laticeps, Onychostoma Günther [A.] 1896:211 [13], Pl. 1 (fig. B) [Ezhegodnik, Zoologicheskago Muzeya Imperatorskoi Akademii Nauk 1896, v. 1 (no. 3); ref. 2019] Southern Kansu, River near Hui-hsien, China. Holotype (unique): ? ZISP. On p. 13 of separate. •Synonym of Onychostoma sima (Sauvage & Dabry de Thiersant 1874) -- (Bănărescu 1971:243 [ref. 7666]). •Synonym of Varicorhinus simus (Sauvage & Dabry de Thiersant 1874) -- (Wu et al. 1977:308 [ref. 4807]). •Valid as Onychostoma laticeps Günther 1896 -- (Mai 1978:40 [ref. 13511]). •Synonym of Onychostoma simum (Savage & Dabry de Thiersant 1874) -- (Kottelat 2013:130 [ref. 32989]). Current status: Synonym of Onychostoma simum (Sauvage & Dabry de Thiersant 1874). Cyprinidae: Acrossocheilinae. Distribution: China (if valid). Habitat: freshwater.