MUSSELpdb

Taxonomy

all genera

Unionidae

Species & Genus Richness of
freshwater mussels
by Taxonomy

Species & Genus Richness of
freshwater bivalves
by Family

Geography

Species Richness & Endemism of
freshwater mussels
by Geography

Data last updated
Thu 22 January 2026

species Ensidens jaculus (Rochebrune, 1882): specimens

1 available nominal species synonym (2 total synonyms)

Recent Taxonomic Opinions

Ensidens ingallsianus — IUCN (2012)
Ensidens sp. — Lopes-Lima et al. (2017), Zieritz et al. (2020)
Ensidens sp. 1 — Bolotov et al. (2017), Bolotov et al. (2017), Bolotov et al. (2018), Huang et al. (2019), Konopleva et al. (2019), Konopleva et al. (2019), Bolotov et al. (2020)
Ensidens sp. 2 — Konopleva et al. (2019), Bolotov et al. (2020)
Ensidens sagittarius B3 — Muanta et al. (2019)
Ensidens jaculus — Pfeiffer et al. (2021), Jeratthitikul et al. (2021), Konopleva et al. (2023)

Range

Mekong Basin, Cambodia, Thailand, and Laos.

Map of Georeferenced Specimens

specimens map of Ensidens jaculus

MUSSELp Specimen Records

SMF_MP_07

MNHN_MP_3617
Cochinchine

Cambodia

MNHN_IM-2000-1724 Rapides de Sombor	MNHN_IM-2000-1724 Rapides de Sombor	UF_507412 Unknown tributary of Mekong just N of Phumi Prêk Krieng on AH11. CA16-07. 13.04014, 106.18086
UF_507405 Unknown tributary of Mekong just N of Phumi Prêk Preah on AH11. CA16-06. 13.15123, 106.14521

Laos

NCSM_84902 Asia, Mekong Basin/Mekong R. Laos, Khammouan, Thakhek Co. Houay Karnbeung, small stream arising at cave near Ban Khounephavang [Kouanphavang], Nam Done drainage, 14 [air] km from Thakhek road to Gnommalath, [0.92 air miles WNW center Xianliab]. 17.45781° N, 104.9263° E	NCSM_84902 Asia, Mekong Basin/Mekong R. Laos, Khammouan, Thakhek Co. Houay Karnbeung, small stream arising at cave near Ban Khounephavang [Kouanphavang], Nam Done drainage, 14 [air] km from Thakhek road to Gnommalath, [0.92 air miles WNW center Xianliab]. 17.45781° N, 104.9263° E	SMF_319286 Laos: Mekong at Cham Pasak
SMF_319286 Laos: Mekong at Cham Pasak	UMMZ_248795 Laos: Mekong River at Khong, South Laos	SMF_188664 Laos: Se Bang Fai River Opposit Tat Panom; near Ban Pakse

Thailand

UF_507806 Bo River at confluence with Mekong River at Third Thai-Lao Friendship Bridge. TH16-40. 17.491, 104.726	UF_507810 Chanot Creek at bridge W of Ban Phon Kho. TH16-41. 17.226, 104.744	USNM_786316 Huai Thuai, Ta Uthen, Nakon, Thailand
UF_507814 Kam River at Rt. 212 bridge N of Ban Fang Daeng. TH16-43. 16.932, 104.686	USNM_361019 L. Nong Hang Sai, Siam	USNM_361019 L. Nong Hang Sai, Siam
USNM_405732 Nong Hai, Sakon Nakon, E. Siam	SMF_319284 Nong Han Lake, Sakon Nakon	SMF_319284 Nong Han Lake, Sakon Nakon
SMF_188665 Nong Han, Sakon Nakon	USNM_419872 Nong Lahan, Sakon Nakon, E. Siam	TMMUBI_57 Sakon Nakon, Nong Han
SMF_319285 Thailand: Nong Han, Sakon Nakon	SMF_319285 Thailand: Nong Han, Sakon Nakon	UF_507823 Thom River at Rt. 2034 bridge. TH16-45. 16.122, 105.031
UF_507800 Thuai River at Rt. 212 bridge S of Tha Uthen. TH16-39. 17.562, 104.609

Genbank Vouchers

Georeferenced Genbank Vouchers

Cambodia

UF_507412 (ICH-00536). (COI: MT905671, go to Genbank) Cambodia, Unknown tributary of Mekong just N of Phumi Prêk Krieng on AH11 (13.040143, 106.180864).

UF_507405 (ICH-00514_AHE). (COI: MT905660, go to Genbank) Cambodia, Unknown tributary of Mekong just N of Phumi Prêk Preah on AH11 (13.151229, 106.145211).

UF_507405 (ICH-00514). (COI: MT905659, SRA: SRX8934358, go to Genbank) ditto.

UF_507405 (ICH-00515). (COI: MT905661, go to Genbank) ditto.

Laos

NCSM_84902. (28S: KX822599, COI: KX822642, go to Genbank) Asia, Mekong Basin/Mekong R. Laos, Khammouan, Thakhek Co. Houay Karnbeung, small stream arising at cave near Ban Khounephavang, Nam Done drainage, 14 km from Thakhek road to Gnommalath. 17.45781° N, 104.9263° E.

Thailand

MUMNH_UNI0259. (16S: MT993688, 28S: MT993740, COI: MT993542, go to Genbank) Kam River at Na Khu, Na Kae, Nakhon Phanom, Thailand (16° 57' 29.2" N, 104° 30' 16.3" E).

UF_507806 (ICH-00842). (COI: MT905814, go to Genbank) Thailand, Bo River at confluence with Mekong River at Third Thai-Lao Friendship Bridge (17.490645, 104.726058) .

UF_507810 (ICH-00847). (COI: MT905815, go to Genbank) Thailand, Chanot Creek at bridge W of Ban Phon Kho (17.22559, 104.744409) .

UF_507810 (ICH-00848). (COI: MT905816, go to Genbank) ditto.

UF_507814 (ICH-00854). (COI: MT905818, go to Genbank) Thailand, Kam River at Rt. 212 bridge N of Ban Fang Daeng (16.932132, 104.685558) .

UF_507823 (ICH-00871). (COI: MT905828, go to Genbank) Thailand, Thom River at Rt. 2034 bridge (16.122257, 105.030754) .

UF_507823 (ICH-00873). (COI: MT905830, go to Genbank) ditto.

UF_507823 (ICH-00874). (COI: MT905831, go to Genbank) ditto.

UF_507800 (ICH-00829). (COI: MT905808, go to Genbank) Thailand, Thuai River at Rt. 212 bridge S of Tha Uthen (17.562192, 104.609067) .

UF_507800 (ICH-00830). (COI: MT905809, go to Genbank) ditto.