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 …

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

The end Cretaceous mass extinction was marked by a dramatic change in biodiversity, and
the extinction of all non-avian dinosaurs. To understand the diversity of dinosaur clades prior …

Abstract The Cerro Fortaleza Formation is a stratigraphic unit that crops out near the Cerro
Fortaleza hill, northwestern Santa Cruz province, Argentina. This unit has been well-known …

Fossil plants, including large trunks, stems, some branches, and twigs, were collected from
the Maastrichtian (68.9 Ma), upper Dorotea Formation in the Magallanes–Austral Basin, 16 …

Sphenodontids are a group of reptiles that were diverse and global for much of the Mesozoic
but today they are only represented by the New Zealand tuatara. Here we describe new …

Studies on the environmental dynamics of high energy beach systems have to deal with
factors as diverse as wave energy, coastal currents and tidal amplitude. Their interaction …

Abstract The Cretaceous/Paleogene boundary (K/Pg) event, associated with a meteorite
impact at Chicxulub, Mexico, is globally recognized as one of the largest mass extinctions in …

The aim of the present contribution is to describe new materials of lepidosaur reptiles
coming from the late Cretaceous (Maastrichtian) Chorrillo Formation, at Santa Cruz …