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Page last updated
Thu 17 July 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!


Bivalvia | ... | Hyriidae | Hyriinae | Rhipidodontini | Diplodon

species Diplodon fontainianus (d’Orbigny, 1835): synonymy
     59 specimens

Unio fontainiana d’Orbigny, 1835
d’Orbigny, 1835. Mag. Zool. 5(61-62): 36.
d’Orbigny, 1846. Voyage dans l’Amérique Méridionale 5: 605, pl. 69, figs. 6-7 [as ‘fontaineana’].
Type(s): TYPE BMNH_1854-9-4-49, Rio Parahiba, Brazil.

Diplodon (Cyclomya s.s.) fontainianusSimpson (1900), Simpson (1914)
Diplodon (Cyclomya) fontainianusHaas (1930), Haas (1931)
Diplodon (Rhipidodonta) fontainianusMorretes (1949), Haas (1969)
Diplodon fontainianusBonetto (1959), Graf (2000), Simone (2006), Graf & Cummings (2007), Bogan (2010), Pereira et al. (2014), Miyahira et al. (2019), Mansur et al. (2020), Graf & Cummings (2021)
Diplodon (s.s.) rotundus fontaineana [sic]Bonetto (1964)
Diplodon (s.s.) rotundus fontaneanus [sic]Bonetto (1965)
Diplodon rotundus fontaineanus [sic]Parodiz (1968)
Diplodon (s.s.) rhombeus fontaineanus [sic]Bonetto & Mansur (1970)
Diplodon fontaineanus [sic]IUCN (1996)

Unio fontaineana d’Orbigny, 1846
d’Orbigny, 1846. Voyage dans l’Amérique Méridionale 5: 605, pl. 69, figs. 6-7.
(error for Unio fontainiana d’Orbigny, 1835)

Diplodon (Cyclomya s.s.) fontainianusSimpson (1900), Simpson (1914)

Diplodon fontaneanus Bonetto, 1965
‘Orb.’ Bonetto, 1965. Anais Congr. Lat.-Amer. Zool. 2: 42.
(error for Unio fontainiana d’Orbigny, 1835)

Taxonomic History (since 1900)

Diplodon (Cyclomya s.s.) fontainianusSimpson (1900), Simpson (1914)
Diplodon (Cyclomya) fontainianusHaas (1930), Haas (1931)
Diplodon (Rhipidodonta) fontainianusMorretes (1949), Haas (1969)
Diplodon fontainianusBonetto (1959), Graf (2000), Simone (2006), Graf & Cummings (2007), Bogan (2010), Pereira et al. (2014), Miyahira et al. (2019), Mansur et al. (2020), Graf & Cummings (2021)
Diplodon (s.s.) rotundus fontaineana [sic]Bonetto (1964)
Diplodon (s.s.) rotundus fontaneanus [sic]Bonetto (1965)
Diplodon rotundus fontaineanus [sic]Parodiz (1968)
Diplodon (s.s.) rhombeus fontaineanus [sic]Bonetto & Mansur (1970)
Diplodon fontaineanus [sic]IUCN (1996)

 
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