| Page last updatedWed 1 October 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! 
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 Bivalvia | Unionoida | Unionoidea | Unionidae | Gonideinae | Gonideini genus Cosmopseudodon Haas, 1920: synonymy3 Recent freshwater species (3 total species)
 Taxonomic History (since 1900)Pseudodon (s.s.) — Simpson (1900), Simpson (1914) Pseudodon (Cosmopseudodon) — Haas (1920), Haas (1969), Haas (1969), Graf & Cummings (2007)
 Pseudodon (sec. Cosmopseudodon) — Thiele (1934)
 Pseudodon — Dang et al. (1980), Bogan (2010), IUCN (2011), Zieritz et al. (2018), Do et al. (2018), Zieritz et al. (2020), Graf & Cummings (2021), Bolotov et al. (2023), Zieritz et al. (2024)
 Monodontina — Bolotov et al. (2020), Graf & Cummings (2021), Sahidin et al. (2021)
 Ptychorhynchus — Bolotov et al. (2023)
 Cosmopseudodon — Wu et al. (2024), Dai et al. (2024), Zhang et al. (2024), Dai et al. (2025)
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