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Data last updated
Mon 1 Dec 2025
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Bivalvia
| Unionoida
| Hyrioidea
| Hyriidae
| Hyriinae
| Rhipidodontini
| Diplodon
species Diplodon variabilis (Maton, 1811): specimens8 available nominal species synonyms (11 total synonyms)
Recent Taxonomic Opinions
Rhipidodonta variabilis — Graf & Cummings (2007), Bogan (2010), Mansur et al. (2020), Torres et al. (2024) Diplodon (Rhipidiodonta) [sic] variabilis — Rumi et al. (2008) Diplodon (Rhipidodonta) variabilis — Pereira et al. (2014), Torres et al. (2018) Diplodon variabilis — Graf & Cummings (2021)
Range
Widespread in the Paraná Basin, South America.
Map of Georeferenced Specimens
MUSSELp Specimen Records
Argentina
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 SMF_162913 Argentinien; Arroyo Caubaceres [?], Buenos Aires
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 SMF_162914 Argentinien; Rio Lujan, ala ... Arroyo Parajito, Buenos Aires
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 SMF_162914 Argentinien; Rio Lujan, ala ... Arroyo Parajito, Buenos Aires
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 AMS_126876 Arroyo Cambaceres, Buenos Aires, Argentina
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 FMNH_94151 Arroyo Cambaceres, Ensenada, affl. of Rio de la Plata, Argentina
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 FMNH_94148 Arroyo Dona Flora, affl. of Rio de la Plata, Prov. Buenos Aires, Argentina
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 USNM_87782 Buenos Ayers, Argentina
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 USNM_85189 Buenos Ayres, Argentina
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 USNM_85189 Buenos Ayres, Argentina
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 UMMZ_186204 Coast of the Rio de la Plata, front to Belgrano (Buenos Aires city) in the intersection of Pampa street with “Costanera” avenue, Buenos Aires, Argentina
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 UMMZ_186204 Coast of the Rio de la Plata, front to Belgrano (Buenos Aires city) in the intersection of Pampa street with “Costanera” avenue, Buenos Aires, Argentina
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 UMMZ_186204 Coast of the Rio de la Plata, front to Belgrano (Buenos Aires city) in the intersection of Pampa street with “Costanera” avenue, Buenos Aires, Argentina
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 ZMB_9381-01 La Plata
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 ZMB_9387 La Plata
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 ZMB_MP_0228 La Plata
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 USNM_121404 La Platte
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 AMNH_100119 Laguna Guadalupe, Dto. La Capital, Prov., Santa Fe, Argentina
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 FMNH_216467 Lagunas Islenas del Rio Paraná, Argentina
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 FMNH_216669 Lagunas Islenas del Rio Paraná, Argentina
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 AMS_126887 Loc._ ? Argentina
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 SMF_11082 N. Patagonien [Nord-Patagonien]
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 AMS_126882 Parana River, Cafferatti Is., in front of Villa Constitution, Santa Fe, Argentina
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 FMNH_216477 Prob. Argentina
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 MCZ_111740 Puerto de Buenos Aires, Argentina
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 FMNH_17219 Puerto Nuevo, Buenos Aires
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 ZMB_MP_0188 R de La Plata
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 ZMB_MP_0235 Rio Buenos Ayres
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 SMF_11427 Rio de La Plata
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 UF_270578 Rio de la Plata, Argentina
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 BMNH_1854-9-4-50 Rio de la Plata, Buenos Aires, Argentina
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 BMNH_1854-9-4-50 Rio de la Plata, Buenos Aires, Argentina
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 FMNH_216481 Rio de la Plata, Buenos Aires, Argentina
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 UMMZ_111837 Rio de la Plata, Buenos Aires, Argentina
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 UMMZ_111837 Rio de la Plata, Buenos Aires, Argentina
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 UMMZ_111837 Rio de la Plata, Buenos Aires, Argentina
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 BMNH_1854-9-4-51-59 Rio de la Plata, near Buenos Aires, Argentina
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 FMNH_94149 Rio de la Plata, Puerto Nuevo, Argentina
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 FMNH_94153 Rio de la Plata, Puerto Nuevo, Argentina
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 USNM_85776 Rio de la Plata, S.A.
