Title:Influence of Tertiary paleoenvironmental changes on the diversification of South American mammals: A relaxed molecular clock study within xenarthrans
Title:Revisión de las especies del género Hyperdidelphys Ameghino, 1904 (Mammalia, Marsupialia, Didelphidae) : Su significación filogenética, estratigráfica y adaptativa en el Neógeno del Cono Sur sudamericano / Revision of species of the genus Hyperdidelphys Ameghino, 1904 (Mammalia, Marsupialia, Didelphidae). Their phylogenetic, stratigraphic and adaptive significance in the Neogene of the cone of South America