The process by which successive groups using the same resources occupy the same
geographic area through time is frequently attributed to competition. Several authors have …

South America was isolated from other continents during most of the Cenozoic, developing a
singular mammalian fauna. In contrast to North America, Europe, Asia, and Africa, up to the …

The Sparassodonta was a clade of mammalian predators that evolved in South America
from the early Paleocene (? Tiupampan–Peligran) or early Eocene (Itaboraian) to the early …

This study investigates whether terrestrial mammalian carnivore guilds of ancient South
America, which developed in relative isolation, were similar to those of other continents. We …

This book summarizes the evolution of carnivorous mammals in the Cenozoic of South
America. It presents paleontological information on the two main mammalian carnivorous …

It was once thought that the endemic carnivorous mammals of South America, the
metatherian sparassodonts, were driven extinct by North American carnivorans through …

Abstract Sparassodontsin South America and hyaenodonts in Africa present an interesting
test case for comparing the evolutionary trajectories of ecologically similar clades on once …

South America has a rich fossil record that allows the reconstruction of the continental
communities during the Cenozoic. Florentino Ameghino was one of the earliest advocates of …

Carnivora is a clade of mammalian predators that evolved in northern continents during the
Paleocene, and since the Miocene have invaded the southern continents (ie, Africa and …

Sparassodontans are a diverse but now extinct group of metatherians that were apex
predators in South America during most of the Cenozoic. Studying their decline has been …