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 1973001148 [ex 736074]. Paratypes: (26) KIZ 1973001162 [ex 736073] (1),1973001164-67 [ex 736212-15] (4), 1973001168 [ex 735270] (1), 1973001281 [ex 745160] (1), 1973001282 [ex 745033] (1), 1973001283 [ex 745047] (1), 1973001284 [ex 745099] (1), 1973001149-57 [ex 736238-46] (9), 1973001158-61 [ex 736288-91] (4), 1974001280 [ex 745045] (1) Type catalog: Du et al. 348 [ref. 32939], Min et al. 2026:121 [ref. 42825]. •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.