Series: Springer Earth System Sciences
237 pages, 35 colour & 22 b/w illustrations, 13 colour tables
A Brief History of South American Metatherians summarizes major aspects of the evolution of South American metatherians (one of two major mammalian clades), including their epistemologic, phylogenetic, biogeographic, faunal, tectonic, paleoclimatic, and metabolic contexts. A brief overview of the evolution of each major South American lineage ("Ameridelphia", Sparassodonta, Didelphimorphia, Paucituberculata, Microbiotheria, and Polydolopimorphia) is provided. It is argued that due to physiological constraints, metatherian evolution closely followed the conditions imposed by global temperatures. In general terms, during the Paleocene and the early Eocene multiple radiations of metatherian lineages occurred, with many adaptive types exploiting insectivorous, frugivorous, and omnivorous adaptive zones. In turn, a mixture of generalized and specialized types, the latter mainly exploiting carnivorous and granivorous-folivorous adaptive zones, characterized the second half of the Cenozoic. In both periods, climate was the critical driver of their radiation and turnovers.
2. South American Living Metatherians: Physiological Ecology and Constraints
3. Dispersal of Vertebrates from between the Americas, Antarctica, and Australia in the Late Cretaceous and Early Cenozoic
4. Evolutionary Contexts
5. Phylogeny and Diversity of South American Metatherians
6. Paleobiology and Adaptations of Paleogene Metatherians
7. Milestones in the Evolution of South American Metatherians
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