langsoni, Luciocyprinus Vaillant [L. L.] 1904:299 [3] [Bulletin du Muséum National d'Histoire Naturelle (Série 1) v. 10 (no. 6); ref. 4491] Song-Ki-Kong River at Lang-Son, Upper Tonkin, northern Vietnam. Holotype (unique): MNHN 1903-0433. Type catalog: Bertin & Estève 1948:22 [ref. 19574]. On p. 3 of separate. •Valid as Luciocyprinus langsoni Vaillant 1904 -- (Mai 1978:121 [ref. 13511], Chu & Cui in Chu & Chen 1989:159 [ref. 13584], Zheng et al. 1989:177 [ref. 21202], Zhu 1995:52 [ref. 25213], Yue & Chen 1998:113 [ref. 26415], Shan et al. in Yue 2000:84 [ref. 25272], Kottelat 2001:29 [ref. 25482], Zhang et al. 2016:90 [ref. 34477]). Current status: Valid as Luciocyprinus langsoni Vaillant 1904. Cyprinidae: Cyprininae. Distribution: China and Vietnam. Habitat: freshwater.