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Thu 17 July 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!
Bivalvia | ... | Unionoidea | Unionidae | Unioninae | Anodontini | Alasmidontina genus Pressodonta Simpson, 1900: synonymy
1 Recent valid species (1 total species) Calceola Swainson, 1840
Swainson, 1840. Treat. Malacol.: 289, 382 (footnote).
(homonym of Lamarck, 1799 [Anthozoa])
Type species: Calceola angulata Swainson, 1840 (monotypy) = Pressodonta viridis Pressodonta Simpson, 1900
Simpson, 1900. Proc. U.S. Nat. Mus. 22: 667.
Simpson, 1914. Descr. Cat. Naiades: 495.
(intro'd as sub-gen. of Alasmidonta Say, 1818; new name for Hemiodon Swainson, 1840)
Type species: Unio calceolus Lea, 1828 (orig. desig.) = Pressodonta viridis Taxonomic History (since 1900)Alasmidonta (Pressodonta) — Simpson (1900), Simpson (1914), Ortmann (1914), Ortmann (1918), Ortmann (1924), ... Haas (1969), Haas (1969), R.I. Johnson (1970), Clarke (1981), Graf & Cummings (2007)
Unio (Margaritana) — Call (1900)
Alasmidonta (Rugifera) — Simpson (1900)
Alasmidonta — Ortmann (1912), Utterback (1915), Morrison (1969), Gordon et al. (1979), Mathiak (1979), ... Klymus et al. (2020), Graf & Cummings (2021), FMCS (2021), Whelan et al. (2023), Hopper et al. (2023)
Unio — de Gregorio (1914)
Symphynota — Vanatta (1915)
Calceola — Walker (1918)
Lasmigona (Platynaias) — Ortmann & Walker (1922), Frierson (1927), Haas (1969), Haas (1969)
Alasmidonta (Sulcularia) — Frierson (1927)
Alasmodonta (sec. Pressodonta) — Thiele (1934)
Lasmigona (Sulcularia) — Haas (1969)
Alasmidonta (s.s.) — Burch (1975)
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