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The Freshwater Mussels (Unionoida) of the World (and other less consequential bivalves)
FM(U)otW(aolcb) is the web version of the MUSSEL Project Database. Follow the links to browse the data or use the custom Google search field. Either way, you win!
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Bivalvia | Unionida | Unionoidea | Unionidae | Unioninae | Anodontini | Alasmidontina genus Platynaias Walker, 1918: synonymy
3 Recent valid species (3 total species) 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)Symphynota (s.s.) — Simpson (1900), Simpson (1914)
Unio (s.s.) — Call (1900)
Unio (sec. Elliptio) — Simpson (1900), Simpson (1914)
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), Campbell & Lydeard (2026)
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