MUSSELpdb | valid sp. Diplodon delodontus specimens

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Page last updated
Thu 17 July 2025

The Freshwater Mussels (Unionoida) of the World (and other less consequential bivalves)

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species Diplodon delodontus (Lamarck, 1819): specimens
10 available nominal species synonyms (14 total synonyms)

Recent Taxonomic Opinions

Diplodon delodontus — Graf & Cummings (2007), Bogan (2010), Mansur et al. (2020), Graf & Cummings (2021)
Diplodon (s.s.) delodontus delodontus — Rumi et al. (2008)
Diplodon (s.s.) delodontus — Pereira et al. (2014), Torres et al. (2018)
Diplodon delodonta — Torres et al. (2024)

Range

Widespread in the Paraná System, and Atlantic Coastal streams in southern Brazil and Uruguay.

Map of Georeferenced Specimens

species map

UMMZ_111267 Amazonas [No - Rio de la Plata]	UMMZ_111267 Amazonas [No - Rio de la Plata]	UMMZ_111267 Amazonas [No - Rio de la Plata]
FMNH_120479 Rio Hanyes, Upper Amazon [No - Rio de la Plata]

ZMA_419663. La Plata

Argentina

DMNH_78611 Acassuso, Buenos Aires, Argentina	SMF_163523 Argentinien; Laguna de Vargas, dremaje del Arroyo Malabrigo, Romang, Prov Santa Fe	BMNH_1922-8-23-88-89 Arroyo Conchillas, prov. Buenos Aires, Argentina
ZMB_64160 Arroyo Conchillas, prov. Buenos Aires, Argentina	MCZ_111736 Arroyo Conchitas, Argentina	MNHN_MP_0966 Arroyo Conchitas, prov. Bs. Aires, R.A.
ANSP_324644 Arroyo del Rio Parana, Santa Fe, Argentina	ANSP_324644 Arroyo del Rio Parana, Santa Fe, Argentina	AMS_126877 Arroyo el Chileno, Buenos Aires, Argentina
UMMZ_186192 Arroyo Las Tunas (between Benavidez and Gral. Pacheco stations) near to the intersection with the road Buenos Aires-Campana, Prov. Buenos Aires, Argentina	UMMZ_186192 Arroyo Las Tunas (between Benavidez and Gral. Pacheco stations) near to the intersection with the road Buenos Aires-Campana, Prov. Buenos Aires, Argentina	UMMZ_186192 Arroyo Las Tunas (between Benavidez and Gral. Pacheco stations) near to the intersection with the road Buenos Aires-Campana, Prov. Buenos Aires, Argentina
CM_61.72 Arroyo Los Pozos, 8 km above R. Matanzas, Buenos Aires, Argentina	UMMZ_184813 Arroyo Los Pozos, 8 km above R. Matanzas, Buenos Aires, Argentina	UMMZ_184813 Arroyo Los Pozos, 8 km above R. Matanzas, Buenos Aires, Argentina
UMMZ_184813 Arroyo Los Pozos, 8 km above R. Matanzas, Buenos Aires, Argentina	UF_159740 Arroyo Perucho Verna, 15 km N of Colon, Entre Rios, Argentina	CM_MP_25 Arroyo Urquiza, between Concepcion del Uruguay and Colon, Entre Rios, Argentina
BMNH_54-9-4-46 Buenos Ayres, Plata	MCZ_212452 Isla Bieri, 20 km al S De Puerto Malabrigo, Departmento de de San Javier, Pcia de Santa Fe, Argentina	ANSP_41879 La Plata
ZMB_25044 La Plata	ZMB_25044 La Plata	BMNH_MP_030 La Plata, Buenos Aires
FMNH_46095 Lagoon on Bieri Island, between Rios Parana and San Javier, 60 km S of Reconquista, Santa Fe, Argentina	FMNH_44557 Lagoons of Arroyo Malabrigo, northern Santa Fe Province, Argentina	UMMZ_248836 Laguna del Arroyo Malabrigo, Pcia. de Santa Fe, Argentina
UMMZ_248836 Laguna del Arroyo Malabrigo, Pcia. de Santa Fe, Argentina	MCZ_212448 Laguna del Arroyo Malabrigo, Romang, Departmento de San Javier, Pcia. de Santa Fe, Argentina	CM_66.93 Laguna Guadalupe, Santa Fe, Argentina
CM_MP_29 Laguna Setubal, near Puente Colgante, Santa Fe, Argentina	CM_61.69 Las Tunas (Gal. Pacheco), Buenos Aires	ZMB_42318 Lujan, Argentina
ZMB_42318 Lujan, Argentina	SMF_14080 Pesquerias Zarate, R. Argentina	SMF_11088 Prov. Buenos Aires, Arg.
SMF_168319 Prov. Buenos Aires, Brasilien [Argentina]	FMNH_17218 Puerto Nuevo, Buenos Aires, Argentina	SMF_11084 Riachuelo, [Río Matanza-Riachuelo] Rio de la Plata, Argentinien
SMF_11083 Riachuelo, Argentinien [Río Matanza-Riachuelo, Río de la Plata]	BMNH_54-9-4-42 Rio Balel, Corrientes	FMNH_50722 Rio Chapadmalal, near Chapadmalal, Prov. Buenos Aires, Argentina
SMF_11086 Rio de La Plata	UMMZ_111269 Rio de la Plata	UMMZ_111269 Rio de la Plata
UMMZ_111269 Rio de la Plata	USNM_85337 Rio de la Plata, S. Am.	USNM_85337 Rio de la Plata, S. Am.
USNM_85337 Rio de la Plata, S. Am.	UF_159737 Rio Gualeguaychu, 8 km W Caseros, 32 km W Concepcion Del Uruguay, Entre Rios, Argentina	FMNH_21823 Rio Matanzas, Prov. Buenos Aires, Argentina
SMF_11085 Rio Paraná, Argentinien	ANSP_125600 Rio Plata	MNHN_MP_0969 rives d’ Uruguay, Concepcion, Province Entre Rios, Argentina
USNM_363027 Tigre R., Tigre, Argentina	USNM_363027 Tigre R., Tigre, Argentina	USNM_348794 Tigre River, Tigre, Argentina
USNM_348794 Tigre River, Tigre, Argentina	AMS_126878 Vargus Lagoon, San Javier River, trib. of Parana River, Santa Fe, Argentina

