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Page last updated
Sun 06 Oct 2024

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.

Search the database pages:

Unionoida | Unionoidea | Unionidae | Unioninae | Anodontini | Alasmidontina

genus Pressodonta Simpson, 1900: nominal genera
     1 valid 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)

Simpson (1900), Simpson (1914), Vanatta (1915), Ortmann (1925), Burch (1975)
Alasmidonta (Pressodonta)Simpson (1900), Ortmann (1914), Simpson (1914), Ortmann (1918), ..., Haas (1969), R.I. Johnson (1970), Clarke (1981), Graf & Cummings (2007)
Alasmidonta (Rugifera)Simpson (1900)
Unio (Margaritana)Call (1900)
AlasmidontaOrtmann (1912), Utterback (1915), Morrison (1969), Mathiak (1979), ..., FMCS (2021), Graf & Cummings (2021), Whelan et al. (2023), Hopper et al. (2023)
Uniode Gregorio (1914)
SymphynotaVanatta (1915)
CalceolaWalker (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)

Page updated: 10:16:02 Sun 06 Oct 2024

 
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