Giri, Rohit, Roshan Giri, and Kamal Devkota. “An Unusually Dark Common Trinket Snake, Coelognathus Helena (Daudin 1803) (Colubridae), from Nepal ”. Reptiles & Amphibians 27, no. 2 (July 20, 2020): 247–248. Accessed November 24, 2024. https://journals.ku.edu/reptilesandamphibians/article/view/14195.