Bivalvia | ... | Unionoidea | Unionidae | Gonideinae | Limnoscaphini | Contradentina | Lens

species Lens micropterus (Morelet, 1866): specimens

10 available nominal species synonyms (15 total synonyms)

Recent Taxonomic Opinions

Contradens inaequalis — Graf & Cummings (2007), Zieritz et al. (2018), Konopleva et al. (2019), Graf & Cummings (2021)
Physunio micropterus — Graf & Cummings (2007), Bogan (2010), IUCN (2012), Zieritz et al. (2018), Do et al. (2018), Konopleva et al. (2019), Ng et al. (2020), Graf & Cummings (2021)
Physunio semialatus — Graf & Cummings (2007), Bogan (2010)
Uniandra inaequalis — Bogan (2010)
Trapezoideus exolescens — He & Zhuang (2013)
Uniandra contradens — Bogan & Do (2014)
“Contradens contradens” ** — Pfeiffer & Graf (2015), Konopleva et al. (2017)
“Contradens aff. contradens sp. 1” ** — Bolotov et al. (2017), Bolotov et al. (2017), Bolotov et al. (2018), Konopleva et al. (2019), Konopleva et al. (2019), Huang et al. (2019), Bolotov et al. (2020)
Contradens contradens — Do et al. (2018), Jeratthitikul et al. (2019), Ng et al. (2020)
Contradens comptus — Konopleva et al. (2019)
“Contradens crossei” ** — Jeratthitikul et al. (2019), Konopleva et al. (2019), Bolotov et al. (2020), Graf & Cummings (2021)
Lens micropterus — Pfeiffer et al. (2021), Bolotov et al. (2022), Zieritz et al. (2024), Campbell & Lydeard (2026), Zieritz et al. (2026)
“Lens aff. contradens” ** — Konopleva et al. (2023)

Range

Lower Mekong, Thailand, Laos, Cambodia, and Vietnam. (East Asia: AS5)

Map of Georeferenced Specimens

specimens map of Lens micropterus

MUSSELp Specimen Records

Type Specimens

image of lot MNHN_IM-2000-35806
MNHN_IM-2000-35806
Cambodge
syntypes
Diplodon ludovicianum Rochebrune, 1882

image of lot BMNH_1965148
BMNH_1965148
Camboja
lectotype
Unio cambojensis Sowerby, 1866

image of lot MNHN_IM-2000-1668
MNHN_IM-2000-1668
Cambodge
syntypes
Unio crossei Deshayes in Deshayes & Jullien, 1874

image of lot MNHN_IM-2000-1697
MNHN_IM-2000-1697
Cambodge
syntype
Unio fischerianus Morlet, 1883

image of lot BMNH_93-2-4-1596
BMNH_93-2-4-1596
Cambodia
holotype
Unio micropterus Morelet, 1866

image of lot MNHN_IM-2000-1780
MNHN_IM-2000-1780
Peam Chelang, Cambodge
syntype
Unio semialatus Deshayes in Deshayes & Jullien, 1874

image of lot MNHN_IM-2000-33677
MNHN_IM-2000-33677
[no locality available - Asia] [Hab. Rivière de Sutrang (Siam)]
probable holotype
Unio siamensis Morlet, 1889

BMNH_93-2-4-1597. Cambodia — holotype Unio micropterus Morelet, 1866

Other Specimens by Collection | show by country

8 Specimens from ANSP

image of lot ANSP_41751
ANSP_41751
Cambodia

image of lot ANSP_162044
ANSP_162044
Grand Lac, Cambodia

image of lot ANSP_H19007
ANSP_H19007
Laos: Mekong at Pakse

image of lot ANSP_H19019
ANSP_H19019
Laos: Mekong at Pakse

image of lot ANSP_H18993
ANSP_H18993
Laos: Sa Bang Fai River, N of Suvanaket [Savannakhet] opp Tat Panom

