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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 | Hyrioidea | Hyriidae | Hyriinae | Rhipidodontini | Diplodon species Diplodon greeffeanus (Ihering, 1893): synonymy7 specimens
 | Unio greeffeanus Ihering, 1893
  ‘Dunker ms’ Ihering, 1893. Arch. Naturg. 59(1): 96, pl. 4, fig. 8. Type(s): LECTOTYPE SMF_3876, Piracicaba, Geb. d Rio Tiete, St. Sao Paulo, Bras.
 
 Diplodon (s.s.) greefianus [sic] — Simpson (1900)
 Diplodon (s.s.) greeffeanus — Simpson (1914), Morretes (1949)
 Diplodon delodontus expansus — Haas (1930)
 Diplodon (s.s.) delodontus expansus — Bonetto (1964), Bonetto (1965), Haas (1969)
 Diplodon paulista — Parodiz (1968)
 Diplodon expansus — Simone (2006)
 Diplodon greeffeanus — Pereira et al. (2014), Mansur et al. (2020), Graf & Cummings (2021)
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 | Unio greefeanus Haas, 1930‘von Ihering’  of Authors.
 Haas, 1930. Senckenbergiana 12: 192.
 Bonetto, 1964. Physis 24(68): 325.
 Bonetto, 1965. Anais Congr. Lat.-Amer. Zool. 2: 44.
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 | Diplodon greefianus Simpson, 1900‘von Ihering’ Simpson, 1900. Proc. U.S. Nat. Mus. 22: 875.
 
 Diplodon (s.s.) greeffeanus — Simpson (1914)
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 | Unio greeffianus Parodiz, 1968‘von Ihering’ Parodiz, 1968. Sterkiana 30: 6.
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 Taxonomic History (since 1900)Diplodon (s.s.) greefianus [sic] — Simpson (1900)Diplodon (s.s.) greeffeanus — Simpson (1914), Morretes (1949)
 Diplodon delodontus expansus — Haas (1930)
 Diplodon (s.s.) delodontus expansus — Bonetto (1964), Bonetto (1965), Haas (1969)
 Diplodon paulista — Parodiz (1968)
 Diplodon expansus — Simone (2006)
 Diplodon greeffeanus — Pereira et al. (2014), Mansur et al. (2020), Graf & Cummings (2021)
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