The living tree sloths Choloepus and Bradypus are the only remaining members of Folivora,
a major xenarthran radiation that occupied a wide range of habitats in many parts of the …

Sloths, like other xenarthrans, are an extremely interesting group of mammals that, after a
long history of evolution and diversification in South America, became established on …

Phylogenetic relationships among sloths (Folivora) have been extensively studied in the
past few decades using maximum parsimony approaches. Recently, Bayesian phylogenetic …

Glossotherium phoenesis sp. nov. from the late Pleistocene of intertropical Brazil is
described and compared with Glossotherium robustum and Glossotherium tropicorum …

Macroevolutionary trends exhibited by retroviruses are complex and not entirely understood.
The sloth endogenized foamy-like retrovirus (SloEFV), which demonstrates incongruence in …

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 …

The Thalassocninae is a monogeneric subfamily of five species of Neogene sloths. Until
now, Thalassocnus has been considered as belonging to the Nothrotheriidae, a family of …

Among the several positive developments in xenarthran studies over the past 20 years have
been the training of and active participation by many new researchers, prospecting of …

New remains of a relatively plesiomorphic nothrotheriid sloth have been recovered from
upper Miocene-aged deposits near the village of Achiri in the Altiplano of Bolivia. The new …

Abstract Within the subfamily Scelidotheriinae, Valgipes bucklandi represents one of the
least known taxa due to its scarce records and material found so far. This Pleistocene …