de Albuquerque, Nelson Rufino, and Thales de Lema. 2012. “Description of the Second Known Specimen of Apostolepis intermedia (Serpentes, Colubridae, Xenodontinae)”. Zootaxa 3325 (1). Auckland, New Zealand:53–58. https://doi.org/10.11646/zootaxa.3325.1.4.