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Page last updated
Thu 17 July 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!


Bivalvia | ... | Unionidae | Gonideinae | Rectidentini | Ensidens

species Ensidens dugasti (Morlet, 1892): specimens
     1 available nominal species synonym (2 total synonyms)

Recent Taxonomic Opinions

Ensidens ingallsianusIUCN (2012)
Ensidens dugastiPfeiffer et al. (2021), Konopleva et al. (2023)

Range

Songkhram and Mekong rivers, Thailand and Laos.

Map of Georeferenced Specimens

species map


specimen
SMF_3636

Outhene, rechter Nebenfluss des Mekong, Laos


Laos

specimen
BMNH_1893-12-8137-8138

Laos: Outhene River, affluent du Mikong

specimen
MNHN_MP_2747

Laos: Outhene River, affluent du Mikong

specimen
USNM_128574

Outhene, branch of the Mekong


Thailand

specimen
UF_507454

"Tha Uthen". Deein-1. 17.57575, 104.60350

specimen
SMF_198401

Huai Mae Un Sri Songkram

specimen
SMF_319289

Huai Thuai at Ta Uthen, Province Nakon Panom

specimen
SMF_188663

Mae nam Songkhram, Ta Uthen

specimen
SMF_198402

Maenam Songkram b Sri Songkram

specimen
SMF_198402

Maenam Songkram b Sri Songkram

specimen
UF_507826

Mekong River at . TH16-46. 16.134, 105.032

specimen
UF_507764

Songkhram River at bridge W of Ban Na Si Nuan on Rt. 2281. TH16-30. 17.729, 103.411

specimen
UF_507640

Songkhram River at confluence with Mao River. TH15-11. 17.70202, 104.25579

specimen
UF_507648

Songkhram River at confluence with Yam River. TH15-12. 17.70906, 104.07671

specimen
UF_507631

Songkhram River at Rt. 2390 bridge. TH15-10. 17.67602, 104.28566

specimen
UF_507787

Songkhram River near confluence with Un River at bridge N of Ban Si Songkhram. TH16-33. 17.634, 104.246

specimen
SMF_319290

Sri Songkram, Songkram River

specimen
USNM_786285

Thailand: Huai Mae Un, Sri Songkram, Nakon Panom

specimen
USNM_786286

Thailand: Huai Tuai, Ta Uthen

specimen
UF_507822

Thom River at Rt. 2034 bridge. TH16-45. 16.122, 105.031

specimen
UF_507783

Un River at bridge approx. 3 km E of Ban Na Wha. TH16-32. 17.480, 104.129

specimen
UF_507771

Un River at Rt. 222 bridge [error - Pla Hang at Rt 222 bridge] TH16-31. 17.443, 103.728


unknown

specimen
MNHN_MP_0043

[no locality available - Asia]

specimen
MNHN_MP_0043

[no locality available - Asia]

Georeferenced Genbank Vouchers


Thailand

UF_507454 (2014-0639). (COI) Thailand, "Tha Uthen" (17.575745, 104.603504)

UF_507454 (2014-0640). (COI) Thailand, "Tha Uthen" (17.575745, 104.603504)

UF_507764 (ICH-00775). (COI) Thailand, Songkhram River at bridge W of Ban Na Si Nuan on Rt. 2281 (17.72947, 103.410732)

UF_507764 (ICH-00776). (COI) Thailand, Songkhram River at bridge W of Ban Na Si Nuan on Rt. 2281 (17.72947, 103.410732)

UF_507640 (2014-0664). (COI) Thailand, Songkhram River at confluence with Mao River (17.70202, 104.25579)

UF_507648 (2014-0676). (COI) Thailand, Songkhram River at confluence with Yam River (17.709055, 104.076712)

UF_507631 (2014-0647_AHE). (COI) Thailand, Songkhram River at Rt. 2390 bridge (17.67602, 104.28566)

UF_507631 (2014-0647). (COI, SRA) Thailand, Songkhram River at Rt. 2390 bridge (17.67602, 104.28566)

UF_507631 (2014-0648). (COI) Thailand, Songkhram River at Rt. 2390 bridge (17.67602, 104.28566)

UF_507787 (ICH-00804). (COI) Thailand, Songkhram River near confluence with Un River at bridge N of Ban Si Songkhram (17.634146, 104.24573)

UF_507787 (ICH-00805). (COI) Thailand, Songkhram River near confluence with Un River at bridge N of Ban Si Songkhram (17.634146, 104.24573)

UF_507822 (ICH-00872). (COI) Thailand, Thom River at Rt. 2034 bridge (16.122257, 105.030754)

UF_507783 (ICH-00797). (COI) Thailand, Un River at bridge approx. 3 km E of Ban Na Wha (17.480165, 104.129469)

UF_507783 (ICH-00798). (COI) Thailand, Un River at bridge approx. 3 km E of Ban Na Wha (17.480165, 104.129469)

UF_507771 (ICH-00761). (COI) Thailand, Un River at Rt. 222 bridge (17.442618, 103.727625)

UF_507771 (ICH-00762). (COI) Thailand, Un River at Rt. 222 bridge (17.442618, 103.727625)