probably as a result of climatic changes and environmental pressures

The Pteranodon

characterized by their agility and retractable claws on their feet

Los fósiles de Arthropleura han sido descubiertos en varios lugares

200 kilograms

Herrerasaurus ischigualastensis Scale:1:35 probably as a result ofHerrerasaurus ischigualastensis is a dinosaur that lived during the Triassic period, approximately between 231 and 220 million years ago, in what is now Argentina. This dinosaur is significant because it is one of the oldest known dinosaurs and arouses great interest in paleontology due to its importance in understanding the early stages of dinosaur evolution. Herrerasaurus belongs to the group of theropod dinosaurs, which are the bipedal carnivores