Typový druh
Placogobio nahangensis Nguyen, 2001
Původní popis
Nguyen, V. H. & S. V. Ngo. 2001. Ca nuoc ngot Viet Nam. Tap I. Ho ca chep (Cyprinidae). [Freshwater fishes of Viet Nam. Volume I. Family Cyprinidae]. Ca Nuoc Ngot Viet Nam v. 1: 1-622.
Použitá literatura
- Fricke, R., Eschmeyer, W. N. & Van der Laan, R. (eds) 2024. Eschmeyer's catalog of fishes: Genera, species, references. World Wide Web electronic publication.