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Page last updated
9 August
2018

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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 search fields. Either way, you win!

Taxa known only as fossils are highlighted in gray. Those without representatives in fresh waters are highlighted in gold.

 

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Bivalvia | Unionoida | Hyriidae
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NOTICE! This version of the MUSSELpdb online is no longer supported or up-to-date. It will be removed from this web site in the summer of 2019.

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Diplodon Spix & Wagner, 1827: species
  View generic synonymy: 12 synonyms

*Diplodon aethiops (Lea, 1860)
4 synonyms | 45 specimens
Distribution: Paraná System and coastal streams in southern Brazil and Uruguay.
*Diplodon berthae Ortmann, 1921
1 species-level nomen | 24 specimens
Distribution: Rio dos Sinos and Rio Grande do Sul, Brazil.
*Diplodon besckeanus (Dunker, 1848)
5 synonyms | 27 specimens
Distribution: Atlantic Coastal streams of Brazil, from Bahia to São Paulo.
*Diplodon burroughianus (Lea, 1834)
4 synonyms | 76 specimens
Distribution: Lower reaches of the rivers of the Paraná System, including the Rio Uruguay, South America.
*Diplodon caipira (Ihering, 1893)
1 species-level nomen | 5 specimens
Distribution: Upper Paraná, Brazil.
*Diplodon charruanus (d’Orbigny, 1835)
16 synonyms | 292 specimens
Distribution: Paraná System and coastal streams in southern Brazil and Uruguay.
*Diplodon chilensis (Gray, 1828)
43 synonyms | 296 specimens
Distribution: Southern Chile and Argentina, on both sides of the Andes.
Red List Status: least concern. GenBank: nucleotides available.
*Diplodon delodontus (Lamarck, 1819)
14 synonyms | 168 specimens
Distribution: Widespread in the Paraná System, and Atlantic Coastal streams in southern Brazil and Uruguay.
*Diplodon dunkerianus (Lea, 1856)
1 species-level nomen | 9 specimens
Distribution: Atlantic streams from Rio Grande do Sul to Rio de Janeiro, Brazil to Uruguay.
Red List Status: endangered.
*Diplodon ellipticus (Spix & Wagner, 1827)
6 synonyms | 70 specimens
Distribution: Atlantic Coastal streams of Brazil, including the upper São Francisco; and the upper Paraná Basin.
*Diplodon expansus (Küster, 1856)
13 synonyms | 133 specimens
Distribution: Upper Paraná Basin and Atlantic Coastal Streams in southern Brazil and Uruguay.
Red List Status: vulnerable.
*Diplodon flucki Morrison, 1943
1 species-level nomen
Distribution: Orinoco Basin, Venezuela.
*Diplodon fluctiger (Lea, 1859)
1 species-level nomen | 2 specimens
Distribution: Yuruari River, Guyana.
*Diplodon fontainianus (d’Orbigny, 1835)
3 synonyms | 57 specimens
Distribution: Coastal Brazil, from Paraiba south to Espirito Santo, and the upper Paraná Basin.
Red List Status: endangered.
*Diplodon funebralis (Lea, 1860)
5 synonyms | 112 specimens
Distribution: Lower Paraná and Uruguay rivers, Brazil south to Argentina.
*Diplodon granosus (Bruguière, 1792)
9 synonyms | 15 specimens
Distribution: Guyanas south to the Atlantic Coastal streams of Brazil and the upper Paraná Basin, South America.
Red List Status: least concern.
*Diplodon gratus (Lea, 1860)
4 synonyms | 103 specimens
Distribution: Rio Uruguay and Rio Grande do Sul, Brazil.
GenBank: nucleotides available.
*Diplodon greeffeanus (Ihering, 1893)
4 synonyms | 7 specimens
Distribution: Upper Paraná, Brazil.
*Diplodon guaporensis Bonetto & Tassara, 1987
1 species-level nomen | 7 specimens
Distribution: Rio Guapore in the upper Amazon Basin, Bolivia.
*Diplodon guaranianus (d’Orbigny, 1835)
8 synonyms | 52 specimens
