| Page last updated
Wed 03 Aug 2022 |
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!
For each valid genus, the nominal generic synonyms are listed. The taxonomic history (since 1900) at the bottom of the page lists the genera to which all of the currently included species have been classified.
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Unionoida | Unionoidea | Unionidae | Unioninae | Anodontini | Alasmidontina genus Simpsonaias Frierson, 1914: nominal genera
1 valid species
Hemilastena Simpson, 1900
‘Agassiz’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 673.
‘Agassiz’ Simpson, 1914, Descr. Cat. Naiades: 323.
(reference to Hemilastena Agassiz, 1852)
Type species: Alasmodonta ambigua Say, 1825 (orig. desig.) = Simpsonaias ambigua |
Simpsonaias Frierson, 1914
Frierson, 1914, Nautilus 28: 7.
(renamed Simpsoniconcha Frierson, 1914)
Type species: Alasmodonta ambigua Say, 1825 (orig. desig.) = Simpsonaias ambigua |
Simpsoniconcha Frierson, 1914
Frierson, 1914, Nautilus 28: 40.
(new name for Simpsonaias Frierson, 1914)
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Taxonomic History (since 1900)
Hemilastena — Simpson (1900), Simpson (1914)
Unio (Margaritana) — Call (1900)
Simpsoniconcha — Walker (1918), Frierson (1927), F.C. Baker (1928), Thiele (1934), ..., Mathiak (1979), Gordon et al. (1979), R.I. Johnson (1980), Mackie et al. (1980)
Simpsonaias — Haas (1969), Haas (1969), Oesch (1984), Clarke (1985), ..., Huang et al. (2019), Lopes-Lima et al. (2020), FMCS (2021), Graf & Cummings (2021)
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Page updated: 09:39:49 Wed 03 Aug 2022 |
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