elongatus, Crossochilus Pellegrin [J.] & Chevey [P.] 1934:340, 468, Fig. 3 (addendum) [Bulletin de la Société Zoologique de France v. 59 (no. 4); ref. 16448] Ngoi-Thai River at Nghia Lô, Tonkin, northern Vietnam. Holotype: MNHN 1934-263. Paratypes: (1) IOI 464 (1); MGHNL 42000281 [3584B] (1). Type catalog: Bertin & Estève 1948:54 [ref. 19574], Kottelat 1987:22 [ref. 11434]. Original genus is correctly Crossocheilus. See Kottelat 2000:38 [ref. 25040]. •Valid as Crossochilus elongatus Pellegrin & Chevey 1934 -- (Mai 1978:104 [ref. 13511]). •Valid as Acrossocheilus elongatus (Pellegrin & Chevey 1934) -- (Wu et al. 1977:284 [ref. 4807], Chu & Cui in Chu & Chen 1989:204 [ref. 13584], Zheng et al. 1989:182 [ref. 21202], Chen et al. in Pan et al. 1991:149 [ref. 23876], Zhu 1995:58 [ref. 25213], Shan et al. in Yue 2000:110 [ref. 25272], Zhang et al. 2016:92 [ref. 34477]). •Valid as Onychostoma elongatum (Pellegrin & Chevey 1934) -- (Kottelat 2000:84 [ref. 25486], Kottelat 2001:31 [ref. 25482], Kottelat 2001:63 [ref. 25780], Xin et al. 2009:261 [ref. 30708], Kottelat 2013:129 [ref. 32989]). Current status: Valid as Onychostoma elongatum (Pellegrin & Chevey 1934). Cyprinidae: Acrossocheilinae. Distribution: Vietnam and China. Habitat: freshwater.