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 …

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 …

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 …

South America had an endemic mammalian fauna for much of the Cenozoic, largely evolved
during its long isolation. The predator guild was mainly occupied by metatherians …

Sparassodonts were the apex mammalian predators of South America throughout most of
the Cenozoic, diversifying into a wide array of niches including fox-like and even saber …

Abstract The Sparassodonta (Mammalia: Metatheria) were the principal group of
carnivorous mammals in Cenozoic South America and an important component of this …

ABSTRACT The Sparassodonta (Mammalia, Metatheria) are a group of carnivorous
mammals that dominated the macropredatory guild of South America during the Cenozoic …

Synapsids include modern mammals and their fossil ancestors, the non-mammalian
synapsids, or 'mammal-like reptiles' of old classifications. The synapsid fossil record extends …

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