Laurent, R. F. “Heterogenity of the Genus Batrachophrynus Peters (Leptodactylidae)”. Acta Zoológica Lilloana, vol. 37, no. 1, Oct. 2020, pp. 106-13, https://www.lillo.org.ar/journals/index.php/acta-zoologica-lilloana/article/view/1066.