Morphology forms the most fundamental level of data in vertebrate palaeontology because it
is through interpretations of morphology that taxa are identified, creating the basis for broad …

Birds are one of the most recognizable and diverse groups of modern vertebrates. Over the
past two decades, a wealth of new fossil discoveries and phylogenetic and …

Large-scale adaptive radiations might explain the runaway success of a minority of extant
vertebrate clades. This hypothesis predicts, among other things, rapid rates of morphological …

The intersection of paleontology and biomechanics can be reciprocally illuminating, helping
to improve paleobiological knowledge of extinct species and furthering our understanding of …

Archosaurs have a 250 million year record that originated shortly after the Permian-Triassic
extinction event and is continued today by two extant clades, the crocodylians and the …

The evolution of birds from theropod dinosaurs was one of the great evolutionary transitions
in the history of life [1–22]. The macroevolutionary tempo and mode of this transition is …

Background Body size is intimately related to the physiology and ecology of an organism.
Therefore, accurate and consistent body mass estimates are essential for inferring …

Se presenta un análisis del listado actualizado de las aves de México, con enfoques
taxonómicos actuales y abarcando todas aquellas especies que tengan registros recientes …

Tetanuran theropods represent the majority of Mesozoic predatory dinosaur diversity and
the lineage leading to extant Aves. Thus their history is relevant to understanding the …

Background The origin of birds is one of the most enduring and dramatic evolutionary
debates. The hypothesis that the primarily small-sized birds are nested within a theropod …