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Data last updated
Mon 1 Dec 2025
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Bivalvia
| Unionoida
| Unionoidea
| Unionidae
| Gonideinae
| Rectidentini
| Ensidens
species Ensidens ingallsianus (Lea, 1852): specimens2 available nominal species synonyms
Recent Taxonomic Opinions
Ensidens ingallsianus — Graf & Cummings (2007), Bogan (2010), IUCN (2012), Bogan & Do (2014), Kongim et al. (2015), ... Dai et al. (2023), Zieritz et al. (2024), Jeratthitikul et al. (2024), Dai et al. (2024), Dai et al. (2025) Ensidens sp. — Sri-aroon et al. (2007) Ensidens cf. ingallsianus — Bolotov et al. (2017), Bolotov et al. (2017), Bolotov et al. (2018), Huang et al. (2019), Konopleva et al. (2019), Zieritz et al. (2020) Ensidens ingallsianus A1 — Muanta et al. (2019) Ensidens pazii — Konopleva et al. (2019), Bolotov et al. (2020), Graf & Cummings (2021) Ensidens ingallsianus A2 — Muanta et al. (2019)
Range
Widespread in Indochina, including the Malay Peninsula.
Map of Georeferenced Specimens
MUSSELp Specimen Records
Cambodia
China
India
Laos
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 NCSM_84889 Asia, Mekong Basin/Bang Fai R. Laos, Savannakhét, Xaybuly Co Xw Bangfai [Ban Fai River] at Ban Boungxe [Bung Xe]. 17.07614° N, 104.8755° E
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Malaysia
Myanmar
Thailand
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 USNM_365425 Bang Dorn (irrigation ditches), Siam
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 SMF_188666 Bang Pa in
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 MNHN_MP_2751 Bang Pa Tan, Gardens of Royal Palace, Thailand
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 MNHN_MP_2755 Bang Pa Tan, Gardens of Royal Palace, Thailand
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 TMMUBI_56 Bang Pa-In garden of Palace Ayutthaya; Thailand
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 SMF_283248 Bang Pa-In Garden of the Royal Palace
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 SMF_283249 Bang Pa-In Palace Garden
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 SMF_319288 Bang Pa-In Palace Garden
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 MNHN_MP_2731 Bang Pa-In, Garden of Royal Palace
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 BMNH_MP_D282 Bang Pa-In, Palace Garden, Thailand
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 FMNH_162657 Bang Pa-In, Palace Garden, Thailand
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 BMNH_MP_0600 Bang Pa-In, Prov, Cynthia
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 USNM_786183 Bangkok-Dusit Klong around Chitlada [Chitralada] Palace; Thailand
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 MNHN_MP_2736 Bangkok, Siam
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 USNM_361282 Bangkok, Siam
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 USNM_361282 Bangkok, Siam
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 USNM_363577 Bangkok, Siam
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 UF_507498 Bueng Sam Phan (Tabaek) River at Rt. 225 in Bueng Sam Phan. JMP17-41. 15.83129, 101.03554
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 SMF_188660 Dam Noen Saduak, Ratburi
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 MNHN_MP_2788 de Siam
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 USNM_361093 Gwe Pasak R., Siam
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 USNM_361361 Gwe Pasak R., Siam
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 USNM_786314 Klong Huai Chan, Ang Tong, Thailand
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 USNM_786314 Klong Huai Chan, Ang Tong, Thailand
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 USNM_786362 Klong in Palace Garden of Bang Pa-In, Thailand
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 USNM_786362 Klong in Palace Garden of Bang Pa-In, Thailand
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 USNM_786305 Klong in park, Bang Pa-In, Thailand
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 USNM_786308 Klong Min, Chandee, Thailand
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 USNM_786376 Klong Prapa, Bangkok, Thailand
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 UMMZ_230855 Klong Prem Prachakon, Bankok, Thailand
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 UF_507868 Kroeng Krawia off Rt. 323. TH17-14. 14.940240, 98.657140
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 SMF_319287 Mae Jo (Department of Fisheries) Chaing Mai
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 SMF_319287 Mae Jo (Department of Fisheries) Chaing Mai
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 USNM_786298 Mae Jo Fishery, Chiang Mai, Thailand
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 UF_507592 Mae Prachan at bridge on highway 3499. TH14-07. 12.93443, 99.78142
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 USNM_786299 Maenam Pasak, W of Saraburi, Thailand
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 FMNH_33019 Me Ping River at Wang Pratart Farm, Kam Peng Pet Prov., NW Siam
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 SMF_188884 Nan Flu b Tapan Hin
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 UF_507733 Pa Sak River at Rt. 12 bridge. TH16-18. 16.730, 101.239
