The Cretaceous beds of Patagonia contain the most comprehensive record of non-avian theropods from the Southern Hemisphere. This includes Megaraptora, a clade of medium-sized, highly pneumatized th…| Letters from Gondwana.
Pachycephalosaurians, with their distinctive domed heads, are an enigmatic group of small ornithischian dinosaurs. Most pachycephalosaurid remains are known from the Late Cretaceous of North Americ…| Letters from Gondwana.
Eutyrannosauria, the superfamily of carnivorous dinosaurs that includes the iconic Tyrannosaurus rex, dominated the Asian and North American terrestrial faunas during the latest Cretaceous. Through…| Letters from Gondwana.