Frost, Darrel R. (2013). "Calyptocephalellidae, Reig 1960". Amphibian Species of the World 6.0, an Online Reference. American Museum of Natural History. Retrieved 19 September 2014.
Otero, R.A.; P. Jimenez-Huidobro; S. Soto-Acuña; R.E.Yury-Yáñez (2014). "Evidence of a giant helmeted frog (Australobatrachia, Calyptocephalellidae) from Eocene levels of the Magallanes Basin, southernmost Chile". Journal of South American Earth Sciences. 55: 133–140. Bibcode:2014JSAES..55..133O. doi:10.1016/j.jsames.2014.06.010.
Otero, R.A.; P. Jimenez-Huidobro; S. Soto-Acuña; R.E.Yury-Yáñez (2014). "Evidence of a giant helmeted frog (Australobatrachia, Calyptocephalellidae) from Eocene levels of the Magallanes Basin, southernmost Chile". Journal of South American Earth Sciences. 55: 133–140. Bibcode:2014JSAES..55..133O. doi:10.1016/j.jsames.2014.06.010.