We combined new sequence data for more than 300 muroid rodent species with our
previously published sequences for up to five nuclear and one mitochondrial genes to …

The vertebrate fossil record of the Pampean Region of Argentina occupies an important
place in South American vertebrate paleontology. An abundance of localities has long been …

Evolutionary radiations on continents are less well-understood and appreciated than those
occurring on islands. The extent of ecological influence on species divergence can be …

Most of the contemporary debate about the origin and early diversification of sigmodontine
rodents, the most diverse living subfamily of cricetids, is based on the analysis of molecular …

For many vertebrate species, bite force plays an important functional role. Ecological
characteristics of a species' niche, such as diet, are often associated with bite force. Previous …

Understanding the spatial distribution of species sheds light on the group's biogeographical
history, offers clues to the drivers of diversity, and helps to guide conservation strategies …

The Great American Biotic Interchange (GABI) was greatly influenced by the completion of
the Isthmus of Panama and impacted the composition of modern faunal assemblages in the …

Nephelomys albigularis is a sigmodontine rodent of the tribe Oryzomyini distributed in the
Andean forests from central Ecuador to central Peru. Although several studies recognize this …

Echimyidae is one of the most speciose and ecologically diverse rodent families in the
world, occupying a wide range of habitats in the Neotropics. However, a resolved phylogeny …

The tribe Oryzomyini is an impressive group of rodents, comprising 30 extant genera and an
estimated 147 species. Recent remarkable advances in the understanding of the diversity …