Roberto, I.J., Cardozo, D. and Ávila, R.W. 2013. A new species of Pseudopaludicola (Anura, Leiuperidae) from western Piauí State, Northeast Brazil. Zootaxa. 3636, 2 (Apr. 2013), 348–360. DOI:https://doi.org/10.11646/zootaxa.3636.2.6.