image of lot ANSP_H19005
ANSP_H19005
Stung “Sutrang”, Aranya Pratet, Thailand

image of lot ANSP_H18994
ANSP_H18994
Stung Bang Hot, Aranyapratet, Thailand

image of lot ANSP_H19004
ANSP_H19004
Stung Bang Hot, Aranyapratet, Thailand

4 Specimens from BMNH

image of lot BMNH_93-3-16-3-5
BMNH_93-3-16-3-5
Cambodia

image of lot BMNH_MP_0706
BMNH_MP_0706
Lake Tonle Sap, Cambodia

image of lot BMNH_MP_0723
BMNH_MP_0723
Stung Bang Hot, Aranyapratet, Thailand

image of lot BMNH_MP_0606
BMNH_MP_0606
Stung Sutrang, Aranyapratet, Thailand

3 Specimens from FMNH

image of lot FMNH_21783
FMNH_21783
Cambodia

image of lot FMNH_21784
FMNH_21784
Grand Lac, Cambodia

image of lot FMNH_33024
FMNH_33024
Me Ping River at Wang Pratart Farm, Kam Peng Pet Prov., NW Siam

4 Specimens from INHS

image of lot INHS_21573
INHS_21573
Cambodia

image of lot INHS_32569
INHS_32569
Mekong River, N of Phnom Penh at head of island, Phnom Penh, Cambodia

image of lot INHS_32571
INHS_32571
Sangker River (=Sonkai River), Batdambang, Battambang, Cambodia

image of lot INHS_32572
INHS_32572
Sangker River (=Sonkai River), Batdambang, Battambang, Cambodia

1 Specimens from MCZ

image of lot MCZ_256640
MCZ_256640
Stung Sutrang, Aranyapratet, Thailand

42 Specimens from MNHN

image of lot MNHN_MP_3550
MNHN_MP_3550
Cambodj

image of lot MNHN_MP_3864
MNHN_MP_3864
Cochinchine

image of lot MNHN_MP_3359
MNHN_MP_3359
Cochinchine

image of lot MNHN_MP_3852
MNHN_MP_3852
Lo Yen Phoe [?] Cambodge

image of lot MNHN_MP_3849
MNHN_MP_3849
Samron Seng, Cambodge

image of lot MNHN_MP_3771
MNHN_MP_3771
Cambodge

image of lot MNHN_MP_3773
MNHN_MP_3773
Cambodge

image of lot MNHN_MP_3775
MNHN_MP_3775
Cambodge

image of lot MNHN_MP_3781
MNHN_MP_3781
Cambodge

image of lot MNHN_MP_3820
MNHN_MP_3820
Cambodge

image of lot MNHN_MP_3871
MNHN_MP_3871
Cambodge

image of lot MNHN_MP_3090
MNHN_MP_3090
Cambodge

image of lot MNHN_MP_3091
MNHN_MP_3091
Cambodge

image of lot MNHN_MP_3330
MNHN_MP_3330
Cambodge

image of lot MNHN_MP_3095
MNHN_MP_3095
Cambodge

image of lot MNHN_MP_3994
MNHN_MP_3994
Cambodge

image of lot MNHN_MP_3872
MNHN_MP_3872
Gr. Lacs, Cambodge

image of lot MNHN_MP_3084
MNHN_MP_3084
Grand Lac (....) Cambodge

image of lot MNHN_MP_3591
MNHN_MP_3591
Grand Lac (Surtam [?]) Cambodge

image of lot MNHN_MP_3870
MNHN_MP_3870
Grand Lac du Mekong, Cochinchina

image of lot MNHN_MP_3697
MNHN_MP_3697
Grand Lac, Cambodia

image of lot MNHN_MP_3847
MNHN_MP_3847
Grand Lac, Cambodia

image of lot MNHN_MP_3088
MNHN_MP_3088
Lac Taule-Sap, Cambodge

image of lot MNHN_MP_3360
MNHN_MP_3360
Lac Taule-Sap, Cambodge

image of lot MNHN_MP_3633
MNHN_MP_3633
le lac des effluent etang .. Cambodge

image of lot MNHN_MP_3823
MNHN_MP_3823
les lac des affluent et la etang Cambodge

image of lot MNHN_MP_3094
MNHN_MP_3094
Sombor

image of lot MNHN_MP_D
MNHN_MP_D
Laos Occidental

image of lot MNHN_MP_3785
MNHN_MP_3785
Riviere de Sutrang, Siam

image of lot MNHN_MP_3089
MNHN_MP_3089
Riviere de Sutrang, Siam

image of lot MNHN_MP_3079
MNHN_MP_3079
Stung Bang Hot, Aranyapratet, Thailand

image of lot MNHN_MP_3784
MNHN_MP_3784
Stung Sutrang, Aranyapratet, Thailand

image of lot MNHN_MP_3769
MNHN_MP_3769
Sutrang et ... Siam

image of lot MNHN_MP_3865
MNHN_MP_3865
[no locality available - Asia]

