Eomakhaira molossus: A new species of small saber-toothed Sparassodont Marsupial from the Early Oligocene of Chile.
[sciencythoughts.blogspot.com]
The Sparassodonta, an extinct group of Metatherians (Marsupials and their extinct relatives), were the dominant group of carnivorous mammals in South America from the early Paleocene (Tiupampan South American Land Mammal Age) to the late early Pliocene (Chapadmalalan South American Land Mammal Age), sharing the ecological role of large terrestrial predator with Phorusrhacid Birds and Sebecid Crocodyliforms during the continent’s long Cenozoic isolation. Sparassodonts occupied many of the niches filled by Placental Carnivorans and 'Creodonts' on other continents and often strongly converged with these groups in morphology. Perhaps the best-known example of this phenomenon is the Thylacosmilinae (Thylacosmilidae of most previous authors), a group of Sparassodonts whose striking morphological resemblance to Placental sabertooths literally makes them a textbook example of convergent evolution.
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