ZMA_9049. Arroya Campichuela, San Vincente, Buenos Aires, Argentina

ZMA_55629. Arroyo de la Cruz, Buenos Aires, Argentina

Brazil

FMNH_216449 Alegrete, Est. Rio Grande do Sul, Brazil	ZMB_MP_0377 Banhados do San Leopoldo & Barra G, Porto Alegre	ZMB_9377 Brasilien
AMNH_30928 Brazil	UF_270577 Brazil	UMMZ_110949 Brazil
UMMZ_110949 Brazil	UMMZ_110949 Brazil	UMMZ_111270 Brazil
UMMZ_111270 Brazil	UMMZ_111270 Brazil	UMMZ_23150 Brazil
UMMZ_23150 Brazil	UMMZ_23150 Brazil	USNM_162400 Camaguam, Brazil
UF_270600 near Port Alegre, Brazil	USNM_122300 Rio Camaguam, Brazil	ZMB_39380 Rio Camaguam, Rio Grande do Sul
UMMZ_111268 Rio Camaquam, Rio Grande do Sul, Brazil	UMMZ_111268 Rio Camaquam, Rio Grande do Sul, Brazil	UMMZ_111268 Rio Camaquam, Rio Grande do Sul, Brazil
ANSP_61802 Rio Camaquan, Brazil	ANSP_69451 Rio Camaquan, Rio Grande do Sul, Brazil	ANSP_69451 Rio Camaquan, Rio Grande do Sul, Brazil
ZMB_MP_0258 Rio Grande do Sul	UMMZ_111903 Rio Guahyba, Porto Alegre, Rio Grande do Sul, Brazil	UMMZ_111903 Rio Guahyba, Porto Alegre, Rio Grande do Sul, Brazil
UMMZ_111903 Rio Guahyba, Porto Alegre, Rio Grande do Sul, Brazil	UMMZ_111847 Rio Jacuí, Cachoeira, Rio Grande do Sul, Brazil	UMMZ_111847 Rio Jacuí, Cachoeira, Rio Grande do Sul, Brazil
UMMZ_111847 Rio Jacuí, Cachoeira, Rio Grande do Sul, Brazil	ZMB_MP_0237 Sudl Brasilien, Fl Jacuhy	ZMB_MP_0378 Taguara
ZMB_MP_0374 Taguara, Brasil

PUCRS_MCP_8380. Brazil: Rio Grande do Sul: Aceguá: (Río de la Plata - Uruguay): Estação 2- Colônia Nova, Rio Jaguarão (Bacia da Lagoa Mirim), Municipio de Aceguá

PUCRS_MCP_10084. Brazil: Rio Grande do Sul: Aranbaré: (Atlantic Ocean - Logoa Dos Patos - Camaquã): Arroio Velhaco: -30.90433 -51.49904

PUCRS_MCP_10086. Brazil: Rio Grande do Sul: Aranbaré: (Atlantic Ocean - Logoa Dos Patos - Camaquã): Arroio Velhaco: -30.90433 -51.49904

