chengtui, Zacco Kimura [Sh.] 1934:44, Pl. 2 (fig. 1) [Journal of the Shanghai Science Institute Section 3, v. 1; ref. 16434] Peng-hsien, near Chengtu, Szechwan Province, China. Holotype: 155-mm specimen (whereabouts unknown). Paratypes: (2) whereabouts unknown. •Valid as Zacco chengtui Kimura 1934 -- (Yang & Hwang 1964:46 [ref. 13497], Bănărescu 1968:307 [ref. 20605], Ding 1994:127 [ref. 21531], Zhu 1995:26 [ref. 25213], Chen & Chu in Chen et al. 1998:43 [ref. 23878], Yue & Chen 1998:66 [ref. 26415], Sado & Kimura 2002:353 [ref. 26498], Zhang et al. 2016:51 [ref. 34477]). •Valid as Opsariichthys chengtui (Kimura 1934) -- (Wang et al. 2019:[6] [ref. 36521], Guo 2021:89 [ref. 38617], Peng et al. 2024:28 [ref. 41610]). Current status: Valid as Opsariichthys chengtui (Kimura 1934). Xenocyprididae. Distribution: East Asia: upper Yangtze River basin, Sichuan Province, China. Habitat: freshwater.