L. F. Ribeiro, Ana C. R. Alves, Célio F. B. Haddad und Sérgio F. Reis: Two new species of Brachycephalus from Paraná State, southern Brazil (Anura, Brachycephalidae). Boletim Museu Nacional Zoologia, 519, S. 1–18, 2005doi:10.1655/05-41.1
Ana C. R. Alves, L. F. Ribeiro, Célio F. B. Haddad und Sérgio F. Reis: Two new species of Brachycephalus (Anura: Brachycephalidae) from the Atlantic forest in Paraná State, southern Brazil. Herpetologica, 62, S. 221–233, 2006 doi:10.1655/05-41.1
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S. B. Hedges, W. E. Duellman, & M. P. Heinicke: New World direct-developing frogs (Anura: Terrarana): Molecular phylogeny, classification, biogeography, and conservation. Zootaxa, 1737, S. 1–182, 2008 PDF Abstract