Torres-Carvajal, O. et al. 2019. Morphology and distribution of the South American snake Chironius leucometapus (Serpentes: Colubridae). Phyllomedusa: Journal of Herpetology. 18, 2 (Dec. 2019), 241–254. DOI:https://doi.org/10.11606/issn.2316-9079.v18i2p241-254.