nahangensis, Placogobio Nguyen [V. H.] in Nguyen & Ngô 2001:556, Fig. 287 [Freshwater fishes of Viet Nam. Volume I. Family Cyprinidae v. 1; ref. 28301] Thác Mo, sông Gâm system, Na Hang, Tuyên Quang, Viêt Nam. Holotype: VNCNTTS I: H.01.108.01.01. Paratypes: VNCNTTS I: H.01.108.01.02 (1). Also spelled nahangenis on p. 573. •Valid as Placogobio nahangensis Nguyen 2001 -- (Kottelat 2013:142 [ref. 32989]). Current status: Valid as Placogobio nahangensis Nguyen 2001. Gobionidae. Distribution: Southeast Asia: Gam River drainage, Na Hang, Tuyen Quang, Vietnam. Habitat: freshwater.