Diaz, Monica; Barquez, Rubén; Verzi, Diego (2015-03-15), Genus Octodon, University of Chicago Press, pp. 1029–1034, ISBN978-0-226-16957-6, retrieved 2021-10-18
Diaz, Monica; Barquez, Rubén; Verzi, Diego (2015-03-15), Genus Octodon, University of Chicago Press, pp. 1029–1034, ISBN978-0-226-16957-6, retrieved 2021-06-08