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 SMF_170334 Pa Sak River b. Saraburi
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 UF_507877 Pachee River off Rd. 3085. TH17-25. 13.918134, 99.382270
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 FMNH_33018 Pak Nam Po River at Nam Nan, Kam Peng Pet Prov. NW Siam
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 MNHN_MP_2754 Pasak River, Ban Taluang, Tarua... Thailand
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 BMNH_MP_0602 Pasak River, Ban Tha Luang, Tha Rua Distr., Thailand
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 UF_507689 Phachi River, trib. of Khwae Noi River at Rd. 4011 bridge. TH15-33. 13.78043, 99.42093
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 UF_507501 Sala River at Rt. 1374 in Ho Krai. JMP17-43. 16.06405, 100.37959
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 ANSP_125766 Siam
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 ANSP_125766 Siam
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 ANSP_125783 Siam
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 ANSP_125783 Siam
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 ANSP_125784 Siam
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 ANSP_41744 Siam
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 BMNH_MP_D277 Siam
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 BMNH_MP_D277 Siam
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 BMNH_MP_D278 Siam
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 BMNH_MP_D414 Siam
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 BMNH_MP_D414 Siam
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 MNHN_MP_2782 Siam
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 SMF_13705 Siam
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 SMF_13709 Siam
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 SMF_83180 Siam
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 UMMZ_109726 Siam
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 UMMZ_109732 Siam
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 UMMZ_23072 Siam
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 USNM_40848 Siam
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 USNM_84707 Siam
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 USNM_84708 Siam
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 USNM_85933 Siam
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 FMNH_21781 Siam [Thailand]
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 FMNH_33017 Siam [Thailand], Kam Peng Pet, Stream: Pak Nam Po River Locale: Nam Nan
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 UF_507595 Ta Pi River. TH14-16. 8.50732, 99.50870
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 UF_93239 Thailand
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 UF_435019 Thailand, Nakhen Sawan Province 6 km WSW Ban Nong Ben, drying ditch, 15.7336°, 99.9486°
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 UF_426969 Thailand, Nakhon Phanom Province, Bung Boraphet, Khaco Yai, 6km E of Pak Nam Pho, 15.7122°, 100.1863°
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 UF_246545 Thailand, Uthai Thani Prov., 2 km SSE of Buri, roadside ditch 14° 59' 40" N, 100° 25' 0" E
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 SMF_188647 Thailand: Bang Pa In, Schlobpark
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 SMF_188647 Thailand: Bang Pa In, Schlobpark
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 SMF_188648 Thailand: Bang Pa In, Schlobpark
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 SMF_188649 Thailand: Bang Pa In, Schlobpark
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 SMF_188652 Thailand: Bangkok Klong Prem Prachakom opposit Twop Ava [?]
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 SMF_188653 Thailand: Department of Fisheries, Majo (Chaing Mai)
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 SMF_170335 Thailand: Huai Luang, n. Udon
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 SMF_188659 Thailand: Klong Huai Cha, Muang Distr., Prov Ang Tong
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 SMF_188656 ThaiLand: Klong Min Chandi
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 SMF_188650 Thailand: Klong Prapa,Bang Sue, Bnagkok
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 SMF_188651 Thailand: Lopburi, paddy field behing Wat Pram Mat
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 INHS_25293 trib. Tapi River, 25 km NE Ao Luk, Hwy. 4035, Krabi, Thailand
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 UF_507666 Unnamed trib. of Wang River off Rt. 1157. TH15-22. 18.37862, 99.44386
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 UF_507686 Wang Ma River, trib. of Sakae Krang River at Rt. 3013 bridge. TH15-30. 15.67541, 99.82571
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unknown
Vietnam
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 MNHN_MP_2766 Hoa My, Ha Dong Vietnam, Est de Thai Binh, Delta Fleuve Rouge
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Genbank Vouchers
Georeferenced Genbank Vouchers
Laos
NCSM_84889. (28S: KX822598, COI: KX822641, go to Genbank) Asia, Mekong Basin/Bang Fai R. Laos, Savannakhét, Xaybuly Co Xw Bangfai at Ban Boungxe. 17.07614° N, 104.8755° E.
