| 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 | Unionoida | Hyrioidea | Hyriidae | Hyriinae | Rhipidodontini genus Diplodon Spix in Wagner, 1827: species
8 available nominal genus synonyms (12 total synonyms) | cladomics  Diplodon aethiops (Lea, 1860)
syonymy (2 available, 4 total) | specimens (45)
Range: Paraná System and coastal streams in southern Brazil and Uruguay. (South America)
other links: MolluscaBase
|  Diplodon berthae Ortmann, 1921
syonymy (1 available, 1 total) | specimens (24)
Range: Rio dos Sinos and Rio Grande do Sul, Brazil. (South America)
other links: MolluscaBase
|  Diplodon burroughianus (Lea, 1834)
syonymy (2 available, 2 total) | specimens (76)
Range: Lower reaches of the rivers of the Paraná System, including the Rio Uruguay, South America. (South America)
other links: MolluscaBase
|  Diplodon caipira (Ihering, 1893)
syonymy (1 available, 1 total) | specimens (5)
Range: Upper Paraná, Brazil. (South America)
other links: MolluscaBase
|  Diplodon charruanus (d’Orbigny, 1835)
syonymy (11 available, 16 total) | specimens (308)
Range: Paraná System and coastal streams in southern Brazil and Uruguay. (South America)
other links: MolluscaBase
|  Diplodon chilensis (Gray, 1828)
syonymy (29 available, 43 total) | specimens (308)
Range: Southern Chile and Argentina, on both sides of the Andes. (South America)
Genbank sequences: 28S, COI, other
IUCN Red List: Least Concern
other links: MolluscaBase
|  Diplodon delodontus (Lamarck, 1819)
syonymy (10 available, 14 total) | specimens (175)
Range: Widespread in the Paraná System, and Atlantic Coastal streams in southern Brazil and Uruguay. (South America)
other links: MolluscaBase
|  Diplodon ellipticus Spix in Wagner, 1827
syonymy (8 available, 14 total) | specimens (100)
Range: Atlantic Coastal streams of Brazil, including the upper São Francisco; and the upper Paraná Basin. (South America)
IUCN Red List: Endangered A1ae (Diplodon dunkerianus)
other links: MolluscaBase
|  Diplodon fontainianus (d’Orbigny, 1835)
syonymy (1 available, 3 total) | specimens (59)
Range: Coastal Brazil, from Paraiba south to Espirito Santo, and the upper Paraná Basin. (South America)
IUCN Red List: Endangered A1ae (Diplodon fontaineanus)
other links: MolluscaBase
|  Diplodon funebralis (Lea, 1860)
syonymy (4 available, 5 total) | specimens (113)
Range: Lower Paraná and Uruguay rivers, Brazil south to Argentina. (South America)
other links: MolluscaBase
|  Diplodon garbei Ihering, 1910
syonymy (1 available, 1 total) | specimens (9)
Range: Doce and Paraiba do Sul basins, Brazil. (South America)
other links: MolluscaBase
|  Diplodon granosus (Bruguière, 1792)
syonymy (3 available, 7 total) | specimens (17)
Range: Guyanas, South America. (South America)
IUCN Red List: Least Concern
other links: MolluscaBase
|  Diplodon gratus (Lea, 1860)
syonymy (3 available, 4 total) | specimens (104)
Range: Rio Uruguay and Rio Grande do Sul, Brazil. (South America)
Genbank sequences: COI
other links: MolluscaBase
|  Diplodon greeffeanus (Ihering, 1893)
syonymy (1 available, 4 total) | specimens (7)
Range: Upper Paraná, Brazil. (South America)
other links: MolluscaBase
|  Diplodon guaporensis Bonetto & Tassara, 1987
syonymy (1 available, 1 total) | specimens (6)
Range: Rio Guapore in the upper Amazon Basin, Bolivia. (South America)
other links: MolluscaBase
|  Diplodon guaranianus (d’Orbigny, 1835)
syonymy (5 available, 8 total) | specimens (37)
Range: Widespread, in the upper Amazon from Ecuador to Bolivia and the Paraná Basin, South America. (South America)
other links: MolluscaBase
|  Diplodon hildae Ortmann, 1921
syonymy (1 available, 1 total) | specimens (11)
Range: Rio Grande do Sul, Brazil. (South America)
other links: MolluscaBase
|  Diplodon hylaeus (d’Orbigny, 1835)
syonymy (2 available, 2 total) | specimens (58)
Range: Widespread, from the upper Amazon of Bolivia to the Paraná Basin, South America. (South America)
IUCN Red List: Data Deficient (Rhipidodonta hylaea)
other links: MolluscaBase
|  Diplodon iheringi Simpson, 1914
syonymy (1 available, 1 total) | specimens (30)
Range: Rio Grande do Sul, Brazil. (South America)
other links: MolluscaBase
|  Diplodon imitator Ortmann, 1921
syonymy (1 available, 1 total) | specimens (6)
Range: Rio Grande do Sul, Brazil. (South America)
other links: MolluscaBase
|  Diplodon koseritzi (Clessin, 1888)
