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MUSSELpdb

Taxonomy

Species & Genus Richness by
Taxonomy

Geography

Species Richness & Endemism by
Geography

Data last updated
Mon 1 Dec 2025

species Trapezoideus foliaceus (Gould, 1843): specimens

1 available nominal species synonym

Recent Taxonomic Opinions

Trapezoideus exolescens — Graf & Cummings (2007), IUCN (2010), He & Zhuang (2013)
Trapezoideus exolescens exolescens — Ramakrishna & Dey (2007)
Trapezoideus foliaceus — Bolotov et al. (2017), Konopleva et al. (2019), Pfeiffer et al. (2019), Konopleva et al. (2019), Bolotov et al. (2020), ... Wu et al. (2024), Liu et al. (2024), Zieritz et al. (2024), Wu et al. (2024), Jeratthitikul et al. (2024)

Range

Dawei River, Myanmar and Mae Klong, Thailand.

Map of Georeferenced Specimens

specimens map of Trapezoideus foliaceus

MUSSELp Specimen Records

SMF_188887 Maenam On S Ngao	SMRL_2474 River Nam on, S of Ngao, Thailand	ANSP_H18990 Thailand: Maenam On at Ban Pong, S Ngao, Thailand
SMF_319372 Thailand: Nam Mae On b. Ban Pong S Ngao	SMF_220843 Thailand: River Nam On, S of Ngao

India

UMMZ_110868
Brahmaputra River, Sadiya, Upper Asssam, India

USNM_150049
India

Myanmar

UMMZ_110863
Burma

USNM_84161
Tavoy, Burmah

New Zealand

ANSP_125657
New Zealand

Thailand

UF_507870 Khayeng River off Rd. 3272 just E of Rd. 6101. TH17-16. 14.649716, 98.576681	FMNH_33020 Klong Klung River, Kam Peng Pet Prov., NW Siam	USNM_786212 Klong Ta Luang, Noen Glam, Ban Wattayom, Pitsanulok, Thailand
USNM_365433 Lam Tong Lang, N of Pak Jong, Siam	UF_507869 Lin Thin River, behind rubber tree plantation on small road off Rd. 323, just S of Wat Choeng Khao. TH17-15. 14.544038, 98.784663	INHS_85713 Mae Kuang River, Mae Won Resort, Chiang Mai Province, Thailand
INHS_49265 Mae Nam Khwae Noi River, Hwy. 323 bridge, near Ban U Rang, approx. 10 km NE Thong Pha Phum, Kanchanaburi, Thailand	INHS_85715 Mae Wan River, Mae Wan village, N of Hwy. 11B, , Chiang Mai Province, Thailand	UF_507867 Malai River 2 km N of river mouth at Vajiralongkorn reservoir. TH17-08. 15.135066, 98.369543
UF_507866 Malai River at northern end of Rd. 3202 E of Ban Chong Lu. TH17-07. 15.157333, 98.349215	UF_507502 Muak Lek River at . JMP17-44. 14.74474, 101.18954	UF_507879 Pachee River off Rd. 3085. TH17-25. 13.918134, 99.382270
UF_507458 Phachi River at resort off 6007 in Ta Nao Si. JMP17-29. 13.47906, 99.27287	UF_507457 Phachi River off unnamed road near HWY 6007/6607 in Tha Khoei. JMP17-28. 13.51569, 99.34797	UF_507676 Phak River, trib. of Khwae Noi, at Rt. 1143 east of split with Rt. 1237; Nun River drainage. TH15-26. 17.25347, 100.62858
UF_507650 Ping River off Rt. 107 at Kaeng Pan Tao village. TH15-13. 19.28594, 98.96800	SMF_188748 Ping River, 1 km N of Chaing Mai	UF_507864 Pracham Mai River at Rd. 3272. TH17-02. 14.659577, 98.534232
UF_507697 Pracham Mai River at Rt. 3272 bridge. TH15-37. 14.65983, 98.53422	UF_507702 Song Karia River at Rt. 323. TH15-39. 15.22318, 98.44648	UF_507883 Taphoen River at Rt. 3086. TH17-36. 14.430433, 99.502775
UF_507881 Taphoen River Of Rt. 3086. TH17-35. 14.665890, 99.443780	UF_507695 Taphoen River, trib. of Khwae Yai River. TH15-35. 14.20021, 99.48396	UF_463056 Thailand, Chiang Mai, Mae Nam Ping, on Highway 7 at km 62, 19.286°, 98.69°
UF_446233 Thailand, Kanchanaburi province, Huay Ka Yeng, Mae Nam Kwae, Kring Ta Ko, small rocky & sandy stream, 1-3m wide, 14.7528°, 98.5006°	UF_446232 Thailand, Phitsanulok Province, King Amphoe, Mae Nam Nan, Klong Ban Mung, Noen Maprang, small stream, 2-3 m wide, gravelly riffles & muddy backwater 16.5606°, 100.6958°	UF_346489 Thailand, Uthai Thani Province, Huai Kha Khaeng Reserve, Huai Kha Khaeng River, 15.2758°, 99.1553°
UF_346488 Thailand, Uthai Thani Province, Huai Kha Khaeng Reserve, Huai Mae Di River, 15.2758°, 99.1553°	UF_346495 Thailand, Uthai Thani Province, Huai Kha Khaeng Reserve, Huai Mae Di River, 15° 16' 33" N, 99° 9' 19" E	SMF_319374 Thailand: Huai Rai, Huai Rai Station
SMF_319373 Thailand: River Kwae Noi Canchanburi	UF_507680 Thap Salao River, trib. of Sakae Krang River, north of Rt. 3438. TH15-29. 15.42611, 99.65745	UF_507865 Trib of Pracham Mai River. TH17-03. 14.69334, 98.50639
UF_507698 Unnamed trib. of Khwae Noi River at Thong Pha Phum Vale Resort on Rt. 323. TH15-38. 14.75825, 98.64816	UF_507669 Wang River at Rt. 1102 bridge east of Mae Phrik village. TH15-23. 17.44590, 99.12935	UF_507716 Yom River below dam at Ban Nun Nuea. TH16-12. 18.484, 100.158

