DI NICOLA, M. R. A revised dichotomous key to the snakes of Italy (Reptilia, Squamata, Serpentes), according to recent systematic updates. Zootaxa, Auckland, New Zealand, v. 4686, n. 2, p. 294–296, 2019. DOI: 10.11646/zootaxa.4686.2.10. Disponível em: https://mapress.com/zt/article/view/zootaxa.4686.2.10. Acesso em: 8 apr. 2025.