Roberto, I. J., Santos, E. M. D., & de Carvalho, T. R. (2019). The vocalization of Gastrotheca fissipes (Boulenger, 1888) (Anura, Hemiphractidae) from the state of Pernambuco, northeastern Brazil. Zootaxa, 4543(2), 284–286. https://doi.org/10.11646/zootaxa.4543.2.6