HALFFTER, G.; MORRONE, J. J. An analytical review of Halffter’s Mexican transition zone, and its relevance for evolutionary biogeography, ecology and biogeographical regionalization. Zootaxa, Auckland, New Zealand, v. 4226, n. 1, p. 1–46, 2017. DOI: 10.11646/zootaxa.4226.1.1. Disponível em: https://mapress.com/zt/article/view/zootaxa.4226.1.1. Acesso em: 3 apr. 2025.