The S outh A merican continent is composed of several biogeographical regions harbouring
the highest biodiversity on the globe, encompassing five of the world's biodiversity 'hot …

Phylogeographical inferences, applied in a comparative framework across multiple species
at a regional scale, provide the means for detecting regional and landscape-level patterns of …

Species are impacted by climate change at both ecological and evolutionary time scales.
Studies in northern continents have provided abundant evidence of dramatic shifts in …

We used molecular evidence to examine the roles that vicariance mechanisms (mountain‐
building and drainage changes during the Pleistocene) have played in producing …

We employed DNA sequence variation at two mitochondrial (control region, COI) regions
from 212 individuals of Galaxias platei (Pisces, Galaxiidae) collected throughout Patagonia …

Aim To infer areas of endemism for the tribe Oryzomyini in South America by employing a
database of species richness and geographical distribution, and to compare these results …

Quaternary glacial cycles have played an important role in shaping the biodiversity in
temperate regions. This is well documented in Northern Hemisphere, but much less …

The nominal species Oligoryzomys flavescens (yellow pygmy rice rat) appears in different
phylogenetic reconstructions as paraphyletic, forming a complex together with Oligoryzomys …

Aim Long‐term climatic variation has generated historical expansions and contractions of
species ranges, with accompanying fragmentation and population bottlenecks, which are …

Abstract The Patagonian and Fuegian regions host a rich assemblage of sigmodontine
rodents. In this article, we present a synthesis of our current understanding of their late …