DAVID, P.; VOGEL, G. On the status of Helicops wettsteini Amaral, 1929, a senior synonym of Hypsiscopus murphyi (SERPENTES: Homalopsidae). Zootaxa, Auckland, New Zealand, v. 5415, n. 2, p. 300–308, 2024. DOI: 10.11646/zootaxa.5415.2.4. Disponível em: https://mapress.com/zt/article/view/zootaxa.5415.2.4. Acesso em: 29 apr. 2025.