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 USNM_85776 Rio de la Plata, S.A.
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 BMNH_1907-10-28-199 Rio de la Plata, South America
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 UMMZ_111835 Rio de la Plata, South America
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 UMMZ_111835 Rio de la Plata, South America
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 AMS_126886 Rio Lujan, a la altura del Arroyo Pajarito, Buenos Aires, Argentina
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 SMF_11428 Rio Paraná, Argentinien
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 USNM_854464 Rio Parana, Prov. de Santa Fe, Argentina
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 ANSP_125605 Rio Plata, Buenos Aires
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 FMNH_94150 Rio Santiago, afflu. of Rio de la la Plata, Argentina
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 SBMHN_367453 Rio Santiago, Argentina
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 AMS_126873 Rio Santiago, Buenos Aires, Argentina
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 FMNH_21824 Rio Santiago, La Plata, Argentina
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 ANSP_178663 shore of Rio de la Plata, Berissa, Buenos Aires
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FMNH_94152. Rio Santiago, afflu. of Rio de la la Plata, Prov. Buenos Aires, Argentina
Brazil
Paraguay
unknown
Uruguay
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 SMF_11429 Arroyo de las Vacas, Dept. Colonia, Uruguay
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 CM_64.84 Bahia de Colonia, Dto. Colonia, Uruguay
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 AMNH_99500 Belen, Western Uruguay
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 USNM_426426 Colonia B., R. de la Plata, Uruguay
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 USNM_365405 Colonia B., Rio de la Plata, Uruguay
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 USNM_365405 Colonia B., Rio de la Plata, Uruguay
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 USNM_380726 Colonia B., Uruguay
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 USNM_426423 Colonia Bay, R. de la Plata, Uruguay
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 USNM_346800 Colonia, Uruguay
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 ANSP_72628 Fray Bentos, Uru.
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 UMMZ_111836 Fray Bentos, Uruguay
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 UMMZ_111836 Fray Bentos, Uruguay
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 ANSP_69712 La Plata R., Colonia, Uruguay
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 INHS_40673 Nueva Palmira, Colonia, Uruguay
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 INHS_40673 Nueva Palmira, Colonia, Uruguay
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 SMF_11430 Paysandu, Uruguay
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 USNM_335774 Paysandu, Uruguay
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 USNM_335774 Paysandu, Uruguay
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 USNM_349173 Paysandu, Uruguay
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 FMNH_70748 Rio de la Plata, Colonia, Uruguay
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 CM_MP_10 Rio de la Plata, Punta Artilleros, Colonia, Uruguay
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 USNM_270896 Rio Negro, Tacuarembo, Uruguay
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 USNM_381576 Rio Plata, Colonia, Uruguay
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 CM_61.91 Rio Uruguay, Paysandu, Uruguay
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 UMMZ_111838 Rio Uruguay, Paysandu, Uruguay
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 UMMZ_111838 Rio Uruguay, Paysandu, Uruguay
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 MNHN_MP_0782 Uruguay
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 UMMZ_111803 Uruguay
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 UMMZ_111803 Uruguay
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 ANSP_70250 Uruguay R., at Fray Bentos
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 USNM_369000 Uruguay River, Nueva Palmira, Uruguay (Colonia)
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 USNM_369000 Uruguay River, Nueva Palmira, Uruguay (Colonia)
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 ANSP_70257 Uruguay River, Paysandu, Uru.
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 ANSP_70257 Uruguay River, Paysandu, Uru.
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Uruguay, Argentina, or Brazil
Genbank Vouchers
There are no georeferenced Genbank vouchers for this species in the MUSSELpdb.
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