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), Nagel (2025)
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. (South America: SA5)

Map of Georeferenced Specimens

specimens map of Diplodon parallelopipedon

MUSSELp Specimen Records

Type Specimens

SMF_3906
Parana, St. Entre Rios, Argentina
holotype
Diplodon fraus Ihering, 1907

USNM_85930
S. America
type
Unio acutirostris Lea, 1866

BMNH_1965199
India
holotype
Unio digitiformis Sowerby, 1868

USNM_85928
Paraná R., Prov. Corrientes, S. America
type
Unio parallelopipedon Lea, 1834

ANSP_171278
[no locality available - South America]
type
Unio parallelopipedon Lea, 1834

ANSP_61374
Rio Paraná
paratypes
Unio parallelopipedon Lea, 1834

Other Specimens by Collection | show by country

11 Specimens from AMNH

AMNH_100120
Laguna “Don Pancho”, Dto. La Capital, Prov., Santa Fe, Argentina

AMNH_30900
Rio Paraná

AMNH_164766
Arroyo Carracoles, 3 km from Ciudad de Rocha, Depto. Rocha, Uruguay

AMNH_92250
Arroyo el Chileno, Dto. de Colonia, Uruguay

AMNH_141129
Arroyo Maciel, Depto. Florida, Uruguay

AMNH_141142
Arroyo San Antonio, Salto, Uruguay

AMNH_146561
Arroyo Yacui, Artigas, Uruguay

AMNH_100468
Bahia de Colonia, Uruguay

AMNH_146560
Laguna del Sacra, Maldonado, Uruguay

AMNH_89892
Lagunas de Arazati, Dto. de San Jose, Uruguay

AMNH_305958
Rio Yi, Dto. Florida, Uruguay

1 Specimens from AMS

AMS_126874
Arroyo Timote, Dto. Florida, Uruguay

7 Specimens from ANSP

ANSP_324640
Laguna Redonda, Santa Fe

ANSP_232414
Arroyo Yacui, Artigas, Uruguay

ANSP_69711
La Plata R., Colonia, Uruguay

ANSP_72631
nr Maldonado, Uruguay

ANSP_125833
Uruguay

ANSP_41883
Uruguay

ANSP_334540
Yi River, Florida, Uruguay

4 Specimens from BMNH

BMNH_54-9-4-7
Parana, Corrientes

BMNH_1933-2-11-14-16
Arroyo, Rio Tubicaury, Paraguay

BMNH_MP_033
Villarica, Arroyo Tebicuary, Paraguay

BMNH_43-5-29-30
Rio Paraná

6 Specimens from CM

CM_52-6
Lagunas Arroyo Malabrigo, Romang, Santa Fe, Argentina

CM_61.5124
Rio Uruguay (mud), Uruguayana, Rio Grande do Sul, Brazil

CM_64.80
Arroyo Timote, Dto. Florida, Uruguay

CM_61.5123
in a pond along the Rio Negro, Santa Isabel, Uruguay

CM_59-48
Laguna del Sauce, Maldonado, Uruguay

CM_59-43
Rio Yi, Florida, Uruguay

2 Specimens from DMNH

DMNH_78639
Laguna Redonda, Santa Fe, Uruguay

DMNH_164806
Uruguay

9 Specimens from FMNH

FMNH_216670
Lagunas islenas del Rio Paraná, Argentina

FMNH_17217
Rio Paraná, near Rosario, Prov. Buenos Aires, Argentina

FMNH_21829
Rio Alto Parana, Paraguay

FMNH_86670
Arroyo Pan de Azucar, Maldonado, Uruguay

FMNH_53974
Arroyo Yacui, Departmento de Artigas, Uruguay

FMNH_216666
Arroyo Yacui, Departmento de Artigas, Uruguay

FMNH_120440
Departmento de Paysandu, Uruguay

FMNH_216665
Laguna del Sauce, Departmento de Maldonado, Uruguay

FMNH_120619
Laguna del Sauce, Uruguay

1 Specimens from INHS

INHS_24771
Rio Yi, Durazno, at Rt. 5 bridge, Durazno, Uruguay

8 Specimens from MCZ

MCZ_212455
Isla “El Paraguayo” Frente a la ciudad de Rosario, Departmento de Rosario, Pcia. de Santa Fe, Argentina

MCZ_111733
Itati, Corrientes, Argentina

MCZ_MP.44
Parana River, Prov. of Corrientes, Argentina

MCZ_MP.48
Rio de la Plata, Argentina

MCZ_65675
Rio Tebicuary, Villarica, Paraguay

MCZ_MP.41
[no locality available - South America]

MCZ_MP.42
South America

MCZ_201348
Arroyo Yacui, Departmento de Artigas, Uruguay

6 Specimens from PUCRS-MCP

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

PUCRS-MCP_0383. Uruguay: (Rio de la Plata): Uruguay

14 Specimens from SMF

SMF_11327
Corrientes, Argentina