Fraga, R. de et al. 2018. Notes on the rare Mastigodryas moratoi (Serpentes: Colubridae) in the Brazilian Amazon white-sand forests. Phyllomedusa: Journal of Herpetology. 17, 2 (Dec. 2018), 299–302. DOI:https://doi.org/10.11606/issn.2316-9079.v17i2p299-302.