J. da S. Jorge, R. F. D. Sales, M. N. de C. Kokubum, and E. M. X. Freire, “On the natural history of the Caatinga Horned Frog, Ceratophrys joazeirensis (Anura: Ceratophryidae), a poorly known species of northeastern Brazil”, Phyllomedusa, vol. 14, no. 2, pp. 147–156, Dec. 2015, doi: 10.11606/issn.2316-9079.v14i2p147-156.