (2023), FMCS (2025)
Plectomerus — Oesch (1984), Howells et al. (1996)