PUCRS_MCP_10088. Brazil: Rio Grande do Sul: Aranbaré: (Atlantic Ocean - Logoa Dos Patos - Camaquã): Arroio Velhaco: -30.90433 -51.49904

PUCRS_MCP_10091. Brazil: Rio Grande do Sul: Arroio Tigre: (Atlantic Ocean - Logoa Dos Patos - Guaíba - Jacuí - Jacuizinho)

PUCRS_MCP_8376. 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_8123. Brazil: Rio Grande do Sul: Candiota: (Atlantic Ocean - Logoa Dos Patos - Lagoa Mirim - Yaguaron): rio Candiota: antes da desembocadura do arroio Poacá: -31.55697 -53.67065

PUCRS_MCP_8632. Brazil: Rio Grande do Sul: Palmares do Sul: (Atlantic Ocean - Logoa Dos Patos - Guaiba): Lagoa do Casamento: Saco do Cocurutu, lado sul do município: -30.03661 -51.21810

PUCRS_MCP_5161. Brazil: Rio Grande do Sul: Triunfo: (Atlantic Ocean - Logoa Dos Patos - Guaíba - Jacuí)

PUCRS_MCP_5536. Brazil: Rio Grande do Sul: Triunfo: (Atlantic Ocean - Logoa Dos Patos - Guaíba - Jacuí)

PUCRS_MCP_5540. Brazil: Rio Grande do Sul: Triunfo: (Atlantic Ocean - Logoa Dos Patos - Guaíba - Jacuí)

PUCRS_MCP_8881. Brazil: Rio Grande do Sul: Triunfo: (Atlantic Ocean - Logoa Dos Patos - Guaíba - Jacuí): : Açude na propriedade do Senhor Orlando Vargas, Triunfo

Chile

ZMA_210694. Arr. Todos los Santos, Prov.de Buenos Aires, Argentina

Paraguay

USNM_85068
Paraguay

unknown

USNM_86124 “Mocha Arabia” Prob. S. America	USNM_86124 “Mocha Arabia” Prob. S. America	BMNH_54-9-4-43 [no locality available - South America]
SMF_11087 [no locality available - South America]	ZMB_9380 [no locality available - South America]	ZMB_MP_0238 [no locality available - South America]
ZMB_MP_0270 [no locality available - South America]	ZMB_MP_0443 Aegypt [locality incorrect — probably South America]	ZMB_MP_0443 Aegypt [locality incorrect — probably South America]
USNM_85332A Egypt? (S. Am?)	USNM_85332A Egypt? (S. Am?)	SMF_11089 lago Frio, nahe Lago Nahuel Huapi, Patagon [locality in error according to Bonetto]
SMF_11089 lago Frio, nahe Lago Nahuel Huapi, Patagon [locality in error according to Bonetto]	CM_MP_21 S. America	USNM_85113 S. America
USNM_85113 S. America	USNM_85163 S. America	ANSP_125598 South America
ANSP_125818 South America	MCZ_MP.184 South America	MCZ_MP.5 South America
UMMZ_110957 South America	UMMZ_110957 South America	UMMZ_110957 South America
UMMZ_110957 South America

