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Page last updated
Wed 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 | Hyrioidea | Hyriidae | Hyriinae | Rhipidodontini | Diplodon

species Diplodon aethiops (Lea, 1860): synonymy
     45 specimens

Unio aethiops Lea, 1860
Lea, 1860. Proc. Acad. Nat. Sci. 12: 91 [as ‘æthiops’].
Lea, 1863. Jour. Acad. Nat. Sci. 5 [O. 10]: 377, pl. 41, fig. 285 [as ‘æthiops’].
Type(s): HOLOTYPE USNM_85617, Uruguay R., S. America.

Diplodon (s.s.) aethiopsSimpson (1900), Simpson (1914), Mansur & Pereira (2006), Pereira et al. (2014)
Diplodon (s.s.) charruanusOrtmann (1921), Haas (1969)
Diplodon charruanusHaas (1930)
Diplodon (s.s.) rhuacoicusBonetto (1964), Bonetto (1965), Figueiras (1965)
Diplodon parallelipipedon [sic] aethiopsParodiz (1968), Mansur (1970)
Rhipidodonta charruanaSimone (2006)
Diplodon aethiopsMansur et al. (2020), Graf & Cummings (2021)

Unio aethiops var. piracicabana Ihering, 1893
Ihering, 1893. Arch. Naturg. 59(1): 102.

Diplodon (s.s.) aethiops var. piricicabana [sic]Simpson (1900)
Diplodon (s.s.) aethiops var. piracicabanusSimpson (1914)
Diplodon delodontus expansusHaas (1930)
Diplodon (s.s.) delodontus expansusBonetto (1964), Bonetto (1965), Haas (1969)
Diplodon expansusParodiz (1968), Mansur (1970), Quintana (1982), Simone (2006)
Diplodon (s.s.) aethiopsMansur & Pereira (2006)

Unio dunkerianus Clessin, 1888
‘Lea’ Clessin, 1888. Malak. Blatt. 10: 172.

Diplodon (s.s.) aethiopsMansur & Pereira (2006)

Diplodon (s.s.) aethiops var. piricicabana Simpson, 1900
‘von Ihering’ Simpson, 1900. Proc. U.S. Nat. Mus. 22: 877.
Type(s): NOMEN NUDUM SMF_4031, Piracicaba, Geb. d Rio Tiete, St. Sao Paulo, Bras.

Diplodon expansusMansur (1970)

Taxonomic History (since 1900)

Diplodon (s.s.) aethiopsSimpson (1900), Simpson (1914), Mansur & Pereira (2006), Pereira et al. (2014)
Diplodon (s.s.) aethiops var. piricicabana [sic]Simpson (1900)
Diplodon (s.s.) aethiops var. piracicabanusSimpson (1914)
Diplodon (s.s.) charruanusOrtmann (1921), Haas (1969)
Diplodon charruanusHaas (1930)
Diplodon delodontus expansusHaas (1930)
Diplodon (s.s.) rhuacoicusBonetto (1964), Bonetto (1965), Figueiras (1965)
Diplodon (s.s.) delodontus expansusBonetto (1964), Bonetto (1965), Haas (1969)
Diplodon parallelipipedon [sic] aethiopsParodiz (1968), Mansur (1970)
Diplodon expansusParodiz (1968), Mansur (1970), Quintana (1982), Simone (2006)
Rhipidodonta charruanaSimone (2006)
Diplodon aethiopsMansur et al. (2020), Graf & Cummings (2021)

 
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