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Page last updated
Thu 3 September 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 | Physunio

species Physunio pellucidus Pfeiffer, Graf, Cummings & Page, 2021: specimens
     1 available nominal species synonym

Recent Taxonomic Opinions

Physunio pellucidusPfeiffer et al. (2021), Jeratthitikul et al. (2021)

Range

Mekong River, Thailand and Laos.

Map of Georeferenced Specimens

species map


Laos

specimen
ANSP_H19017

Huai Nam Don, NE of Takek, Laos

specimen
MNHN_MP_3689

Laos: Vang Vieng


Thailand

specimen
UF_507837

Bang River at Rt. 212 bridge approx. 5 km N of Ban Nikhom Kham Soi. TH16-49. 16.395934, 104.571480

specimen
UF_507818

Bang Sai River at Rt. 2292 bridge. TH16-44. 16.737, 104.520

specimen
SMF_319376

Thailand: Huai Tuai at Tha Uthen, Nakon Panom

specimen
ANSP_H19016

Thailand: Maenam Kham, S Tat Panom

specimen
UF_507821

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

specimen
UF_507799

Thuai River at Rt. 212 bridge S of Tha Uthen. TH16-39. 17.562, 104.609

specimen
UF_507757

Trib. of Mekong River at Rt. 211 bridge approx. 3 km S of Ban Muang. TH16-28. 18.151, 102.179

UF_564750.

Georeferenced Genbank Vouchers


Thailand

MUMNH_UNI0258. (16S: MT993691, 28S: MT993743, COI: MT993544, go to Genbank) Kam River at Na Khu, Na Kae, Nakhon Phanom, Thailand (16° 57' 29.2" N, 104° 30' 16.3" E).

UF_507837 (ICH-00898). (COI: MT905838, go to Genbank) Thailand, Bang River at Rt. 212 bridge approx. 5 km N of Ban Nikhom Kham Soi (16.395934, 104.57148) .

UF_507837 (ICH-00899). (COI: MT905839, go to Genbank) ditto.

UF_507818 (ICH-00863). (COI: MT905821, go to Genbank) Thailand, Bang Sai River at Rt. 2292 bridge (16.736793, 104.519524) .

UF_507821 (ICH-00869). (COI: MT905826, go to Genbank) Thailand, Thom River at Rt. 2034 bridge (16.122257, 105.030754) .

UF_507821 (ICH-00870). (COI: MT905827, go to Genbank) ditto.

UF_507799 (ICH-00826). (COI: MT905805, go to Genbank) Thailand, Thuai River at Rt. 212 bridge S of Tha Uthen (17.562192, 104.609067) .

UF_507799 (ICH-00827). (COI: MT905806, go to Genbank) ditto.

UF_507799 (ICH-00828). (COI: MT905807, SRA: SRX8934372, go to Genbank) ditto.