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
Bivalvia | Unionida | Hyrioidea | Hyriidae | Hyriinae | Rhipidodontini | Diplodon
species Diplodon guaranianus (d’Orbigny, 1835): specimens
5 available nominal species synonyms (8 total synonyms)
Recent Taxonomic Opinions
Rhipidodonta hylaea — IUCN (2011)
Diplodon (s.s.) guaranianus — Pereira et al. (2014)
Diplodon guaranianus — Mansur et al. (2020), Graf & Cummings (2021), Breure et al. (2022), Nagel (2025)
Range
Widespread, in the upper Amazon from Ecuador to Bolivia and the Paraná Basin, South America. (South America: SA3 SA5)
Map of Georeferenced Specimens
MUSSELp Specimen Records
Type Specimens
SMF_3892
Rio Imbabura, Amazonas - Geb., Ecuador
syntype
Castalia pazi Hidalgo, 1868
CM_61.5857
Rio Guaporé, near Rio Sao Simao, Matto Grosso, Brazil
lectotype
Diplodon hasemani Ortmann, 1921
ANSP_167869
Rio Guaporé, near Rio Sao Simao, Matto Grosso, Brazil
paralectotype
Diplodon hasemani Ortmann, 1921
BMNH_54-12-4-841
Rio Paraná, Prov. Corrientes, Argentina
lectotype
Unio guaraniana d’Orbigny, 1835
UMMZ_111264
Rio Guaporé, near Rio Sao Simao, Matto Grosso, Brazil
paralectotypes
Diplodon hasemani Ortmann, 1921
MCZ_47040
Rio Guaporé, near Rio Sao Simao, Matto Grosso, Brazil
paralectotype
Diplodon hasemani Ortmann, 1921
SMF_4645
Rio Guaporé, near Rio Sao Simao, Matto Grosso, Brazil
paralectotype
Diplodon hasemani Ortmann, 1921
BMNH_54-12-4-841-1
Rio Paraná, Prov. Corrientes, Argentina
paralectotype
Unio guaraniana d’Orbigny, 1835
Other Specimens by Collection | show by country
7 Specimens from ANSP
ANSP_251874
beach, foot of Calle Pueyrredon, Acassuso, Buenos Aires, Argentina
ANSP_251775
La Plata beach, foot of Calle Peru, Acassuso, Buenos Aries, Argentina
ANSP_334547
Lake, Belgrano Park, Santa Fe City, Argentina
ANSP_217292
Plata River
ANSP_217258
R. Plata, Buenos Aries, Argentina
ANSP_251798
Rio de la Plata, Calle Pueyrredon, Acassuso, Buenos Aires, Argentina
ANSP_85113
[no locality available - South America]
9 Specimens from CM
CM_66.95
Anchorena, 6 km N of Buenos Aires, Rio de la Plata, Argentina
CM_61-128
Boca Laguna Setubal, Santa Fe, Argentina
CM_52-10
Isla Los Chepes, between Colastine and Coronda, Sante Fe, Argentina
CM_66.98
Laguna Guadalupe, Santa Fe, Argentina
CM_61.48
Parke Belgrano, Santa Fe City, Argentina
CM_42-583
swamp of Arroyo Quilla, Belgrano Park, Santa Fe City, Argentina
CM_61.9243
Paraguay River, Corumba, Matto Grosso, Brazil
CM_61.5855
Rio Paraguay, Sao Luis de Caceres, Matto Grosso, Brazil
CM_61.5854
swamp of Lambare, Asuncion, Paraguay
1 Specimens from DMNH
DMNH_78626
Acassuso, Buenos Aires, Argentina
3 Specimens from FMNH
FMNH_46816
Lagoon on Bieri Island, 280 km N Santa Fe, Argentina
FMNH_46815
Lagoon on Bieri Island, 280 km N Santa Fe, Argentina
FMNH_46814
Lake, in Parque Garay, Santa Fe, Argentina
1 Specimens from INHS
INHS_46935
Brazil: Rondônia: Cacoal: (Amazon - Madeira - Jiparana ou Machado): rio Machado
1 Specimens from MNHN
MNHN_MP_0983
Rio Paraguay pres de Rio Apa, Paraguay
1 Specimens from PUCRS-MCP
PUCRS-MCP_9110. Brazil: Rondônia: Cacoal: (Amazon - Madeira - Jiparana ou Machado): rio Machado
2 Specimens from UF
UF_517953. Brazil, Mato Grosso, Rio Machedo Rio Madeira
UF_518724. Brazil, Mato Grosso, Rio Machedo Rio Madeira
1 Specimens from UMMZ
UMMZ_112010
Paraguay, South America
2 Specimens from ZMB
ZMB_MP_0289
Paraguay
ZMB_7477
[no locality available - South America]
GenBank Vouchers
There are no georeferenced GenBank vouchers for this species in the MUSSELpdb.
