| Page last updatedWed 1 October 2025
 | The Freshwater Mussels (Unionoida) of the World (and other less consequential bivalves)FM(U)otW(aolcb) is the web version of the MUSSEL Project Database. Follow the links to browse the data or use the custom Google search field. Either way, you win! 
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 Bivalvia | Unionoida | Unionoidea | Unionidae | Gonideinae | Contradentini | Lens species Lens pallegoixi (Sowerby, 1867): specimens1 available nominal species synonym
 Recent Taxonomic OpinionsTrapezoideus exolescens — He & Zhuang (2013)Contradens pallegoixi — Konopleva et al. (2019), Konopleva et al. (2019), Bolotov et al. (2020), Zieritz et al. (2020), Graf & Cummings (2021)
 Lens pallegoixi — Pfeiffer et al. (2021), Bolotov et al. (2022), Konopleva et al. (2023), Zieritz et al. (2024)
 RangeMun River, Thailand. Map of Georeferenced Specimens
 
 Thailand|  NCSM_26919
 Asia, Mekong Basin, Thailand, Nakhon Ratchasima, Nakhon Rachasima, Mun River
 |  SMF_319368
 Klong Sam mo at Gaeng Kro, Ban Sam Mo, Chiayapum Province
 |  ANSP_331316
 Mae Nam Mun, Amphoe tha Tum, Surin Prov. Thailand
 |  |  ANSP_331316
 Mae Nam Mun, Amphoe tha Tum, Surin Prov. Thailand
 |  SMRL_2578
 Maenam Lam Chi at Ban Ta Sabaeng; Prov Roi Ett
 |  SMF_188743
 Maenam Lam Chi near Ban Ta Sabaeng, Prov. Roi Ett
 |  |  FMNH_162651
 Maenam Lam Chi near Ban Ta Sabaeng; Prov. Roi Ett; Thailand
 |  USNM_786202
 Maenam Lam Chi near Ban Ta Sabaeng; Prov. Roi Ett; Thailand
 |  USNM_419886
 Menam Chi, near Sarakon, E. Siam
 |  |  USNM_405752
 Menam Mun, E. Siam
 |  USNM_405725
 Menam Mun, Ubon, E. Siam
 |  SMF_188742
 Moon River, Ubon
 |  |  SMF_188741
 Mun River at BAn Ta Tum Prov. Surin
 |  UF_507597
 Mun River at confluence with Chi River. TH15-01. 15.18188, 104.71430
 |  MNHN_MP_3336
 Mun River at Rasi Salai, Sri Saket Prov. Thailand
 |  |  SMRL_2579
 Mun River at Rasi Salai, Sri Saket, Thailand
 |  UF_507620
 Pao River, trib. of Chi River at Rt. 214 bridge; Mun River drainage. TH15-06. 16.34022, 103.57584
 |  SMF_319407
 River Pong N Kon Kaen
 |  |  BMNH_1965193
 Siam
 |  MNHN_MP_3365
 Siam
 |  SMF_188746
 Thailand: Lam Chi Mahachanachai
 |  |  SMF_188746
 Thailand: Lam Chi Mahachanachai
 |  SMF_319408
 Thailand: Lam Chi, Roi Ett, Ban Ta Sabaeng
 |  SMF_319409
 Thailand: Mun River at Rasi Salai; Sri Saket
 |  |  SMF_319456
 Thailand: Mun River Ban Ta Tum
 |  USNM_786201
 Thailand: Mun River, Ban Tha Tum, Surin Province
 |  SMF_188744
 Thailand: Mun River, Rasi Salai
 |  |  SMF_188745
 Thailand: Mun River, Rasi Salai, Sri Saket
 |  SMF_319381
 Thailand: Phung river bei Pha Nog Kao, Sirithon village, Phugradung, Loei
 |  ANSP_332411
 Thailand: Ubon Prov., Ban Dan, Mekong River
 |  |  ANSP_333320
 Thailand: Ubon Prov., Ban Dan, Mekong River
 |  ANSP_333320
 Thailand: Ubon Prov., Ban Dan, Mekong River
 | 
 Georeferenced Genbank Vouchers
 ThailandUF_507597 (2014-0559). (COI: MT905507, go to Genbank) Thailand, Mun River at confluence with Chi River (15.18188, 104.7143). UF_507620. (28S: MH346008, COI: MH345988, go to Genbank) Thailand, Pao River, trib. of Chi River at Rt. 214 bridge; Mun River drainage (16.34022, 103.57584). UF_507620 (2014-0615_AHE). (COI: MT905535, go to Genbank) ditto. UF_507620 (2014-0615). (COI: MT905534, SRA: SRX8934370, go to Genbank) ditto. |