Distribution: Widespread, in the upper Amazon from Ecuador to Bolivia and the Paraná Basin, South America.
*Diplodon hildae Ortmann, 1921
1 species-level nomen | 11 specimens
Distribution: Rio Grande do Sul, Brazil.
*Diplodon hylaeus (d’Orbigny, 1835)
2 synonyms | 37 specimens
Distribution: Widespread, from the upper Amazon of Bolivia to the Paraná Basin, South America.
Red List Status: data deficient.
*Diplodon iheringi Simpson, 1914
1 species-level nomen | 30 specimens
Distribution: Rio Grande do Sul, Brazil.
*Diplodon imitator Ortmann, 1921
1 species-level nomen | 5 specimens
Distribution: Rio Grande do Sul, Brazil.
*Diplodon koseritzi (Clessin, 1888)
2 synonyms | 30 specimens
Distribution: Rio Uruguay and Atlantic streams, southern Brazil.
*Diplodon losadae Haas, 1966
1 species-level nomen | 6 specimens
Distribution: Orinoco Basin of Colombia and Venezuela.
*Diplodon martensi (Ihering, 1893)
11 synonyms | 78 specimens
Distribution: Paraná System and coastal streams in southern Brazil and Uruguay.
*Diplodon multistriatus (Lea, 1831)
2 synonyms | 173 specimens
Distribution: Atlantic Coastal streams of Brazil near Rio de Janeiro and the upper Paraná.
*Diplodon obsolescens F. Baker, 1913
2 synonyms | 44 specimens
Distribution: From the Guyanas south to the Amazon, South America.
*Diplodon parallelopipedon (Lea, 1834)
13 synonyms | 118 specimens
Distribution: Widespread in the Paraná System and coastal Uruguay, South America.
Red List Status: least concern.
*Diplodon paranensis (Lea, 1834)
3 synonyms | 114 specimens
Distribution: Widespread in the Paraná Basin, South America.
*Diplodon parodizi Bonetto, 1962
2 synonyms | 17 specimens
Distribution: Paraguay and Paraná rivers, Argentina.
*Diplodon paulista (Ihering, 1893)
4 synonyms | 34 specimens
Distribution: Upper Paraná, Brazil.
*Diplodon peraeformis (Lea, 1860)
4 synonyms | 9 specimens
Distribution: Rio Uruguay, Uruguay and Argentina.
*Diplodon pfeifferi (Dunker, 1848)
1 species-level nomen | 2 specimens
Distribution: Rio Negro (Atlantic drainage), Rio de Janeiro, Brazil.
Red List Status: vulnerable.
*Diplodon piceus (Lea, 1860)
1 species-level nomen | 42 specimens
Distribution: Paraná and adjacent coastal streams, Brazil and Uruguay.
*Diplodon rhombeus (Spix & Wagner, 1827)
5 synonyms | 48 specimens
Distribution: Amazon and São Francisco rivers, Brazil.
*Diplodon rhuacoicus (d’Orbigny, 1835)
8 synonyms | 102 specimens
Distribution: Paraná and Uruguay rivers and adjacent Atlantic streams from Rio de Janeiro, Brazil to Uruguay.
*Diplodon rotundus (Spix & Wagner, 1827)
6 synonyms | 67 specimens
Distribution: São Francisco and upper Paraná rivers, Brazil.
*Diplodon solidulus (Philippi, 1869)
1 species-level nomen | 2 specimens
Distribution: Southern Chile.
*Diplodon solisianus (d’Orbigny, 1835)
4 synonyms | 29 specimens
Distribution: Paraná and Uruguay rivers, Uruguay.
*Diplodon suavidicus (Lea, 1856)
9 synonyms | 163 specimens
Distribution: Guyana, south through the lower Amazon and Tocantins, and Coastal streams in Espirito Santo, Brazil.
GenBank: nucleotides available.
*Diplodon uruguayensis (Lea, 1860)
5 synonyms | 39 specimens
Distribution: Paraná and Uruguay rivers, South America.
*Diplodon variabilis (Maton, 1811)
11 synonyms | 85 specimens
Distribution: Widespread in the Paraná Basin, South America.
*Diplodon vicarius Ortmann, 1921
1 species-level nomen | 4 specimens
Distribution: Atlantic tributary near São Paulo, Brazil.
*Diplodon voltzi Vernhout, 1914
1 species-level nomen | 3 specimens
Distribution: Surinam.
*Diplodon wymanii (Lea, 1860)
6 synonyms | 98 specimens
Distribution: Paraná and Uruguay rivers, South America.
 
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