GÜNTHER, R. From a dwarf to a giant: Revalidation of Callulops valvifer (Barbour, 1910), (Amphibia, Anura, Microhylidae). Zootaxa, Auckland, New Zealand, v. 3641, n. 3, p. 271–281, 2013. DOI: 10.11646/zootaxa.3641.3.6. Disponível em: https://mapress.com/zt/article/view/zootaxa.3641.3.6. Acesso em: 22 apr. 2025.