nigromarginis, Hemiculter Yih [P.-L.] & Wu [C.-K.] 1964:91, Fig. 2-26 [The cyprinid fishes of China v. 1; ref. 13499] Mu-dung and Wu-dung River, Sechuan, China. Syntypes: (19). •Synonym of Hemiculter tchangi Fang 1942 -- (Ding 1994:217 [ref. 21531], Luo & Chen in Chen et al. 1998:166 [ref. 23878], Tang et al. 2001:12 [ref. 25373], Zhang et al. 2019:177 [ref. 36699], Guo 2021:145 [ref. 38617]). •Valid as Hemiculter nigromarginis Yih & Wu 1964 -- (Zhu 1995:39 [ref. 25213], Vasil'eva et al. 2022:8 [ref. 38982]). Current status: Valid as Hemiculter nigromarginis Yih & Wu 1964. Xenocyprididae. Distribution: Yangtze River basin, China. Habitat: freshwater.