(1)
Yang, J.-H.; Wang, Y.-Y.; Zhang, B.; Lau, M. W.-N.; Chou, W.-H. Revision of the Diagnostic Characters of Opisthotropis Maculosa Stuart and Chuaynkern, 2007 With Notes on Its Distribution and Variation, and a Key to the Genus Opisthotropis (Squamata: Natricidae). Zootaxa 2011, 2785, 61–68.