Darrel R. Frost, Taran Grant, Julián Faivovich, Raoul H. Bain, Alexander Haas, Celio F. B. Haddad, Rafael O. de Sá, A. Channing, Mark Wilkinson, Stephen C. Donnellan, Christopher J. Raxworthy, Jonathan A. Campbell, Boris L. Blotto, Paul E. Moler, Robert C. Drewes, Ronald A. Nussbaum, John D. Lynch, David M. Green und Ward C. Wheeler: The amphibian tree of life. Bulletin of the American Museum of Natural History, 297, S. 1–370, 2006 Volltext
pnas.org
Susan E. Evans, Marc E. H. Jones, David W. Krause: A giant frog with South American affinities from the Late Cretaceous of Madagascar. Proc. Natl. Acad. Sci. USA, 10.1073/pnas.0707599105 Abstract