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 | 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 maenamensis Pfeiffer, Graf, Cummings & Page, 2021: specimens1 available nominal species synonym (2 total synonyms)
 Recent Taxonomic OpinionsLens maenamensis — Pfeiffer et al. (2021), Jeratthitikul et al. (2021), Bolotov et al. (2022), Konopleva et al. (2023), Zieritz et al. (2024) RangeMekong Basin, Thailand, Cambodia, and Laos. Map of Georeferenced Specimens
 
 Cambodia|  MNHN_MP_3780
 Cambodge
 |  MNHN_MP_3858
 Cambodge
 |  FMNH_21761
 Cambodia
 |  |  USNM_84061
 Cambodia
 |  USNM_84061
 Cambodia
 |  ANSP_125658
 Cambodia, Asia
 |  |  UMMZ_110006
 Cambodia, French Indo China
 |  UF_507397
 Tonle Kong River  just upstream of island, 8.3 miles NE of AH11 bridge near Stung Treng. CA16-04. 13.60938 ,106.09245
 |  UF_507392
 Tonle Sekong River, 1.6 miles upstream from AH11 Bridge. CA16-03. 13.54504, 106.01353
 |  |  UF_507382
 Tonle Srepok River, major bridge crossing on road from Stung Treng to Ban Lung. Srae Angkrorng, Ratanakiri, Cambodia. CA16-01. 13.44339, 106.60329
 | 
 
 Laos|  NCSM_84904
 Asia, Mekong Basin/Bang Fai R. Laos, Khammouan, Mahaxay Co. Nam Oula, near Ban Phonexay, [2.93 air miles NNW center Ban Sang Phoc]. 17.36628° N, 105.3511° E
 |  NCSM_84904
 Asia, Mekong Basin/Bang Fai R. Laos, Khammouan, Mahaxay Co. Nam Oula, near Ban Phonexay, [2.93 air miles NNW center Ban Sang Phoc]. 17.36628° N, 105.3511° E
 |  MNHN_MP_3092
 Laos
 |  |  MNHN_MP_3092
 Laos
 |  SMF_319231
 Laos: Huai Nam Don NE Takek
 |  SMF_319231
 Laos: Huai Nam Don NE Takek
 |  |  SMF_220848
 Laos: Mekong at Takek
 |  SMF_319249
 Laos: Mekong River between Takek and Nakon Panom
 |  SMF_188840
 Mekong at Takek, Laos
 |  |  SMRL_2346_40
 Mekong between Takek and Nakon Panom, Thailand
 | 
 
