Passos, P., Ramos, L. O., Pinna, P. H., & Prudente, A. L. (2013).

Morphological variation and affinities of the poorly known snake Atractus caxiuana (Serpentes: Dipsadidae) 

. Zootaxa, 3745(1), 35–48. https://doi.org/10.11646/zootaxa.3745.1.3