Prudente, Ana L.d.c., and Maria C. Dos Santos-Costa. “A New Species of Atractus Wagler, 1828 (Serpentes: Colubridae) from Eastern Amazonia, Brazil”. Zootaxa 1285, no. 1 (August 11, 2006): 21–29. Accessed April 26, 2025. https://mapress.com/zt/article/view/zootaxa.1285.1.2.