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 …

Turtles of the total Clade Pan-Chelidae have a relatively poor fossil record, which is
completely restricted from the Early Cretaceous to Recent of South America and Australasia …

The deposits of the Chorrillo Formation (Maastrichtian) were accumulated during a
'continental window'that occurred during the Late Cretaceous in the Austral-Magallanes …

In the dusk of the Mesozoic, advanced duck-billed dinosaurs (Hadrosauridae) were so
successful that they likely outcompeted other herbivores, contributing to declines in dinosaur …

Abstract The La Colonia Formation is an Upper Cretaceous to Paleogene shallow marine
sedimentary unit in Chubut Province (Patagonia), Argentina that preserves important …

A well preserved skeleton of a new abelisaurid is reported here. The holotype of Viavenator
exxoni was found in the outcrops of the Bajo de la Carpa Formation (Santonian, Upper …

The fossil record of ornithischians in South America is sparse, and they are clearly
underrepresented when compared with sauropod dinosaurs. However, recent discoveries …

Frogs (Anura) are nowadays common and abundant constituents of terrestrial and
freshwater ecosystems near globally and their fossil record shows that they were already …

Aucasaurus garridoi is an abelisaurid theropod from the Anacleto Formation (lower
Campanian, Upper Cretaceous) of Patagonia, Argentina. The holotype of Aucasaurus …

Polycotylidae is a clade of plesiosaurians that appeared during the Early Cretaceous and
became speciose and abundant early in the Late Cretaceous. However, this radiation is …