MUSSELpdb
Taxonomy
Species & Genus Richness of
freshwater mussels
by Taxonomy
Species & Genus Richness of
freshwater bivalves
by Family
Geography
Species Richness & Endemism of
freshwater mussels
by Geography
Data last updated
Thu 22 January 2026
Bivalvia | Unionida | Hyrioidea | Hyriidae | Hyriinae | Rhipidodontini | Diplodon
species Diplodon parallelopipedon (Lea, 1834): specimens
5 available nominal species synonyms (14 total synonyms)
Recent Taxonomic Opinions
Diplodon parallelopipedon — Graf & Cummings (2007), Bogan (2010), IUCN (2011), Mansur et al. (2020), Graf & Cummings (2021), Bolotov et al. (2022), Torres et al. (2024)
Diplodon (s.s.) parallelopipedon — Rumi et al. (2008), Pereira et al. (2014), Torres et al. (2018)
Diplodon (s.s.) trifidus — Rumi et al. (2008)
Diplodon parallelopipedon acutirostris — IUCN (2011)
Range
Widespread in the Paraná System and coastal Uruguay, South America.
Map of Georeferenced Specimens
MUSSELp Specimen Records
Argentina
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ZMA_210589. Rio Alto Parana, Prov. de Corrientes, Rio de Janeiro, Argentina
Brazil
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PUCRS_MCP_8374. Brazil: Rio Grande do Sul: Bagé: (Río de la Plata - Uruguay - Negro): : Estação 1- Passo do Valente, Bacia do Rio Negro (afluente do curso inferior do Rio Uruguai), Municipio de Bagé: -31.34622 -54.10355
PUCRS_MCP_5256. Brazil: Rio Grande do Sul: São Borja: (Rio de la Plata - Uruguay): : : -28.62155 -56.03110
PUCRS_MCP_5378. Brazil: Rio Grande do Sul: São Borja: (Rio de la Plata - Uruguay): : : -28.62155 -56.03110
PUCRS_MCP_5145. Brazil: Rio Grande do Sul: Tramandaí: (Atlantic Ocean - Logoa Dos Patos): Praia Xavier: -32.02848 -52.09638
PUCRS_MCP_8417. Brazil: Rio Grande do Sul: Uruguaiana: (Río de la Plata - Uruguay): Arroio Sanchuri: Estação 9, Arroio Sanchuri, Afluente do Rio Uruguai, Municipio de Uruguaiana: -29.54560 -56.82234
India
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Paraguay
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unknown
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Uruguay
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PUCRS_MCP_0383. Uruguay: (Rio de la Plata): Uruguay
Uruguay, Argentina, or Brazil
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Genbank Vouchers
There are no georeferenced Genbank vouchers for this species in the MUSSELpdb.