de Albuquerque, N.R. and de Lema, T. 2012. Description of the second known specimen of Apostolepis intermedia (Serpentes, Colubridae, Xenodontinae). Zootaxa. 3325, 1 (May 2012), 53–58. DOI:https://doi.org/10.11646/zootaxa.3325.1.4.