macracanthus, Onychostoma Pellegrin [J.] & Chevey [P.] 1936:24, Fig. 4 [Bulletin de la Société Zoologique de France v. 61 (no. 1); ref. 13734] Muong Hum, Vietnam. Lectotype: MNHN 1935-323. Paralectotypes: MNHN 1935-0324 (1) Kon Tum, 1935-0325 (1) Lai Chau. Type catalog: Bertin & Estève 1948:47 [ref. 19574]. Lectotype designated by Kottelat 2001:40 [ref. 25482] •Valid as Onychostoma macracanths Pellegrin & Chevey 1936 -- (Bănărescu 1971:245 [ref. 7666], Mai 1978:43 [ref. 13511]). •Valid as Varicorhinus macracanthus (Pellegrin & Chevey 1936) -- (Wu et al. 1977:319 [ref. 4807], Chu & Cui in Chu & Chen 1989:221 [ref. 13584], Zhu 1995:61 [ref. 25213]). •Possible synonym of Scaphiodonichthys acanthopterus (Fowler 1934) -- (Kottelat 2001:79 [ref. 25780]). •Valid as Scaphiodonichthys macracanthus (Pellegrin & Chevey 1936) -- (Shan 1997:12 [ref. 25091], Shan et al. in Yue 2000:148 [ref. 25272], Kottelat 2001:40 [ref. 25482], Kottelat 2013:159 [ref. 32989], Zhang et al. 2016:98 [ref. 34477]). Current status: Valid as Scaphiodonichthys macracanthus (Pellegrin & Chevey 1936). Cyprinidae: Barbinae. Distribution: China and Southeast Asia. Habitat: freshwater.