Bivalvia | Unionida | Hyrioidea | Hyriidae | Hyriinae | Rhipidodontini | Diplodon

species Diplodon variabilis (Maton, 1811): specimens

8 available nominal species synonyms (12 total synonyms)

Recent Taxonomic Opinions

Rhipidodonta variabilis — Graf & Cummings (2007), Bogan (2010), Mansur et al. (2020), Torres et al. (2024), Nagel (2025)
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. (South America: SA5)

Map of Georeferenced Specimens

specimens map of Diplodon variabilis

MUSSELp Specimen Records

Type Specimens

USNM_335774
Paysandu, Uruguay
type
Diplodon subquadratus Marshall, 1922

USNM_85776
Rio de la Plata, S.A.
type
Unio bulloides Lea, 1859

USNM_85189
Buenos Ayres, Argentina
type
Unio locellus Lea, 1866

BMNH_1854-9-4-50
Rio de la Plata, Buenos Aires, Argentina
lectotype
Unio matoniana d’Orbigny, 1835

BMNH_1854-9-4-51-59
Rio de la Plata, near Buenos Aires, Argentina
paralectotypes
Unio matoniana d’Orbigny, 1835

SMF_3859
Rio de la Plata, b. Buenos Aires
paralectotypes
Unio solisiana d’Orbigny, 1835

Other Specimens by Country | show by collection

40 Specimens from Argentina

SMF_162913
Argentinien; Arroyo Caubaceres [?], Buenos Aires

SMF_162914
Argentinien; Rio Lujan, ala ... Arroyo Parajito, Buenos Aires

AMS_126876
Arroyo Cambaceres, Buenos Aires, Argentina

FMNH_94151
Arroyo Cambaceres, Ensenada, affl. of Rio de la Plata, Argentina

FMNH_94148
Arroyo Dona Flora, affl. of Rio de la Plata, Prov. Buenos Aires, Argentina

USNM_87782
Buenos Ayers, Argentina

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

ZMB_9381-01
La Plata

ZMB_MP_0228
La Plata

ZMB_9387
La Plata

USNM_121404
La Platte

AMNH_100119
Laguna Guadalupe, Dto. La Capital, Prov., Santa Fe, Argentina

FMNH_216669
Lagunas Islenas del Rio Paraná, Argentina

FMNH_216467
Lagunas Islenas del Rio Paraná, Argentina

AMS_126887
Loc._ ? Argentina

SMF_11082
N. Patagonien [Nord-Patagonien]

AMS_126882
Parana River, Cafferatti Is., in front of Villa Constitution, Santa Fe, Argentina

FMNH_216477
Prob. Argentina

MCZ_111740
Puerto de Buenos Aires, Argentina

FMNH_17219
Puerto Nuevo, Buenos Aires

ZMB_MP_0188
R de La Plata

ZMB_MP_0235
Rio Buenos Ayres

SMF_11427
Rio de La Plata

UF_270578
Rio de la Plata, Argentina

FMNH_216481
Rio de la Plata, Buenos Aires, Argentina

UMMZ_111837
Rio de la Plata, Buenos Aires, Argentina

FMNH_94149
Rio de la Plata, Puerto Nuevo, Argentina

FMNH_94153
Rio de la Plata, Puerto Nuevo, Argentina

BMNH_1907-10-28-199
Rio de la Plata, South America

UMMZ_111835
Rio de la Plata, South America

AMS_126886
Rio Lujan, a la altura del Arroyo Pajarito, Buenos Aires, Argentina

SMF_11428
Rio Paraná, Argentinien

USNM_854464
Rio Parana, Prov. de Santa Fe, Argentina

ANSP_125605
Rio Plata, Buenos Aires

FMNH_94150
Rio Santiago, afflu. of Rio de la la Plata, Argentina

SBMHN_367453
Rio Santiago, Argentina

AMS_126873
Rio Santiago, Buenos Aires, Argentina

FMNH_21824
Rio Santiago, La Plata, Argentina

ANSP_178663
shore of Rio de la Plata, Berissa, Buenos Aires

FMNH_94152. Rio Santiago, afflu. of Rio de la la Plata, Prov. Buenos Aires, Argentina

8 Specimens from Brazil

MCZ_MP.11
Bahia

ZMB_MP_0197
Brasilien

MCZ_MP.7
Brazil

ANSP_125604
Brazil

UMMZ_111834
Brazil

BMNH_69-6-2-17
Brazil

MCZ_MP.10
Brazil

AMNH_31301
Brazil

2 Specimens from Paraguay

BMNH_MP_010
Paraguay

BMNH_MP_168
Paraguay

4 Specimens from unknown

ZMB_MP_0285
[no locality available - South America]

ANSP_60636
Rio Paraná

MCZ_MP.73
South America

CM_61.1531
South America

25 Specimens from Uruguay

SMF_11429
Arroyo de las Vacas, Dept. Colonia, Uruguay

CM_64.84
Bahia de Colonia, Dto. Colonia, Uruguay

AMNH_99500
Belen, Western Uruguay

USNM_426426
Colonia B., R. de la Plata, Uruguay

USNM_365405
Colonia B., Rio de la Plata, Uruguay

USNM_380726
Colonia B., Uruguay

USNM_426423
Colonia Bay, R. de la Plata, Uruguay

USNM_346800
Colonia, Uruguay

ANSP_72628
Fray Bentos, Uru.

UMMZ_111836
Fray Bentos, Uruguay

ANSP_69712
La Plata R., Colonia, Uruguay

INHS_40673
Nueva Palmira, Colonia, Uruguay

USNM_349173
Paysandu, Uruguay

SMF_11430
Paysandu, Uruguay

FMNH_70748
Rio de la Plata, Colonia, Uruguay

CM_MP_10
Rio de la Plata, Punta Artilleros, Colonia, Uruguay

USNM_270896
Rio Negro, Tacuarembo, Uruguay

USNM_381576
Rio Plata, Colonia, Uruguay

CM_61.91
Rio Uruguay, Paysandu, Uruguay

UMMZ_111838
Rio Uruguay, Paysandu, Uruguay

UMMZ_111803
Uruguay

MNHN_MP_0782
Uruguay

ANSP_70250
Uruguay R., at Fray Bentos

USNM_369000
Uruguay River, Nueva Palmira, Uruguay (Colonia)

ANSP_70257
Uruguay River, Paysandu, Uru.

1 Specimens from Uruguay, Argentina, or Brazil

USNM_25256
Uruguay River

GenBank Vouchers

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