nigrimembranis, Gobius (Chaenogobius) Wu [H.-W.] & Wang [K. F.] 1931:4, Fig. 3 [Contributions from the Biological Laboratory of the Science Society of China. (Zoological Series) v. 8 (no. 1); ref. 16407] Chefoo, Shantung Province, China. Syntypes: ?Mus. Biol. Lab. Sci. Soc. China 7446, 7280 (whereabouts unknown). •Status uncertain -- (Stevenson 2002:307 [ref. 26489]). •Valid as Gymnogobius nigrimembranis (Wu & Wang 1931) -- (Lindberg & Krasyukova 1975:379 [ref. 7348], Parenti 2021:295 [ref. 38603]). Current status: Valid as Gymnogobius nigrimembranis (Wu & Wang 1931). Oxudercidae: Gobionellinae. Distribution: Northwestern Pacific Ocean: China. Habitat: marine.