Sean D. Bell: Aplodontid, Sciurid, Castorid, Zapodid and Geomyoid Rodents of the Rodent Hill Locality, Cypress Hills Formation, Southwest Saskatchewan. Saskatoon, Dezember 2004 (PDF; 6.092 KB).
Céline Poux, Pascale Chevret, Dorothée Huchon, Wilfried W. de Jong, Emmanuel J. P. Douzery: Arrival and Diversification of Caviomorph Rodents and Platyrrhine Primates in South America. In: Systematic Biology. Jg. 55, Nr. 2, April 2006, pàg. 228-244, ISSN 1063-5157