[1]
J.-H. Yang, Y.-H. Sung, and B. P.-L. Chan, “A new species of the genus Opisthotropis Günther, 1872 (Squamata: Colubridae: Natricinae) from Guangdong Province, China”, Zootaxa, vol. 3646, no. 3, pp. 289–296, May 2013.