Few studies have demonstrated historical human impact on biodiversity at local and
regional scales, largely due to lack of baseline information and long term monitoring for most …

Abstract Aim Tropical South America, in particular Amazonia, has been identified as the area
of the basal diversification of several large mammal clades. Whether this scenario also holds …

Twenty Y five years ago, an isolated mammalian molar from the Late Cretaceous Los
Alamitos Formation, Patagonia, Argentina was reported by Bonaparte and Soria (1985). The …

Background The hystricognath rodents of the New World, the Caviomorpha, are a diverse
lineage with a long evolutionary history, and their representation in South American fossil …

Biological communities in Mexico experienced profound changes in species composition
and structure as a consequence of the environmental fluctuations during the Pleistocene …

Abstract The Pampas of South America represents one of the most extended subtropical–
temperate grasslands in the world. This ecoregion was influenced by Pleistocene climate …

Understanding local-scale patterns of vertebrate species persistence or extirpation in the
Anthropocene is a central challenge in conservation ecology. Based on real-world …

Elisabeth S. Vrba's resource-use hypothesis suggests that speciation in biomes subjected to
successive expansion-contraction-fragmentation during periods of climatic change …

Figure 1 Archaeological and palaeo direct Late Pleistocene/Early Holoce Circles represent
sites with no evide whereas triangles represent sites with Cuvieri; 2, Escrivania 5; 3, Gruta …

The xenarthrans (Mammalia: Xenarthra) from the Museo Argentino de Ciencias Naturales
«Bernardino Rivadavia» and the Museo de La Plata (Argentina). In this work we performed …