Dal Vechio, Francisco, et al. “The Herpetofauna of Parque Nacional Da Serra Das Confusões, State of Piauí, Brazil, With a Regional Species List from an Ecotonal Area of Cerrado and Caatinga”. Biota Neotropica, vol. 16, no. 3, Jan. 2016, https://www.biotaneotropica.org.br/BN/article/view/1398.