imberbis, Leucogobio Nichols [J. T.] 1925:6 [American Museum Novitates No. 185; ref. 3180] Ningkwo (Suancheng), Anhwei Province, China. Holotype: AMNH 8439. Subjectively invalid; secondarily preoccupied by Gobio imberbis Sauvage & Dabrey de Thiersant 1874, replaced by Gobio nicholsi Fang 1943. •Synonym of Gnathopogon nicholsi (Fang 1943) -- (Bănărescu & Nalbant 1967:352 [ref. 20623], Lu et al. 1977:485 [ref. 2850], Yue in Chen et al. 1998:311 [ref. 23878]). 2°Homonym. Current status: Synonym of Gnathopogon nicholsi (Fang 1943). Gobionidae. Habitat: freshwater.