The Amazonian rainforest is arguably the most species-rich terrestrial ecosystem in the
world, yet the timing of the origin and evolutionary causes of this diversity are a matter of …

The origin of extant neotropical biodiversity has been a controversial topic since the time of
Darwin. In this review, I discuss the timing of, and potential driving factors associated with …

Museo de La Plata, La Plata. Founded as: Museo Antropológico y Arqueológico de Buenos
Aires based on collections donated by Francisco Pascasio Moreno. Also as: Museo de …

The older history of hybrid zones is explored through consideration of recent advances in
climatology, paleontology and phylogeography in the Late Cenozoic, particularly the …

The Mexican transition zone (MTZ) is the complex area where the Neotropical and Nearctic
biotas overlap, including south-western United States, Mexico and a large part of Central …

Mexico is the country with the most significant herpetofaunal diversity and endemism in
Mesoamerica. Anthropogenic threats to Mexico's reptiles are growing exponentially …

We present a phylogenetic analysis of the New World dipsadids based on an expanded
data matrix that includes 246 terminal taxa including 196 dipsadids. The species are …

The herpetofauna of the state of Veracruz, Mexico, currently consists of 359 species,
including 76 anurans, 45 caudates, one caecilian, one crocodylian, 217 squamates, and 19 …

Both gene-tree discordance and unrecognized diversity are sources of error for accurate
estimation of species trees, and can affect downstream diversification analyses by obscuring …

Understanding how historical processes have either similarly, or differentially, shaped the
evolution of lineages or biotic assemblages is important for a broad spectrum of fields …