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 …

The Ankylosauria is a group of herbivorous, quadrupedal, armoured dinosaurs subdivided
into at least two major clades, the Ankylosauridae and the Nodosauridae. The most derived …

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 systematics of the genera and subgenera within the soft tick family Argasidae is not
adequately resolved. Different classification schemes, reflecting diverse schools of scientific …

Australian dinosaurs have played a rare but controversial role in the debate surrounding the
effect of Gondwanan break-up on Cretaceous dinosaur distribution. Major spatiotemporal …

The Winton Formation provides an important snapshot of Australia's late Mesozoic terrestrial
biota, boasting a vertebrate fauna that includes dinosaurs, crocodyliforms, aquatic …

Late Mesozoic palaeobiogeography has been characterized by a distinction between the
northern territories of Laurasia and the southern landmasses of Gondwana. The repeated …

The first fossil remains of vertebrates, invertebrates, plants and palynomorphs of the
Chorrillo Formation (Austral Basin), about 30km to the SW of the town of El Calafate …

The systematic relationships of taxa traditionally referred to as 'basal ornithopods' or
'hypsilophodontids' remain poorly resolved since it was discovered that these taxa are not a …

The idea that South America was an island continent over most of the Cenozoic, during
which its unusual mammalian faunas evolved in isolation, is outstandingly influential in …