image of lot MNHN_MP_3086
MNHN_MP_3086
[no locality available - Asia]

image of lot MNHN_MP_3873
MNHN_MP_3873
[no locality available - Asia]

image of lot MNHN_MP_3875
MNHN_MP_3875
[no locality available - Asia]

image of lot MNHN_MP_3099
MNHN_MP_3099
[no locality available - Asia]

image of lot MNHN_MP_4081
MNHN_MP_4081
Bac Kan, Tonkin

image of lot MNHN_MP_3239
MNHN_MP_3239
Tonkin

image of lot MNHN_MP_3855
MNHN_MP_3855
Tonkin

image of lot MNHN_MP_3861
MNHN_MP_3861
Tonkin

21 Specimens from SMF

image of lot SMF_13841
SMF_13841
??

image of lot SMF_14746
SMF_14746
Cochinchina

image of lot SMF_14743
SMF_14743
Grand Lac, Kambodja

image of lot SMF_13846
SMF_13846
Kambodja

image of lot SMF_13847
SMF_13847
Kambodja

image of lot SMF_14747
SMF_14747
Kambodja

image of lot SMF_14748
SMF_14748
Kambodja

image of lot SMF_14742
SMF_14742
See Tonle Sap, Kambodja

image of lot SMF_13853
SMF_13853
See Tonle-Sap Kambodja

image of lot SMF_319371
SMF_319371
Laos: Mekong at Pakse

image of lot SMF_319370
SMF_319370
Huai Wat Luang, Aranyaprathet

image of lot SMF_319233
SMF_319233
Huia Wat Luang Aranyaprathet

image of lot SMF_220849
SMF_220849
Klong Pra Satung at Srakeo

image of lot SMF_188858
SMF_188858
Klong Satung Srakeo

image of lot SMF_188864
SMF_188864
Stung sutrang Aranyapratet

image of lot SMF_319227
SMF_319227
Stung Sutrang. Aranyaprathet

image of lot SMF_220842
SMF_220842
Thailand: Huai Wat Luang near Aranyapratet

image of lot SMF_319228
SMF_319228
Thailand: Klong Satung, Srakeo

image of lot SMF_319229
SMF_319229
Thailand: Mae Nam Ing River at Toeng, Chainag Rai Prov.

image of lot SMF_283244
SMF_283244
Thailand: Stung Sutrang Aranyapratet

image of lot SMF_13844
SMF_13844
Than-Moi, Tonkin

1 Specimens from UA

image of lot UA_21040
UA_21040
Pursat River, just downstream (north) of Highway 5 bridge, Pursat City, Cambodia 12.53308 103.91947

14 Specimens from UF

image of lot UF_4233
UF_4233
Cambodia, Grand Lac

image of lot UF_93217
UF_93217
Cambodia, Grand Lac

image of lot UF_954
UF_954
French Indo China, Grand Lac, Cambodia

image of lot UF_507416
UF_507416
Mekong River, 1.4 miles upstream from Sambour. CA16-08. 12.79459, 105.97255

image of lot UF_507421
UF_507421
Mekong River, 700 ft downstream of Sandan. CA16-09. 12.68691, 106.01697

image of lot UF_507432
UF_507432
Mekong River, upstream of fishing village near the confluence of Tonle Sap River. CA16-10. 11.57207, 104.94050

image of lot UF_507395
UF_507395
Tonle Kong River just upstream of island, 8.3 miles NE of AH11 bridge near Stung Treng. CA16-04. 13.60938 ,106.09245

image of lot UF_507436
UF_507436
Tonle Sap River near Phumi Trâpeang Préal. CA16-11. 12.05849, 104.77307

