Guedes, Thaís B., Fausto E. Barbo, Daniella França, and Hussam Zaher. 2018. “Morphological Variation of the Rare Psammophilous Species Apostolepis gaboi (Serpentes, Dipsadidae, Elapomorphini)”. Zootaxa 4418 (5). Auckland, New Zealand:469–480. https://doi.org/10.11646/zootaxa.4418.5.4.