NGUYEN, T. V.; VOGEL, G. On the taxonomy of Sibynophis grahami (Boulenger, 1904) with remarks on morphology, distribution, natural history, and conservation status (Squamata: Sibynophiidae: Sibynophis). Zootaxa, Auckland, New Zealand, v. 5618, n. 4, p. 525–551, 2025. DOI: 10.11646/zootaxa.5618.4.4. Disponível em: https://mapress.com/zt/article/view/zootaxa.5618.4.4. Acesso em: 6 apr. 2025.