ROVITO, S. M.; PAPENFUSS, T. J.; VÁSQUEZ-ALMAZÁN, C. R. A new species of Sibon (Squamata: Colubridae) from the mountains of eastern Guatemala. Zootaxa, Auckland, New Zealand, v. 3266, n. 1, p. 62–68, 2012. DOI: 10.11646/zootaxa.3266.1.5. Disponível em: https://mapress.com/zt/article/view/zootaxa.3266.1.5. Acesso em: 19 apr. 2025.