MHNG-MOLL-50565. Unknown

Uruguay

SMF_164369 Ao Las Canas, Durazno, Uruguay	CM_64.79 Arroyo Artillero, Balneario, Santa Ana, Dto. Colonia, Uruguay	AMNH_141138 Arroyo Artilleros, Santan Ana, Colonia, Uruguay
AMNH_141138 Arroyo Artilleros, Santan Ana, Colonia, Uruguay	AMNH_143086 Arroyo Artilleros, Santan Ana, Colonia, Uruguay	AMNH_143086 Arroyo Artilleros, Santan Ana, Colonia, Uruguay
CM_MP_27 Arroyo Chipicuy, Paysandu, Uruguay	USNM_365399 Arroyo de las Vacas, Dept. Colonia, Uruguay	DMNH_78648 Arroyo del Rio Parana, Santa Fe, Uruguay
CM_MP_24 Arroyo Guaviyu, 50 km S of Salto and 25 E from the Uruguay River, Dept. of Paysandu, Uruguay	CM_64.78 Arroyo Malo, Paso las Correntinas, Dept. Paysandu, Uruguay	USNM_341374 Arroyo Manga, Dept. Montevideo, Uruguay
USNM_217115 Arroyo Miguelete, Montevideo, Uruguay	CM_64.74 Arroyo Miguelete, Puente Reginaldo Booth, Dept. Colonia, Uruguay	UMMZ_248834 Arroyo Monzon, Cardona, Departmento de Soriano, Uruguay
UMMZ_248834 Arroyo Monzon, Cardona, Departmento de Soriano, Uruguay	CM_MP_26 Arroyo Palacios, Entre Rios, Argentina	CM_MP_XX Arroyo Palacios, Entre Rios, Argentina
CM_MP_XX Arroyo Palacios, Entre Rios, Argentina	SBMHN_140862 Arroyo Porongos, Uruguay	INHS_24776 Arroyo San Francisco Grande, Uruguay
USNM_335765 Arroyo San Juan, Dept. Colonia, Uruguay	USNM_426420 Arroyo San Pedro, Dept. Colonia, Uruguay	USNM_335763 Arroyo Tacuarembo, Tacuarembo, Uruguay
USNM_381385 Arroyo Tomas, Durazno, Uruguay	USNM_381151 Artigas, Uruguay	USNM_381151 Artigas, Uruguay
USNM_382379 Canada del Queguay, Paysandu	USNM_382379 Canada del Queguay, Paysandu	USNM_368237 Canada Grande, Dept. Carro Largo, Uruguay
USNM_368237 Canada Grande, Dept. Carro Largo, Uruguay	USNM_854467 Canelon Grande, Dept. Canelones, Uruguay	USNM_346797 Colonia, Uruguay
USNM_383012 Colonia, Uruguay	FMNH_120424 Departmento de Paysandu, Uruguay	FMNH_120431 Departmento de Tacuarembo, Uruguay
USNM_380484 Dept. Florida, Uruguay	USNM_383015 Florida, Uruguay	ANSP_334568 Guaviyu Creek, 50 km S of Salto and 25 E from the Uruguay River, Dept. of Paysandu, Uruguay
ANSP_334568 Guaviyu Creek, 50 km S of Salto and 25 E from the Uruguay River, Dept. of Paysandu, Uruguay	FMNH_70742 Laguna de Arazati, San Jose, Uruguay	SBMHN_367461 Lagunas de Arazati, San Jose, Uruguay
USNM_335760 Maldonado, Uruguay	BMNH_54-9-4-44 Montevideo	BMNH_54-9-4-44 Montevideo
UF_270567 Montevideo, Uruguay	USNM_85162 Montevideo, Uruguay	USNM_85162 Montevideo, Uruguay
USNM_348266 Paso de San Borje [?], Rio Yi, Durazno, Uruguay	USNM_362850 Paysandu, Uruguay	USNM_424743 Paysandu, Uruguay
SMF_164372 Proc. Lagunas de Arazati, Departmento de San Jose, Uruguay	UMMZ_219689 Proc. Lagunas de Arazati, Departmento de San Jose, Uruguay	UMMZ_219693 Proc. Lagunas de Arazati, Departmento de San Jose, Uruguay
CM_MP_28 Queguay River, N of Paysandu, Uruguay	AMNH_146563 Rio Dayman, Paso Perico Moreno, Salto, Uruguay	DMNH_81463 Rio del Plata, Uruguay
USNM_335759 Rio Negro, Dept. Tacuarembo, Uruguay	USNM_346771 Rio Negro, Dept. Tacuarembo, Uruguay	USNM_270897 Rio Negro, Tacuarembo, Uruguay
USNM_347882 Rio Negro, Uruguay	AMNH_89888 Rio Olimar, 15 km de Treinta y Tres, Uruguay	MNHN_MP_0972 Rio Olimar, a 3 km ciudad de Treinta y Tres, Uruguay
UMMZ_248827 Rio Olimar, a 3 km ciudad de Treinta y Tres, Uruguay	UMMZ_248827 Rio Olimar, a 3 km ciudad de Treinta y Tres, Uruguay	FMNH_70747 Rio Olimar, Treinta y Tres, Uruguay
USNM_335758 Rio San Jose, Dept. San Jose, Uruguay	USNM_335764 Rio San Jose, Dept. San Jose, Uruguay	USNM_348785 Rio San Jose, near San Jose, Uruguay
ANSP_61798 Rio San Jose, Uruguay	MNHN_MP_0980 Rio San Salvador, Uruguay	USNM_468294 Rio Santa Lucia, Uruguay
USNM_380483 Rio Sta, Lucia, Dept. Canelones, Uruguay	SMF_11160 Rio Uruguay bei Salto Uruguay	USNM_322395 Rio Yi, Dept. Durazno, Uruguay
USNM_346767 Rio Yi, Dept. Durazno, Uruguay	USNM_464297 Soriano, Uruguay	USNM_202763 Uruguay
USNM_346813 Uruguay R., Nueva Palmira, Dept. Colonia, Uruguay