GORDON, M. L.; COLVILLE, J. F.; ENGELBRECHT, A.; COULDRIDGE, V. C. K. Ancient Grasshoppers: A revision of the genus Bullacris (Orthoptera: Pneumoridae). Zootaxa, Auckland, New Zealand, v. 5474, n. 4, p. 301–354, 2024. DOI: 10.11646/zootaxa.5474.4.1. Disponível em: https://mapress.com/zt/article/view/zootaxa.5474.4.1. Acesso em: 3 apr. 2025.