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Taxonomy

Species & Genus Richness by
Taxonomy

Geography

Species Richness & Endemism by
Geography

Data last updated
Mon 1 Dec 2025

genus Diplodon Spix in Wagner, 1827: species

8 available nominal genus synonyms (12 total synonyms) | cladomics

Included Species

Decorative image of a representative of Diplodon aethiops

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

Decorative image of a representative of Diplodon berthae

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

Decorative image of a representative of Diplodon burroughianus

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

Decorative image of a representative of Diplodon caipira

Diplodon caipira (Ihering, 1893)

syonymy (1 available, 1 total) | specimens (5)

Range: Upper Paraná, Brazil. (South America)

other links: MolluscaBase

Decorative image of a representative of Diplodon charruanus

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

Decorative image of a representative of Diplodon delodontus

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

Decorative image of a representative of Diplodon ellipticus

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

Decorative image of a representative of Diplodon fontainianus

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

Decorative image of a representative of Diplodon funebralis

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

Decorative image of a representative of Diplodon garbei

Diplodon garbei Ihering, 1910

syonymy (1 available, 1 total) | specimens (9)

Range: Doce and Paraiba do Sul basins, Brazil. (South America)

other links: MolluscaBase

Decorative image of a representative of Diplodon granosus

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

Decorative image of a representative of Diplodon gratus

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

Decorative image of a representative of Diplodon greeffeanus

Diplodon greeffeanus (Ihering, 1893)

syonymy (1 available, 4 total) | specimens (7)

Range: Upper Paraná, Brazil. (South America)

other links: MolluscaBase

Decorative image of a representative of Diplodon guaporensis

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

Decorative image of a representative of Diplodon guaranianus

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

Decorative image of a representative of Diplodon hildae

Diplodon hildae Ortmann, 1921

syonymy (1 available, 1 total) | specimens (11)

Range: Rio Grande do Sul, Brazil. (South America)

other links: MolluscaBase

Decorative image of a representative of Diplodon hylaeus

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

Decorative image of a representative of Diplodon iheringi

Diplodon iheringi Simpson, 1914

syonymy (1 available, 1 total) | specimens (30)

Range: Rio Grande do Sul, Brazil. (South America)

other links: MolluscaBase

Decorative image of a representative of Diplodon imitator

Diplodon imitator Ortmann, 1921

syonymy (1 available, 1 total) | specimens (6)

Range: Rio Grande do Sul, Brazil. (South America)

other links: MolluscaBase

Decorative image of a representative of Diplodon koseritzi

Diplodon koseritzi (Clessin, 1888)

syonymy (1 available, 2 total) | specimens (31)

Range: Rio Uruguay and Atlantic streams, southern Brazil. (South America)

other links: MolluscaBase

Decorative image of a representative of Diplodon losadae

Diplodon losadae Haas, 1966

syonymy (1 available, 1 total) | specimens (6)

Range: Orinoco Basin of Colombia and Venezuela. (South America)

other links: MolluscaBase

Decorative image of a representative of Diplodon martensi

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

Decorative image of a representative of Diplodon multistriatus

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

Decorative image of a representative of Diplodon obsolescens

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

Decorative image of a representative of Diplodon parodizi

Diplodon parodizi Bonetto, 1962

syonymy (1 available, 2 total) | specimens (18)

Range: Paraguay and Paraná rivers, Argentina. (South America)

other links: MolluscaBase

Decorative image of a representative of Diplodon paulistus

Diplodon paulistus (Ihering, 1893)

syonymy (3 available, 4 total) | specimens (34)

Range: Upper Paraná, Brazil. (South America)

other links: MolluscaBase

Decorative image of a representative of Diplodon peraeformis

Diplodon peraeformis (Lea, 1860)

syonymy (2 available, 4 total) | specimens (9)

Range: Rio Uruguay, Uruguay and Argentina. (South America)

other links: MolluscaBase

Decorative image of a representative of Diplodon pfeifferi

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

Decorative image of a representative of Diplodon piceus

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

Decorative image of a representative of Diplodon rhombeus

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

Decorative image of a representative of Diplodon rhuacoicus

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

Decorative image of a representative of Diplodon rotundus

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

Decorative image of a representative of Diplodon solidulus

Diplodon solidulus (Philippi, 1869)

syonymy (1 available, 1 total) | specimens (2)

Range: Southern Chile. (South America)

other links: MolluscaBase

Decorative image of a representative of Diplodon solisianus

Diplodon solisianus (d’Orbigny, 1835)

syonymy (2 available, 4 total) | specimens (29)

Range: Paraná and Uruguay rivers, Uruguay. (South America)

other links: MolluscaBase

Decorative image of a representative of Diplodon suavidicus

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

Decorative image of a representative of Diplodon uruguayensis

Diplodon uruguayensis (Lea, 1860)

syonymy (5 available, 5 total) | specimens (39)

Range: Paraná and Uruguay rivers, South America. (South America)

other links: MolluscaBase

Decorative image of a representative of Diplodon variabilis

Diplodon variabilis (Maton, 1811)

syonymy (8 available, 11 total) | specimens (85)

Range: Widespread in the Paraná Basin, South America. (South America)

other links: MolluscaBase

Decorative image of a representative of Diplodon vicarius

Diplodon vicarius Ortmann, 1921

syonymy (1 available, 1 total) | specimens (5)

Range: Atlantic tributary near São Paulo, Brazil. (South America)

other links: MolluscaBase

Decorative image of a representative of Diplodon voltzi

Diplodon voltzi Vernhout, 1914

syonymy (1 available, 1 total) | specimens (7)

Range: Surinam. (South America)

other links: MolluscaBase

Decorative image of a representative of Diplodon wymanii

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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