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Page last updated
Wed 06 Mar 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:

Bivalvia | Unionoida | Unionoidea | Unionidae | Ambleminae | Lampsilini

genus Pachynaias Crosse & Fischer, 1894: nominal genera
     2 valid species

Pachynaias Fischer & Crosse, 1894
Fischer & Crosse, 1894, Miss. Sci. Mexique, Rech. Zool. 2(15): 556.
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio spheniopsis Morelet, 1849 (orig. desig.) = Pachynaias spheniopsis

Pavhynaias Contreras-Arquieta, 2000
Contreras-Arquieta, 2000, Mexicoa 2(1): 44.
(error for Pachynaias Fischer & Crosse, 1894)

Taxonomic History (since 1900)

Quadrula (sec. Pachynaias)Simpson (1900), Simpson (1914)
Unio (Pleurobema)Martens (1900)
Martens (1900)
NephronaiasIhering (1901)
Elliptio (Pachynaias)Frierson (1927)
PachynaiasHaas (1929), Thiele (1934), Haas (1969), Haas (1969), ..., Inoue et al. (2020), Smith et al. (2020), Graf & Cummings (2021), Czaja et al. (2023)
Pavhynaias [sic]Contreras-Arquieta (2000)

Page updated: 16:24:28 Wed 06 Mar 2024

 
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