dos Santos, Ednilza Maranhão, Iza Vilella Nunes Machado Tavares, Maria Laura Silva Santos, Jozélia Maria de Sousa Correia, Tatiane Clericuzi, y Yuri Marinho Valença. 2023. «New Record of an Alien Snake Pantherophis Guttatus (Squamata: Colubridae) in the State of Pernambuco, Brazil». Cuadernos De Herpetología 37 (1). http://ojs.aha.org.ar/index.php/CdH/article/view/85.