Title:Contribución al conocimiento de los representantes extintos de Lutreolina Thomas, 1910 (Mammalia, Marsupialia, Didelphidae) / Contribution to the knowledge of living representatives of the genus Lutreolina Thomas, 1910 (Mammalia, Marsupialia, Didelphidae)
Title:Un nuevo Glyptodontidae (Mammalia, Xenarthra, Cingulata) del Mioceno de Patagonia (Argentina) y comentarios acerca de la sistemática de los gliptodontes friasenses / A new Glyptodontidae (Mammalia, Xenarthra, Cingulata) from the Miocene of Patagonia (Argentina) and comments about the systematics of the "Friasian" glyptodonts