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

specimens map of Diplodon guaranianus

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 Country | show by collection

1 Specimens from [blank]

SMF_11298
Laguna Cayba ?

16 Specimens from Argentina

DMNH_78626
Acassuso, Buenos Aires, Argentina

CM_66.95
Anchorena, 6 km N of Buenos Aires, Rio de la Plata, Argentina

ANSP_251874
beach, foot of Calle Pueyrredon, Acassuso, Buenos Aires, Argentina

CM_61-128
Boca Laguna Setubal, Santa Fe, Argentina

CM_52-10
Isla Los Chepes, between Colastine and Coronda, Sante Fe, Argentina

ANSP_251775
La Plata beach, foot of Calle Peru, Acassuso, Buenos Aries, Argentina

FMNH_46816
Lagoon on Bieri Island, 280 km N Santa Fe, Argentina

FMNH_46815
Lagoon on Bieri Island, 280 km N Santa Fe, Argentina

CM_66.98
Laguna Guadalupe, Santa Fe, Argentina

ANSP_334547
Lake, Belgrano Park, Santa Fe City, Argentina

FMNH_46814
Lake, in Parque Garay, Santa Fe, Argentina

CM_61.48
Parke Belgrano, 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

CM_42-583
swamp of Arroyo Quilla, Belgrano Park, Santa Fe City, Argentina

6 Specimens from Brazil

INHS_46935
Brazil: Rondônia: Cacoal: (Amazon - Madeira - Jiparana ou Machado): rio Machado

CM_61.9243
Paraguay River, Corumba, Matto Grosso, Brazil

CM_61.5855
Rio Paraguay, Sao Luis de Caceres, Matto Grosso, Brazil

UF_517953. Brazil, Mato Grosso, Rio Machedo Rio Madeira

UF_518724. Brazil, Mato Grosso, Rio Machedo Rio Madeira

PUCRS-MCP_9110. Brazil: Rondônia: Cacoal: (Amazon - Madeira - Jiparana ou Machado): rio Machado

5 Specimens from Paraguay

ZMB_MP_0289
Paraguay

UMMZ_112010
Paraguay, South America

SMF_11297
Rio Apa a.d. Mündung in den Rio Paraguay

MNHN_MP_0983
Rio Paraguay pres de Rio Apa, Paraguay

CM_61.5854
swamp of Lambare, Asuncion, Paraguay

2 Specimens from unknown

ZMB_7477
[no locality available - South America]

ANSP_85113
[no locality available - South America]

GenBank Vouchers

There are no georeferenced GenBank vouchers for this species in the MUSSELpdb.