| 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! 
					Search the database pages: 
 Bivalvia | Unionoida | Unionoidea | Unionidae | Gonideinae | Ctenodesmini genus Ctenodesma Simpson, 1900: synonymy4 Recent freshwater species (4 total species)
 Ctenodesma Simpson, 1900Simpson, 1900. Proc. U.S. Nat. Mus. 22: 852.
 (renamed Cristadens Simpson, 1914)
 Type species: Unio borneensis Issel, 1874 (orig. desig.) = Ctenodesma borneensis
 Christadens Simpson, 1914Simpson, 1914. Descr. Cat. Naiades: 1154.
 ‘Simpson’ Thiele, 1934. Handb. Syst. Weichtierk. 3: 821 [1252].
 (incorrect original spelling of Cristadens Simpson, 1914)
 Cristadens Simpson, 1914Simpson, 1914. Descr. Cat. Naiades: 1154.
 (new name for Ctenodesma Simpson, 1900; correct name for Christadens Simpson, 1914)
Taxonomic History (since 1900)Ctenodesma — Simpson (1900), Haas (1927), Thiele (1934), Haas (1969), Haas (1969), ... Graf & Cummings (2021), Zieritz et al. (2021), Sahidin et al. (2021), Zieritz et al. (2024), Jeratthitikul et al. (2024) Ctenodesma (s.s.) — Haas (1912), Haas (1924)
 Cristadens — Simpson (1914)
 |