Otero, R.A. & Oyarzún, J.L. & Soto-Acuña, S. & Yury-Yáñez, R.E. & Gutierrez, N.M. & Le Roux, J.P. & Torres, T. & Hervé, F. (2013)
Neoselachians and Chimaeriformes (Chondrichthyes) from the latest Cretaceous-Paleogene of Sierra Baguales, southernmost Chile. Chronostratigraphic, paleobiogeographic and paleoenvironmental implications. Journal of South American Earth Sciences, 48, 13–30
DOI: 10.1016/j.jsames.2013.07.013

Otero, R.A. & Torres, T. & Le Roux, J.P. & Herve, F. & Fanning, C.M. & Yury-Yáñez, R.E. & Rubilar-Rogers, D. (2012)
A Late Eocene age proposal for the Loreto Formation (Brunswick Peninsula, southernmost Chile), based on fossil cartilaginous fishes, paleobotany and radiometric evidence. Andean Geology, 39(1), 180–200