Tschudi, J. J. (1838). Classification der Batrachier, mit Berücksichtigung der fossilen Thiere dieser Abtheilung der Reptilien. <em>Mémoires de la Société des Sciences Naturelles de Neuchâtel.</em> 2:1-100.
Frost, Darrel R., 1997: null. Amphibian Species of the World, A Taxonomic and Geographic Reference. Second edition.
Neave, S. A. and successors. (1939-2004). Nomenclator Zoologicus, vols. 1-10 online. [developed by uBio, hosted online at MBLWHOI Library].
Neave, S. A. and successors. (1939-2004). Nomenclator Zoologicus, vols. 1-10 online. [developed by uBio, hosted online at MBLWHOI Library].
SN2000/Frost, 2004
SN2000/Frost, 2004
Tschudi, J. J. (1838). Classification der Batrachier, mit Berücksichtigung der fossilen Thiere dieser Abtheilung der Reptilien. <em>Mémoires de la Société des Sciences Naturelles de Neuchâtel.</em> 2:1-100.