image of lot UF_507451
UF_507451
Tonle Sap, 4.3 mile boat ride from fishing village (3.5 miles from Khum Ponley). CA16-13. 12.56070, 104.43972

image of lot UF_507388
UF_507388
Tonle Sekong River, 1.6 miles upstream from AH11 Bridge. CA16-03. 13.54504, 106.01353

image of lot UF_507443
UF_507443
Tributary of Tonle Sap River, HWY 5 bridge south of Rolea B'ier District. CA16-12. 12.18893, 104.66102

image of lot UF_507411
UF_507411
Unknown tributary of Mekong just N of Phumi Prêk Krieng on AH11. CA16-07. 13.04014, 106.18086

image of lot UF_507406
UF_507406
Unknown tributary of Mekong just N of Phumi Prêk Preah on AH11. CA16-06. 13.15123, 106.14521

image of lot UF_507536
UF_507536
Bua Nuea River near bridge just south of Rt. 2017 in Nong Waeng. JMP17-52. 13.79156, 102.36001

11 Specimens from UMMZ

image of lot UMMZ_110118
UMMZ_110118
Cochin China

image of lot UMMZ_110002
UMMZ_110002
Cambodia, French Indo China

image of lot UMMZ_110117
UMMZ_110117
Cambodia, French Indo China

image of lot UMMZ_109606
UMMZ_109606
Cambodia, French Indo China

image of lot UMMZ_110005
UMMZ_110005
Great Lake, Cambodia, French Indo China

image of lot UMMZ_110007
UMMZ_110007
Great Lake, French Indo China

image of lot UMMZ_304652
UMMZ_304652
Pursat River, just downstream (north) of Highway 5 bridge, Pursat City, Cambodia

image of lot UMMZ_109740
UMMZ_109740
Than Moi, Tonkin, French Indo China

image of lot UMMZ_110079
UMMZ_110079
Than Moi, Tonkin, French Indo China

image of lot UMMZ_110088
UMMZ_110088
Than Moi, Tonkin, French Indo China

image of lot UMMZ_110087
UMMZ_110087
Tonkin, French Indo China

4 Specimens from USNM

image of lot USNM_127010
USNM_127010
Cambodia

image of lot USNM_365430
USNM_365430
Sen River, Cambodia

image of lot USNM_786281
USNM_786281
Thailand: Mekong River between Takek and Nakon Panom

image of lot USNM_786321
USNM_786321
Stung Sutrang, Aranyapratet, Thailand

2 Specimens from other collections

image of lot TMMUBI_49
TMMUBI_49
Mekong at Pakse, Laos

image of lot SMRL_2348
SMRL_2348
klong Wat Luang, Aranyapatet, Thailand

GenBank Vouchers

Georeferenced GenBank Vouchers

Cambodia

UF_507416 (ICH-00545). (COI: MT905674, go to GenBank) Cambodia, Mekong River, 1.4 miles upstream from Sambour (12.794587, 105.972551).

UF_507416 (ICH-00548). (COI: MT905676, go to GenBank) ditto.

UF_507416 (ICH-00549). (COI: MT905677, go to GenBank) ditto.

UF_507395 (ICH-00461). (COI: MT905636, go to GenBank) Cambodia, Tonle Kong River just upstream of island, 8.3 miles NE of AH11 bridge near Stung Treng (13.609383, 106.092445).

UF_507395 (ICH-00462). (COI: MT905637, go to GenBank) ditto.

UF_507395 (ICH-00463_AHE). (COI: MT905639, go to GenBank) ditto.

UF_507395 (ICH-00463). (COI: MT905638, SRA: SRX8934368, go to GenBank) ditto.

UF_507395 (ICH-00464). (COI: MT905640, go to GenBank) ditto.

UF_507388 (ICH-00431). (COI: MT905620, go to GenBank) Cambodia, Tonle Sekong River, 1.6 miles upstream from AH11 Bridge (13.545038, 106.013527).

UF_507388 (ICH-00432). (COI: MT905621, go to GenBank) ditto.

UF_507388 (ICH-00433). (COI: MT905622, go to GenBank) ditto.

UF_507388 (ICH-00434). (COI: MT905623, go to GenBank) ditto.

UF_507388 (ICH-00435). (COI: MT905624, go to GenBank) ditto.