 Thailand|  NCSM_26913
 Asia, Mekong Basin/Mekong R. Thailand, Sakon Nakhon, Sakon Nakhon, [Point estimated in center of Sakon Nakhon]. 17.1667°  N, 104.15°  E
 |  UF_507817
 Bang Sai River at Rt. 2292 bridge.  TH16-44. 16.737, 104.520
 |  USNM_786277
 Huai Mae Un at Sri Songkram, Nakon Prov. Thailand
 |  |  SMF_319245
 Huai Thuai, Tha Uthen, Nakon Panom
 |  SMF_319245
 Huai Thuai, Tha Uthen, Nakon Panom
 |  SMF_188836
 Maenam Kham, Tat Panaom
 |  |  SMF_188843
 Maenam Songkram Sri Songkram
 |  MNHN_MP_3839
 Maenam Songram, Prov. Saicon Nakon, thailand
 |  USNM_419864
 Nong Han, Sakon Nakon, E. Siam
 |  |  UF_507767
 Songkhram River at bridge W of Ban Na Si Nuan on Rt. 2281. TH16-30. 17.729, 103.411
 |  UF_507633
 Songkhram River at confluence with Mao River. TH15-11. 17.70202, 104.25579
 |  UF_507641
 Songkhram River at confluence with Yam River. TH15-12. 17.70906, 104.07671
 |  |  UF_381376
 Thailand, Nakhon Phanom Province, muddy bank of Songkhram River, near town of Si Song Khram, 17.6252°, 104.2426°
 |  SMF_188844
 Thailand: Huai Mae Un at Sri Songkram, Province Nakon Panom
 |  SMF_319232
 Thailand: Huai Mae Un bei Sri Songkram
 |  |  USNM_786290
 Thailand: Huai Mae Un, Sri Songkram, Nakon Panom
 |  SMF_205125
 Thailand: Huai Un at Sri Songkram
 |  USNM_786289
 Thailand: Maenam Songkram
 |  |  USNM_786280
 Thailand: Maenam Songkram Wanonivat [= Wanon Niwat], Sakon Nakon
 |  BMNH_MP_0607
 Thailand: Maenam Songkram, N of Wannonivat, Sakon Nakon Prov.
 |  USNM_786278
 Thailand: Maenam Songkram, Ta Uthen, Nakon Panom Province
 |  |  SMF_188837
 Thailand: Nakon Panom Prov. MAenam Songkram, Ta Uthen
 |  BMNH_MP_0609
 Thailand: Songkram River at Wannonivat [= Wanon Niwat], Sakon Nakon Prov.
 |  MNHN_MP_3850
 Thailand: Songkram River at Wannonivat [= Wanon Niwat], Sakon Nakon Prov.
 |  |  SMF_188839
 Thailands: Maenam Songkram Wanonivat; Sakon Nakon
 |  UF_507804
 Thuai River at Rt. 212 bridge S of Tha Uthen. TH16-39. 17.562, 104.609
 |  UF_507784
 Un River at bridge approx. 3 km E of Ban Na Wha. TH16-32. 17.480, 104.129
 |  |  UF_507773
 Un River at Rt. 222 bridge [error - Pla Hang at Rt 222 bridge] TH16-31. 17.443, 103.728
 | 
 Georeferenced Genbank Vouchers
 CambodiaUF_507397 (ICH-00480). (COI: MT905645, 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_507397 (ICH-00481). (COI: MT905646, go to Genbank) ditto. UF_507397 (ICH-00482). (COI: MT905647, go to Genbank) ditto. UF_507397 (ICH-00483). (COI: MT905648, go to Genbank) ditto. UF_507397 (ICH-00484). (COI: MT905649, go to Genbank) ditto. UF_507392 (ICH-00438). (COI: MT905626, go to Genbank) Cambodia, Tonle Sekong River, 1.6 miles upstream from AH11 Bridge (13.545038, 106.013527). UF_507392 (ICH-00441). (COI: MT905629, go to Genbank) ditto. UF_507392 (ICH-00442). (COI: MT905630, go to Genbank) ditto. UF_507392 (ICH-00443). (COI: MT905631, go to Genbank) ditto. UF_507392 (ICH-00444). (COI: MT905632, go to Genbank) ditto. UF_507382 (ICH-00413). (COI: MT905613, go to Genbank) Cambodia, Tonle Srepok River, major bridge crossing on road from Stung Treng to Ban Lung (13.443388, 106.603294). UF_507382 (ICH-00416_AHE). (COI: MT905615, go to Genbank) ditto. UF_507382 (ICH-00416). (COI: MT905614, SRA: SRX8934367, go to Genbank) ditto. 
 LaosMUMNH_UNI1174. (COI: MG582013, H3: MG582056, go to Genbank) Nam Don River, Thakhek, Khammouane, Laos (17° 26' 32.9" N 104° 51' 22.2" E). MUMNH_UNI1111. (COI: MG582011, H3: MG582054, go to Genbank) Nam Hin Boun River, Hin Boun City, Khammouane, Laos (17° 35' 49.5" N 104° 37' 05.7" E). MUMNH_UNI0956. (COI: MG582012, H3: MG582055, go to Genbank) Nam Pakan River, Nam Pakan, Khammouane, Laos (17° 39' 52.22" N 104° 37' 37.0" E). MUMNH_UNI1164. (COI: MG582014, H3: MG582057, go to Genbank) Xe Nou River, Ban Dong Mak Fai, Savannakhet, Laos (17° 04' 22.3" N 105° 02' 54.9" E). 
 ThailandMUMNH_UNI0215. (COI: MG582010, H3: MG582053, go to Genbank) Bung River, Phra Song, Na Kae, Nakhon Phanom, Thailand (17° 00' 40.1" N 104° 34' 06.2" E). MUMNH_UNI0205. (COI: MG582009, H3: MG582052, go to Genbank) Kam River, Na Khu, Na Kae, Nakhon Phanom, Thailand (16° 57' 29.2" N 104° 30' 16.3" E). MUMNH_UNI0253. (16S: MT993694, 28S: MT993746, COI: MG582007, H3: MG582050, go to Genbank) Songkhram River at Thung Fon, Udon Thani, Thailand (17° 27' 06.5" N, 103° 16' 50.4" E). UF_507817 (ICH-00861). (COI: MT905819, go to Genbank) Thailand, Bang Sai River at Rt. 2292 bridge (16.736793, 104.519524) . UF_507817 (ICH-00862). (COI: MT905820, go to Genbank) ditto. UF_507767 (ICH-00781). (COI: MT905783, go to Genbank) Thailand, Songkhram River at bridge W of Ban Na Si Nuan on Rt. 2281 (17.72947, 103.410732). UF_507767 (ICH-00782). (COI: MT905784, go to Genbank) ditto. UF_507767 (ICH-00783). (COI: MT905785, go to Genbank) ditto. UF_507633 (2014-0654). (COI: MT905552, go to Genbank) Thailand, Songkhram River at confluence with Mao River (17.70202, 104.25579). UF_507641 (2014-0665). (COI: MT905554, go to Genbank) Thailand, Songkhram River at confluence with Yam River (17.709055, 104.076712). UF_507641 (2014-0666). (COI: MT905555, go to Genbank) ditto. UF_507641 (2014-0667). (COI: MT905556, go to Genbank) ditto. UF_507804 (ICH-00837). (COI: MT905810, go to Genbank) Thailand, Thuai River at Rt. 212 bridge S of Tha Uthen (17.562192, 104.609067) . UF_507804 (ICH-00838). (COI: MT905811, go to Genbank) ditto. UF_507804 (ICH-00839). (COI: MT905812, go to Genbank) ditto. UF_507804 (ICH-00840). (COI: MT905813, go to Genbank) ditto. UF_507784 (ICH-00800). (COI: MT905792, go to Genbank) Thailand, Un River at bridge approx. 3 km E of Ban Na Wha (17.480165, 104.129469). UF_507773 (ICH-00763). (COI: MT905779, go to Genbank) Thailand, Un River at Rt. 222 bridge (17.442618, 103.727625). UF_507773 (ICH-00764). (COI: MT905780, go to Genbank) ditto. MUMNH_UNI0271. (COI: MG582008, H3: MG582051, go to Genbank) Yam River, Charoen Sin, Charoen Sin, Sakon Nakhon, Thailand (17° 31' 56.1" N 103° 33' 39.0" E). |