syonymy (1 available, 2 total) | specimens (31)
Range: Rio Uruguay and Atlantic streams, southern Brazil. (South America)
other links: MolluscaBase
|  Diplodon losadae Haas, 1966
syonymy (1 available, 1 total) | specimens (6)
Range: Orinoco Basin of Colombia and Venezuela. (South America)
other links: MolluscaBase
|  Diplodon martensi (Ihering, 1893)
syonymy (6 available, 11 total) | specimens (78)
Range: Paraná System and coastal streams in southern Brazil and Uruguay. (South America)
other links: MolluscaBase
|  Diplodon multistriatus (Lea, 1831)
syonymy (8 available, 17 total) | specimens (316)
Range: Atlantic Coastal streams of Brazil near Rio de Janeiro and the upper Paraná. (South America)
IUCN Red List: Vulnerable A1ae (Diplodon expansus)
other links: MolluscaBase
|  Diplodon obsolescens F. Baker, 1913
syonymy (2 available, 2 total) | specimens (45)
Range: From the Guyanas south to the Amazon, South America. (South America)
other links: MolluscaBase
|  Diplodon parallelopipedon (Lea, 1834)
syonymy (5 available, 14 total) | specimens (114)
Range: Widespread in the Paraná System and coastal Uruguay, South America. (South America)
IUCN Red List: Least Concern
other links: MolluscaBase
|  Diplodon paranensis (Lea, 1834)
syonymy (2 available, 3 total) | specimens (114)
Range: Widespread in the Paraná Basin, South America. (South America)
other links: MolluscaBase
|  Diplodon parodizi Bonetto, 1962
syonymy (1 available, 2 total) | specimens (18)
Range: Paraguay and Paraná rivers, Argentina. (South America)
other links: MolluscaBase
|  Diplodon paulistus (Ihering, 1893)
syonymy (3 available, 4 total) | specimens (34)
Range: Upper Paraná, Brazil. (South America)
other links: MolluscaBase
|  Diplodon peraeformis (Lea, 1860)
syonymy (2 available, 4 total) | specimens (9)
Range: Rio Uruguay, Uruguay and Argentina. (South America)
other links: MolluscaBase
|  Diplodon pfeifferi (Dunker, 1848)
syonymy (1 available, 1 total) | specimens (2)
Range: Rio Negro (Atlantic drainage), Rio de Janeiro, Brazil. (South America)
IUCN Red List: Vulnerable A1ae
|  Diplodon piceus (Lea, 1860)
syonymy (1 available, 1 total) | specimens (42)
Range: Paraná and adjacent coastal streams, Brazil and Uruguay. (South America)
other links: MolluscaBase
|  Diplodon rhombeus Spix in Wagner, 1827
syonymy (4 available, 4 total) | specimens (49)
Range: Amazon and São Francisco rivers, Brazil. (South America)
other links: MolluscaBase
|  Diplodon rhuacoicus (d’Orbigny, 1835)
syonymy (4 available, 8 total) | specimens (102)
Range: Paraná and Uruguay rivers and adjacent Atlantic streams from Rio de Janeiro, Brazil to Uruguay. (South America)
other links: MolluscaBase
|  Diplodon rotundus Spix in Wagner, 1827
syonymy (2 available, 6 total) | specimens (68)
Range: São Francisco and upper Paraná rivers, Brazil. (South America)
other links: MolluscaBase
|  Diplodon solidulus (Philippi, 1869)
syonymy (1 available, 1 total) | specimens (2)
Range: Southern Chile. (South America)
other links: MolluscaBase
|  Diplodon solisianus (d’Orbigny, 1835)
syonymy (2 available, 4 total) | specimens (29)
Range: Paraná and Uruguay rivers, Uruguay. (South America)
other links: MolluscaBase
|  Diplodon suavidicus (Lea, 1856)
syonymy (5 available, 9 total) | specimens (163)
Range: Guyana, south through the lower Amazon and Tocantins, and Coastal streams in Espirito Santo, Brazil. (South America)
Genbank sequences: 16S, 18S, 28S, COI, mtGenome
other links: MolluscaBase
|  Diplodon uruguayensis (Lea, 1860)
syonymy (5 available, 5 total) | specimens (39)
Range: Paraná and Uruguay rivers, South America. (South America)
other links: MolluscaBase
|  Diplodon variabilis (Maton, 1811)
syonymy (8 available, 11 total) | specimens (85)
Range: Widespread in the Paraná Basin, South America. (South America)
other links: MolluscaBase
|  Diplodon vicarius Ortmann, 1921
syonymy (1 available, 1 total) | specimens (5)
Range: Atlantic tributary near São Paulo, Brazil. (South America)
other links: MolluscaBase
|  Diplodon voltzi Vernhout, 1914
syonymy (1 available, 1 total) | specimens (7)
Range: Surinam. (South America)
other links: MolluscaBase
|  Diplodon wymanii (Lea, 1860)
syonymy (4 available, 6 total) | specimens (100)
Range: Paraná and Uruguay rivers, South America. (South America)
other links: MolluscaBase
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