nicholsi, Gobio Fang [P.-W.] 1943:403 [Bulletin du Muséum National d'Histoire Naturelle (Série 2) v. 15 (no. 6); ref. 1306] Ningkwo (Suancheng), Anhwei Province, China. Holotype (unique): AMNH 8439. Replacement name for Leucogobio imberbis Nichols 1925, preoccupied by Gobio imberbis Sauvage & Dabrey de Thiersant 1874 when treated as congeneric. •Valid as Gnathopogon nicholsi (Fang 1943) -- (Bănărescu & Nalbant 1967:352 [ref. 20623], Lu et al. 1977:485 [ref. 2850], Zhu 1995:79 [ref. 25213], Yue in Chen et al. 1998:311 [ref. 23878], Zhang et al. 2016:71 [ref. 34477]). Replacement Name. Current status: Valid as Gnathopogon nicholsi (Fang 1943). Gobionidae. Distribution: China. Habitat: freshwater.