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 | 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 | Contradentini genus Pressidens Haas, 1910: synonymy1 Recent freshwater species (1 total species)
 Pressidens Haas, 1910Haas, 1910. Nachr. Bl. Dtsch. Malak. Ges. 42: 102.
 Haas, 1911. Conch. Cab. 9 (pt. 2, h. 44): pl. 23.
 Haas, 1914. Conch. Cab. 9 (pt. 2, h. 49): 204.
 Type species: Pressidens moellendorffi Haas, 1910 (orig. desig.) = Pressidens exanthematicus
 Prirsidens Salisbury, 1948Salisbury, 1948. Zool. Rec. 82: 81.
 (error for Pressidens Haas, 1910)
Taxonomic History (since 1900)Lamellidens (s.s.) — Simpson (1900), Simpson (1914), Preston (1915) Dalliella — Simpson (1900), Preston (1912)
 Pressidens — Haas (1910), Haas (1914), Simpson (1914), Haas (1924), Thiele (1934), ... Zieritz et al. (2018), Zieritz et al. (2018), Zieritz et al. (2020), Pfeiffer et al. (2021), Graf & Cummings (2021)
 Simpsonella — Simpson (1914)
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