Genbank Vouchers

Georeferenced Genbank Vouchers

Thailand

UF_507870 (ICH-02081). (COI: MT905860, go to Genbank) Thailand, Khayeng River off Rd. 3272 just E of Rd. 6101 (14.649716, 98.576681) .

UF_507870 (ICH-02082). (COI: MT905861, go to Genbank) ditto.

UF_507867 (ICH-02060). (COI: MT905855, go to Genbank) Thailand, Malai River 2 km N of river mouth at Vajiralongkorn reservoir (15.135066, 98.369543) .

UF_507867 (ICH-02061). (COI: MT905856, go to Genbank) ditto.

UF_507867 (ICH-02062). (COI: MT905857, go to Genbank) ditto.

UF_507866 (ICH-02065). (COI: MT905858, go to Genbank) Thailand, Malai River at northern end of Rd. 3202 E of Ban Chong Lu (15.157333, 98.349215) .

UF_507866 (ICH-02066). (COI: MT905859, go to Genbank) ditto.

UF_507502 (ICH-02170). (COI: MT905895, go to Genbank) Thailand, Muak Lek River at Rt. 2224 in Muak Lek (14.744737, 101.18954).

UF_507502 (ICH-02171). (COI: MT905896, go to Genbank) ditto.

UF_507502 (ICH-02172). (COI: MT905897, go to Genbank) ditto.

UF_507502 (ICH-02173). (COI: MT905898, go to Genbank) ditto.

UF_507879 (ICH-02104). (16S: MH346024, 28S: MH346004, COI: MH345984, go to Genbank) Thailand, Pachee River off Rd. 3085 (13.918134, 99.38227) .

UF_507879 (ICH-02105). (16S: MH346025, 28S: MH346005, COI: MH345985, go to Genbank) ditto.

UF_507676 (2014-0742). (COI: MT905596, go to Genbank) Thailand, Phak River, trib. of Khwae Noi, at Rt. 1143 east of split with Rt. 1237; Nun River drainage (17.25347, 100.62858).

