Dinosaurs are often said to have “ruled” the earth throughout their tenure upon it. Yet, as we’ll see, the boxy-headed Herrerasaurus hailed from a time in which dinos were hardly dominant.

The oldest dinosaurs yet discovered date back nearly 230m years to the Late Triassic epoch. Fossils of Herrerasaurus and Eoraptor were discovered in Argentina; both were bipedal carnivores ...

Long before the age of giants, the Triassic world belonged to survivors. Herrerasaurus, one of the oldest known dinosaurs, was both predator and prey in an ecosystem dominated by ancient reptiles.

Long before the giant predators of the Jurassic and Cretaceous, a car sized hunter roamed a volatile Triassic landscape Herrerasaurus is often described as one of the earliest dinosaurs, yet some ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. When University of Chicago paleontologist Paul Sereno came upon a ...

Tawa hallae was a dog-sized bipedal carnivore that lived 214 million years ago in the Triassic era. ((Jorge Gonzalez)) A new raptor-like species of dinosaur found in New Mexico is providing answers to ...