A Brief History of South American Metatherians: Evolutionary by Francisco Goin,Michael Woodburne,Ana Natalia Zimicz,Gabriel

By Francisco Goin,Michael Woodburne,Ana Natalia Zimicz,Gabriel M. Martin,Laura Chornogubsky

This ebook summarizes significant elements of the evolution of South American metatherians, together with their epistemologic, phylogenetic, biogeographic, faunal, tectonic, paleoclimatic, and metabolic contexts. a short review of the evolution of every significant South American lineage ("Ameridelphia", Sparassodonta, Didelphimorphia, Paucituberculata, Microbiotheria, and Polydolopimorphia) is provided. It is argued that as a result of physiological constraints, metatherian evolution heavily the stipulations imposed through international temperatures. typically phrases, in the course of the Paleocene and the early Eocene a number of radiations of metatherian lineages happened, with many adaptive varieties exploiting insectivorous, frugivorous, and omnivorous adaptive zones. In flip, a mix of generalized and really good forms, the latter typically exploiting carnivorous and granivorous-folivorous adaptive zones, characterised the second one 1/2 the Cenozoic. In either classes, weather was once the severe motive force in their radiation and turnovers.

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