UF_507676 (2014-0743). (COI: MT905597, go to Genbank) ditto.

UF_507676 (2014-0744). (COI: MT905598, go to Genbank) ditto.

UF_507676 (2014-0745). (COI: MT905599, go to Genbank) ditto.

UF_507650 (2014-0681). (COI: MT905558, go to Genbank) Thailand, Ping River off Rt. 107 at Kaeng Pan Tao village (19.28594, 98.968).

UF_507864 (ICH-02055). (COI: MT905852, go to Genbank) Thailand, Pracham Mai River at Rd. 3272 (14.659577, 98.534232) .

UF_507864 (ICH-02056). (COI: MT905853, go to Genbank) ditto.

UF_507697. (28S: MH345999, COI: MH345979, go to Genbank) Thailand, Pracham Mai River at Rt. 3272 bridge (14.65983, 98.53422).

UF_507697 (2012-0442). (COI: MT905464, go to Genbank) ditto.

UF_507697 (2012-0444). (COI: MT905465, go to Genbank) ditto.

UF_507697 (2012-0446). (COI: MT905466, go to Genbank) ditto.

UF_507702 (2012-0456). (COI: MT905473, go to Genbank) Thailand, Song Karia River at Rt. 323 (15.22318, 98.44648).

UF_507702 (2012-0459). (COI: MT905474, go to Genbank) ditto.

UF_507702 (2012-0460). (COI: MT905475, go to Genbank) ditto.

UF_507695 (2012-0434). (COI: MT905456, go to Genbank) Thailand, Taphoen River, trib. of Khwae Yai River (14.20021, 99.48396).

UF_507695 (2012-0435). (COI: MT905457, go to Genbank) ditto.

UF_507695 (2012-0436). (COI: MT905458, go to Genbank) ditto.

UF_507695 (2012-0437). (COI: MT905459, go to Genbank) ditto.

UF_507680 (2012-0401). (COI: MT905435, go to Genbank) Thailand, Thap Salao River, trib. of Sakae Krang River, north of Rt. 3438 (15.426106, 99.657445).

UF_507680 (2012-0402). (COI: MT905436, go to Genbank) ditto.

UF_507680 (2012-0403). (COI: MT905437, go to Genbank) ditto.

UF_507865 (ICH-02058). (COI: MT905854, SRA: SRR8473069, go to Genbank) Thailand, Trib of Pracham Mai River (14.69334, 98.50639) .

UF_507865 (ICH-2059). (16S: MZ684085, 18S: MZ684071, 28S: MZ684038, COI: MZ678758, ND1: MZ695091, go to Genbank) ditto.

UF_507698 (2012-0447). (COI: MT905467, go to Genbank) Thailand, Unnamed trib. of Khwae Noi River at Thong Pha Phum Vale Resort on Rt. 323 (14.75825, 98.64816).

UF_507698 (2012-0448). (COI: MT905468, go to Genbank) ditto.

UF_507698 (2012-0449). (COI: MT905469, go to Genbank) ditto.

UF_507698 (2012-0450). (COI: MT905470, go to Genbank) ditto.

UF_507669 (2014-0723). (COI: MT905582, go to Genbank) Thailand, Wang River at Rt. 1102 bridge east of Mae Phrik village (17.4459, 99.12935).

UF_507669 (2014-0724). (COI: MT905583, go to Genbank) ditto.

UF_507669 (2014-0725). (COI: MT905584, go to Genbank) ditto.

UF_507716 (ICH-00665). (COI: MT905736, go to Genbank) Thailand, Yom River below dam at Ban Nun Nuea (18.484272, 100.157609).

UF_507716 (ICH-00666). (COI: MT905737, go to Genbank) Thailand, Yom River below dam at Ban Nun Nuea (18.484272, 100.157609) .

MUMNH_UNI0057. (16S: MT993692, 28S: MT993744, COI: MT993545, go to Genbank) Yom River at Huai Mai, Song, Pharae, Thailand (18° 25' 39.0" N, 100° 10' 20.4" E).