UF_507388 (ICH-00437). (COI: MT905625, go to GenBank) ditto.

UF_507411 (ICH-00534). (COI: MT905669, go to GenBank) Cambodia, Unknown tributary of Mekong just N of Phumi Prêk Krieng on AH11 (13.040143, 106.180864).

UF_507411 (ICH-00535). (COI: MT905670, go to GenBank) ditto.

UF_507411 (ICH-00542). (COI: MT905672, go to GenBank) ditto.

UF_507406 (ICH-00516). (COI: MT905662, go to GenBank) Cambodia, Unknown tributary of Mekong just N of Phumi Prêk Preah on AH11 (13.151229, 106.145211).

UF_507406 (ICH-00517). (COI: MT905663, go to GenBank) ditto.

UF_507406 (ICH-00518). (COI: MT905664, go to GenBank) ditto.

UF_507406 (ICH-00519). (COI: MT905665, go to GenBank) ditto.

UF_507406 (ICH-00520). (COI: MT905666, go to GenBank) ditto.

UF_507406 (ICH-00521). (COI: MT905667, go to GenBank) ditto.

UF_507406 (ICH-00522). (COI: MT905668, go to GenBank) ditto.

UMMZ_304652. (16S: KP795054, 28S: KP795016, COI: KP795034, go to GenBank) Pursat River, just downstream (north) of Highway 5 bridge, Pursat City, Cambodia.

UF_507421 (ICH-00559). (COI: MT905682, go to GenBank) Thailand, Mekong River, 700 ft downstream of Sandan (12.68691, 106.016966).

UF_507432 (ICH-00584). (COI: MT905694, go to GenBank) Thailand, Mekong River, upstream of fishing village near the confluence of Tonle Sap River (11.572071, 104.940501).

UF_507432 (ICH-00585). (COI: MT905695, go to GenBank) ditto.

UF_507432 (ICH-00586). (COI: MT905696, go to GenBank) ditto.

UF_507432 (ICH-00587). (COI: MT905697, go to GenBank) ditto.

UF_507432 (ICH-00588). (COI: MT905698, go to GenBank) ditto.

UF_507432 (ICH-00589). (COI: MT905699, go to GenBank) ditto.

UF_507432 (ICH-00590). (COI: MT905700, go to GenBank) ditto.

UF_507432 (ICH-00591). (COI: MT905701, go to GenBank) ditto.

UF_507436 (ICH-00598). (COI: MT905706, go to GenBank) Thailand, Tonle Sap River near Phumi Trâpeang Préal (12.058489, 104.773074).

UF_507436 (ICH-00599). (COI: MT905707, go to GenBank) ditto.

UF_507436 (ICH-00600). (COI: MT905708, go to GenBank) ditto.

UF_507436 (ICH-00601). (COI: MT905709, go to GenBank) ditto.

UF_507436 (ICH-00602). (COI: MT905710, go to GenBank) ditto.

UF_507451 (ICH-00631). (COI: MT905717, go to GenBank) Thailand, Tonle Sap, 4.3 mile boat ride from fishing village (3.5 miles from Khum Ponley) (12.5607, 104.43972).

UF_507451 (ICH-00632). (COI: MT905718, go to GenBank) ditto.

UF_507451 (ICH-00633). (COI: MT905719, go to GenBank) ditto.

UF_507451 (ICH-00634). (COI: MT905720, go to GenBank) ditto.

UF_507451 (ICH-00635). (COI: MT905721, go to GenBank) ditto.

UF_507451 (ICH-00636). (COI: MT905722, go to GenBank) ditto.

UF_507443 (ICH-00616). (COI: MT905713, go to GenBank) Thailand, Tributary of Tonle Sap River, HWY 5 bridge south of Rolea B'ier District (12.188929, 104.661024).

UF_507443 (ICH-00617). (COI: MT905714, go to GenBank) ditto.

Thailand

UF_507536 (ICH-02224). (COI: MT905916, go to GenBank) Thailand, Bua Nuea River near bridge just south of Rt. 2017 in Nong Waeng (13.791555, 102.360005).

UF_507536 (ICH-02225). (COI: MT905917, go to GenBank) ditto.