Bivalvia | Unionida | Unionoidea | Unionidae | Unioninae | Anodontini | Alasmidontina

genus Platynaias Walker, 1918: synonymy

3 Recent freshwater species (3 total species)

Synonymy

Symphynota Simpson, 1900

‘Lea’ of Authors.
Simpson, 1900. Proc. U.S. Nat. Mus. 22: 662.
Ortmann, 1912. Ann. Carnegie Mus. 8: 280.
Simpson, 1914. Descr. Cat. Naiades: 480.
Ortmann, 1914. Nautilus 28(4): 41.
(reference to Symphynota Lea, 1829)
Type species: Symphynota compressa Lea, 1829 (orig. desig.) = Platynaias compressa

Platynaias Walker, 1918

Walker, 1918. Occ. Pap. Mus. Zool. Univ. Mich. (49): 2.
Ortmann & Walker, 1922. Occ. Pap. Mus. Zool. Univ. Mich. (112): 33.
Type species: Symphynota compressa Lea, 1829 (orig. desig.) = Platynaias compressa

Taxonomic History (since 1900)

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

Unio (sec. Elliptio) — Simpson (1900), Simpson (1914)
Symphynota (s.s.) — Simpson (1900), Simpson (1914)
Unio (s.s.) — Call (1900)
Symphynota — Ortmann (1909), Ortmann (1909), Ortmann (1909), Ortmann (1910), Ortmann (1912)
Unio — de Gregorio (1914)
Lasmigona (Platynaias) — Ortmann & Walker (1922), Frierson (1927), F.C. Baker (1928), Haas (1969), Haas (1969), R.I. Johnson (1970), Clarke (1985), Graf & Cummings (2007)
Elliptio (s.s.) — Frierson (1927), Haas (1969)
Lasmigona (sec. Platynaias) — Thiele (1934)
Lasmigona — Clarke (1973), Burch (1975), Heard (1975), Mathiak (1979), R.I. Johnson (1980), ... Dai et al. (2024), Dai et al. (2025), Perkins et al. (2025), Chen et al. (2025), Chen et al. (2025)
Platynaias — Wu et al. (2023), Wu et al. (2024), Wu et al. (2024), Hou et al. (2024), FMCS (2025), Hou et al. (2025), Wang et al. (2025)