David, Patrick, Ishan Agarwal, Ramana Athreya, Rosamma Mathew, Gernot Vogel, and Viral K. Mistry. “Revalidation of Natrix clerki Wall, 1925, an Overlooked Species in the Genus Amphiesma Duméril, Bibron &Amp; Duméril, 1854 (Squamata: Natricidae)”. Zootaxa 3919, no. 2 (February 17, 2015): 375–395. Accessed April 20, 2025. https://mapress.com/zt/article/view/zootaxa.3919.2.9.