Herrerasaurus ischigualastensis Variant:Unprimed Tooth enamel isotopes indicate that

Tooth enamel isotopes indicate that the species was a grassland herbivore that drank from various water sources

un clado de terópodos que incluye a los carnívoros más avanzados

and North America

The Model Pose represents a specimen of Meraxes gigas running in search of its prey

Herrerasaurus ischigualastensis Variant:Unprimed Tooth enamel isotopes indicate thatHerrerasaurus 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