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 …

The ascendancy of dinosaurs on land near the close of the Triassic now appears to have
been as accidental and opportunistic as their demise and replacement by therian mammals …

Deux impressionnants squelettes de Sinosauropteryx, provenant des strates du Jurassique
Crétacé à Liaoning dans le nord-est de la Chine, attirèrent une notoriété mondiale en 1996 …

Vertebrate palaeontology is a lively field, with new discoveries reported every week... and
not only dinosaurs! This new edition reflects the international scope of vertebrate …

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 …

Uncertainties in the phylogeny of birds (Avialae) and their closest relatives have impeded
deeper understanding of early theropod flight. To help address this, we produced an …

Mitochondrial cytochrome b (cytb) is among the most extensively sequenced genes to date
across the vertebrates. Here, we employ nearly 2,000 cytb gene sequences from GenBank …

Current controversy over the origin and early evolution of birds centres on whether or not
they are derived from coelurosaurian theropod dinosaurs. Here we describe two theropods …

ABSTRACT A detailed osteological description of Tyrannosaurus rex Osborn, 1905 is
presented, based primarily on the most complete specimen yet collected of this taxon …

Although the dinosaurian hypothesis of bird origins is widely accepted, debate remains
about how the ancestor of birds first learned to fly. Here we provide new evidence …