↑Gan, X., Lan, J.-H. & Zhang, E., 2009. Metzia longinasus, a new cyprinid species (Teleostei: Cypriniformes) from the Pearl River drainage in Guangxi Province, South China. Ichthyological Research, 56 (1): 55-61.
↑Jordan, D. S. & Thompson, W. F., 1914. Record of the fishes obtained in Japan in 1911. Memoirs of the Carnegie Museum v. 6 (núm. 4): 205-313, Pls. 24-42.