	Home \| About \| Database \| Mussel of the Month \| Publications & Presentations

MUSSELpdb

Taxonomy

Species & Genus Richness by
Taxonomy

Geography

Species Richness & Endemism by
Geography

Data last updated
Mon 1 Dec 2025

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

specimens map of Diplodon delodontus

MUSSELp Specimen Records

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