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 …

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 …

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 …

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 …

The oldest unequivocal records of Dinosauria were unearthed from Late Triassic rocks
(approximately 230 Ma) accumulated over extensional rift basins in southwestern Pangea …

Patagonia has yielded the most comprehensive fossil record of Cretaceous theropods from
Gondwana, consisting of 31 nominal species belonging to singleton taxa and six families …

Dinosaurs were remarkably successful during the Mesozoic and one subgroup, birds,
remain an important component of modern ecosystems. Although the extinction of non-avian …

Interpreting key ecological parameters, such as diet, of extinct organisms without the benefit
of direct observation or explicit fossil evidence poses a formidable challenge for …

Abstract The Late Jurassic Tendaguru Formation of Tanzania, southeastern Africa, records a
rich sauropod fauna, including the diplodocoids Dicraeosaurus and Tornieria, and the …

Isolated theropod teeth are some of the most common fossils in the dinosaur fossil record
and are continually reported in the literature. Recently developed quantitative methods have …