lepturus, Mystacoleucus Huang [S.-Y.] 1979:419 [English p. 421], Fig. 1 [Acta Zootaxonomica Sinica v. 4 (no. 4); ref. 8470] Tributary of Lancang Jiang, Mengna (Mengla) Xian, Xishuangbanna, Yunnan Province, China. Holotype: KIZ 736074. Paratypes: KIZ (26). Type catalog: Du et al. 348 [ref. 32939]. •Valid as Mystacoleucus lepturus Huang 1979 -- (Chu & Cui in Chu & Chen 1989:228 [ref. 13584], Zhu 1995:62 [ref. 25213], Shan et al. in Yue 2000:169 [ref. 25272], Kottelat 2001:61 [ref. 25780], Kottelat 2013:125 [ref. 32989], Zhang et al. 2016:91 [ref. 34477], Fu et al. 2021:9569 [ref. 39347], Taki et al. 2021:145 [ref. 39830]). Current status: Valid as Mystacoleucus lepturus Huang 1979. Cyprinidae: Cyprininae. Distribution: Southeast Asia: Mekong River basin, Yunnan (China) and Laos. Habitat: freshwater.