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Page last updated
Thu 3 September 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 | Hyrioidea | Hyriidae | Hyriinae | Rhipidodontini | Diplodon

species Diplodon uruguayensis (Lea, 1860): synonymy
     39 specimens

Unio piger Lea, 1860
Lea, 1860. Proc. Acad. Nat. Sci. 12: 90.
Lea, 1863. Jour. Acad. Nat. Sci. 5 [O. 10]: 387, pl. 45, fig. 296.
Type(s): HOLOTYPE USNM_85164, Uruguay R., S. America.

Diplodon (s.s.) pigerSimpson (1900), Simpson (1914)
Diplodon delodontus wymaniiHaas (1930)
Diplodon (Rhipidodonta) charruanusBonetto (1964), Bonetto (1965), Figueiras (1965), Bonetto & Mansur (1970)
Diplodon uruguayensisParodiz (1968), Mansur (1970)
Diplodon (s.s.) delodontus wymaniiHaas (1969)
Diplodon wymaniiSimone (2006)

Unio uruguayensis Lea, 1860
Lea, 1860. Proc. Acad. Nat. Sci. 12: 90.
Lea, 1863. Jour. Acad. Nat. Sci. 5 [O. 10]: 389, pl. 45, fig. 298.
Type(s): HOLOTYPE USNM_85166, Uruguay R., S. America.

Diplodon (s.s.) uruguayensisSimpson (1900), Simpson (1914), Ortmann (1921)
Diplodon delodontus wymaniiHaas (1930)
Diplodon (s.s.) delodontus wymaniiBonetto (1965), Figueiras (1965), Haas (1969)
Diplodon uruguayensisParodiz (1968), Mansur (1970), Pereira et al. (2014), Mansur et al. (2020), Graf & Cummings (2021)
Diplodon (s.s.) delodontus wimanii [sic]Bonetto & Mansur (1970)
Diplodon wymaniiSimone (2006)

Unio ampullaceus Lea, 1866
Lea, 1866. Proc. Acad. Nat. Sci. 18: 34.
Lea, 1868. Jour. Acad. Nat. Sci. 6 [O. 12]: 269, pl. 35, fig. 83.
Type(s): HOLOTYPE USNM_85614, S. America.

Diplodon (s.s.) ampullaceusSimpson (1900), Simpson (1914)
Diplodon delodontus delodontusHaas (1930)
Diplodon uruguayensisParodiz (1968), Mansur (1970)
Diplodon (s.s.) delodontus delodontusHaas (1969)
Diplodon wymaniiSimone (2006)

Unio apprimus Lea, 1866
Lea, 1866. Proc. Acad. Nat. Sci. 18: 34.
Lea, 1868. Jour. Acad. Nat. Sci. 6 [O. 12]: 263, pl. 33, fig. 78.
Type(s): HOLOTYPE USNM_85167, S. America.

Diplodon (s.s.) apprimusSimpson (1900)
Diplodon (s.s.) wymaniiSimpson (1914)
Diplodon (s.s.) uruguayensisOrtmann (1921)
Diplodon delodontus wymaniiHaas (1930)
Diplodon (s.s.) delodontus wymaniiBonetto (1965), Figueiras (1965), Haas (1969)
Diplodon uruguayensisParodiz (1968), Mansur (1970)
Diplodon (s.s.) delodontus wimanii [sic]Bonetto & Mansur (1970)
Diplodon wymaniiSimone (2006)

Diplodon podagrosus Marshall, 1923
Marshall, 1923. Proc. U.S. Nat. Mus. 63(2485): 3, pl. 1, figs. 1-2, 5; pl. 2, figs. 67.
Type(s): HOLOTYPE (ORIG. DESIG.) USNM_346770, Colon, Entre Rios Prov., Argentina.

Diplodon delodontus delodontusHaas (1930)
Diplodon (Rhipidodonta) charruanusBonetto (1964), Bonetto (1965), Figueiras (1965), Bonetto & Mansur (1970)
Diplodon uruguayensisParodiz (1968), Mansur (1970)
Diplodon (s.s.) delodontus delodontusHaas (1969)
Rhipidodonta charruanaSimone (2006)

Taxonomic History (since 1900)

Diplodon (s.s.) pigerSimpson (1900), Simpson (1914)
Diplodon (s.s.) uruguayensisSimpson (1900), Simpson (1914), Ortmann (1921)
Diplodon (s.s.) ampullaceusSimpson (1900), Simpson (1914)
Diplodon (s.s.) apprimusSimpson (1900)
Diplodon (s.s.) wymaniiSimpson (1914)
Diplodon delodontus wymaniiHaas (1930)
Diplodon delodontus delodontusHaas (1930)
Diplodon (Rhipidodonta) charruanusBonetto (1964), Bonetto (1965), Figueiras (1965), Bonetto & Mansur (1970)
Diplodon (s.s.) delodontus wymaniiBonetto (1965), Figueiras (1965), Haas (1969)
Diplodon uruguayensisParodiz (1968), Mansur (1970), Pereira et al. (2014), Mansur et al. (2020), Graf & Cummings (2021)
Diplodon (s.s.) delodontus delodontusHaas (1969)
Diplodon (s.s.) delodontus wimanii [sic]Bonetto & Mansur (1970)
Diplodon wymaniiSimone (2006)
Rhipidodonta charruanaSimone (2006)

 
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