Costa, Henrique C. “New Record and Updated Distribution Map of the Rare Amphisbaena Spurrelli (Amphisbaenia: Amphisbaenidae)”. Phyllomedusa: Journal of Herpetology, vol. 19, no. 2, Dec. 2020, pp. 259-66, https://doi.org/10.11606/issn.2316-9079.v19i2p259-266.