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Herrerasaurus (pronounced huh-Rare-uh-Sore-us) was one the earliest
dinosaurs to have walked on the face of the Earth. It lived in what is now
Argentina and was a meat-eater, also known as a carnivore.

What did they look like?
Herrerasaurus was likely up to 6 feet (2 meters) in length, walked on its hind
legs with short thighs and rather long feet. It was very quick on its feet and had
strong claws for grabbing prey. Herrerasaurus weighed at least 400 pounds and
at most 750 pounds.

What did they eat?
Herrerasaurus was a meat-eater. It probably fed on small and medium-sized
animals. However, it most likely did not hunt for itself, instead it probably ate
meat off dead animals. It has been suggested it fed on rhynchosaurs, small
prehistoric lizards, and aetosaurs, a kind of mix between an armadillo and a pig.

When did they live?
Herrerasaurus lived in the Late Triassic period, about 230 million years ago.
Their favourite habitat was in woodlands, amongst the ferns, conifers and

Where did they live?
Herrerasaurus once lived in Argentina on the South American continent. Found
in the Ischigualasto Formation of Argentina, along with the bones of several
other early dinosaurs.

How were they discovered?
The first Herrerasaurus fossil was discovered in 1958 by a local man named
Don Victorino Herrera. But, it wasn't until 1988 that the first skull was discovered.

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