Thailand
Mp_3911_E10. (5.8S: MG041515, COI: MG582021, H3: MG582064, ITS1: MG041515, ND1: MG025709, go to Genbank) Lopburi River, Bang Pahan, Phra Nakhon Si Ayutthaya, Thailand (14° 29' 30.4" N 100° 33' 12.6" E).
UF_507498 (ICH-02165). (COI: MT905893, go to Genbank) Thailand, Bueng Sam Phan (Tabaek) River at Rt. 225 in Bueng Sam Phan (15.831288, 101.035539).
UF_507498 (ICH-02166). (COI: MT905894, go to Genbank) ditto.
UF_507592 (2014-0049). (COI: MT905500, go to Genbank) Thailand, Mae Prachan at bridge on highway 3500 (12.9344333, 99.7814167).
UF_507592 (2014-0050). (COI: MT905501, go to Genbank) ditto.
UF_507592 (2014-0051). (COI: MT905502, go to Genbank) ditto.
UF_507592 (2014-0052). (COI: MT905503, go to Genbank) ditto.
UF_507592 (2014-0053). (COI: MT905504, go to Genbank) ditto.
RMBH_biv_1273_1. (16S: OP735375, COI: OP729811, go to Genbank) Thailand, Min River at Wat Khura In (8.2997, 99.5580).
UF_507733 (ICH-00694). (COI: MT905754, go to Genbank) Thailand, Pa Sak River at Rt. 12 bridge (16.729801, 101.238514).
UF_507877 (ICH-02100). (COI: MT905869, go to Genbank) Thailand, Pachee River off Rd. 3085 (13.918134, 99.38227) .
UF_507877 (ICH-02101). (COI: MT905870, go to Genbank) ditto.
RMBH_biv_1335_1. (28S: OP735360, COI: OP729816, go to Genbank) Thailand, Pak Pra River, just N of Wat Tha Sampao Nuea (7.7289, 100.1079).
UF_507595 (2014-0090). (COI: MT905506, go to Genbank) Thailand, Ta Pi River (8.5073167, 99.5087).
RMBH_biv_1285_1. (COI: OP729812, go to Genbank) Thailand, Ta Pi River just E of Wat Aranyakham Wari (8.7522, 99.2370).
RMBH_biv_1292_2. (COI: OP729813, go to Genbank) Thailand, Ta Pi River just N of Wat Pheng Praditsatha Ram (8.8445, 99.2018).
RMBH_biv_1316_1. (COI: OP729814, go to Genbank) Thailand, Ta Pi River, bend just E of Wat Arayakham Wari (8.7520, 99.2315).
RMBH_biv_1339_1. (COI: OP729817, go to Genbank) Thailand, Tamot Stream, just NW of Tamot Provincial Electricity Authority (7.3452, 100.1064).
RMBH_biv_1320_1. (16S: OP735376, 28S: OP735359, COI: OP729815, go to Genbank) Thailand, Tha Sae River, E bank just E of Wat Na Sang (10.6753, 99.1737).
UF_507666 (2014-0718). (COI: MT905579, go to Genbank) Thailand, Unnamed trib. of Wang River off Rt. 1157 (18.37862, 99.44386).
UF_507666 (2014-0719). (COI: MT905580, go to Genbank) ditto.
UF_507686 (2012-0417). (COI: MT905442, SRA: SRR8473066, go to Genbank) Thailand, Wang Ma River, trib. of Sakae Krang River at Rt. 3013 bridge (15.67541, 99.82571).
UF_507686 (2012-0418). (COI: MT905443, go to Genbank) ditto.
UF_507686 (2012-0419). (COI: MT905444, go to Genbank) ditto.
MUMNH_UNI0074. (16S: MT993687, 28S: MT993739, COI: MT993541, go to Genbank) Thailand: Chao Phraya River Basin, Phrae, Song River (18° 27' 47.2" N, 100° 11' 01.8" E).
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