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

The diet of extinct giant Xenarthrans is a debated topic, especially for ground sloths, for
which herbivory, insectivory, and carnivory through scavenging or active hunting have been …

A well-preserved fetus of the extinct nothrotheriid sloth Nothrotherium maquinense,
recovered in situ within the skeletal remains of its mother from the karstic cave Toca da Boa …

Rod monochromacy is a rare condition in vertebrates characterized by the absence of cone
photoreceptor cells. The resulting phenotype is colourblindness and low acuity vision in dim …

Megaherbivores fulfilled a number of important ecological functions in terrestrial ecosystems
and behaved as ecological engineers since 300 million years until around 12,000 years …

Large cylindrical sediment-filled structures interpreted as mammal burrows occur within the
loess-paleosol sequence of the late Miocene Cerro Azul Formation of central Argentina. A …

In the last ten years, more than 1,500 large burrows have been discovered in southern and
southeastern Brazil, dug in rocks that include weathered granitic and basaltic rocks …

Pliocene and Pleistocene sedimentary successions in the Pampean region of Argentina
contain abundant and diverse fossil mammalian burrows. In this paper, we report fossil …

Here we describe an unusual fossil assemblage found inside a crotovine from the late
Pliocene Chapadmalal 'Formation'(Buenos Aires Province). This assemblage contains the …

This work updates the present knowledge about the tunnels excavated by Cenozoic
vertebrates in the four southernmost states of Brazil and discusses whether the producers of …