Prudente, A. L. and Santos-Costa, M. C. D. (2006) “A new species of Atractus Wagler, 1828 (Serpentes: Colubridae) from Eastern Amazonia, Brazil”, Zootaxa. Auckland, New Zealand, 1285(1), pp. 21–29. doi: 10.11646/zootaxa.1285.1.2.