Bibliography
Nascimento, L. B., U. Caramaschi, and C. A. G. Cruz . 2005. Taxonomic review of the species group of the genus Physalameus Fitzinger, 1826 with revalidation of the genera Engystomops Jimenez-de-la-Espada, 1872 and Eupemphix Steindachner, 1836 (Amphibia, Anura, Leptodactylidae). Arquivos do Museu Nacional. Rio de Janeiro 63: 297-320.
