tsinanensis, Leucogobio Mori [T.] 1928:63, Pl. 2 (fig. 1) [Japanese Journal of Zoology v. 2 (no. 1) (art. 4); ref. 15862] Lung-shan, Shantung, northern China. Holotype (unique): whereabouts unknown. •Synonym of Gnathopogon imberbis (Sauvage & Dabry de Thiersant 1874), but a valid subspecies -- (Bănărescu & Nalbant 1967:342 [ref. 20623]). •Valid as Gnathopogan tsinanensis (Mori 1928) -- (Lu et al. 1977:484 [ref. 2850], Zhu 1995:79 [ref. 25213], Cheng & Zhou 1997:164 [ref. 26385], Yue in Chen et al. 1998:309 [ref. 23878], Wang et al. 2001:130 [ref. 26566], Zhang et al. 2016:71 [ref. 34477]). Current status: Valid as Gnathopogon tsinanensis (Mori 1928). Gobionidae. Distribution: China. Habitat: freshwater.