| Page last updated
Tue 01 Jul 2025 |
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 | Ambleminae | Quadrulini | Quadrulina genus Cyclonaias Pilsbry in Ortmann & Walker, 1922: nominal genera
1 valid species
Rotundaria Agassiz, 1852
‘Rafinesque’ of Authors.
Agassiz, 1852, Arch. Naturg. 18(1): 48.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 765.
Ortmann, 1909, Ann. Carnegie Mus. 5: 201.
Ortmann, 1910, Nautilus 23(11): 140.
Ortmann, 1912, Ann. Carnegie Mus. 8: 257.
Simpson, 1914, Descr. Cat. Naiades: 811.
Utterback, 1915, Amer. Midl. Nat. 4(4): 149.
Ortmann, 1918, Proc. Amer. Phil. Soc. 57(6): 543.
Haas, 1929, Senckenbergiana 11: 333.
Haas, 1930, Senckenbergiana 12(6): 319.
(reference to Rotundaria Rafinesque, 1820)
Type species: Obliquaria (Rotundaria) tuberculata Rafinesque, 1820 () = Cyclonaias tuberculata |
Cyclonaias Ortmann & Walker, 1922
Pilsbry in Ortmann & Walker, 1922, Occ. Pap. Mus. Zool. Univ. Mich. (112): 18.
Type species: Obliquaria (Rotundaria) tuberculata Rafinesque, 1820 (orig. desig.) = Cyclonaias tuberculata |
Taxonomic History (since 1900)
Quadrula (Rotundaria) — Simpson (1900), Ortmann (1909), Ortmann (1910), Simpson (1914)
Unio (s.s.) — Call (1900)
Quadrula — Ortmann (1909), Ortmann (1909), Vanatta (1915)
Rotundaria — Ortmann (1910), Ortmann (1912), Utterback (1915), Utterback (1915), Ortmann (1918), Thiele (1934), Campbell & Lydeard (2012), Campbell & Lydeard (2012)
Unio — de Gregorio (1914)
Cyclonaias — Ortmann & Walker (1922), Ortmann (1924), Ortmann (1925), F.C. Baker (1928), ..., Neemuchwala et al. (2023), Hopper et al. (2023), Hauck et al. (2023), Keogh et al. (2024)
Quadrula (Cyclonaias) — Frierson (1927), Haas (1930)
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Page updated: 09:58:17 Tue 01 Jul 2025 |
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