Geographic distribution records for snakes of the Pernambuco Endemism Center (PEC). A Xenodon merremii and X. rabdocephalus B Xenopholis scalaris and X. undulatus C Micrurus corallinus, M. ibiboboca and M. potyguara D Epictia borapeliotes E Amerotyphlops amoipira and A. arenensis F A. brongersmianus and A. paucisquamus G Bothrops bilineatus and B. erythromelas H B. leucurus and B. muriciensis I Crotalus durissus and Lachesis muta.