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Dinosaur!

 
   
Dinosaur Jungle   >   Dinosaur Names   >   Herrerasaurus
Dinosaur Jungle   >   Dinosaur Types   >   Herrerasaurus

   

Herrerasaurus



Herrerasaurus picture

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Scientific Classification
  Kingdom Animalia
  Phylum Chordata
  Class Sauropsida
  Superorder Dinosauria
  Order Saurischia
  Suborder Theropoda
  Infraorder Herrerasauria
  Family Herrerasauridae
  Genus Herrerasaurus
Herrerasaurus is one the earliest known dinosaurs. It was a carnivore (meat-eater) that lived in the Triassic period about 228 million years ago. Its fossils have been found in Argentina.

Herrerasaurus was about 10 to 20 feet (3 to 6 meters) in length, stood about 3½ feet (1 meter) tall at the hips, and weighed something in the region of 460 to 770 pounds (210 to 350 kilograms).

For many years, it was not entirely clear how to classify Herrerasaurus. There were several different theories about the animal, including that it may have been an early Theropod dinosaur, or that it may have been an early Sauropodomorph (the suborder containing Prosauropods and Sauropods), or perhaps that it was not even a dinosaur at all. However, a near-complete skeleton and skull was found in 1988, and as a result of this discovery, it is now widely thought to have been an early Theropod dinosaur.


   

Herrerasaurus Timeline:



Herrerasaurus was a carnivore (meat-eater) that lived about 228 million years ago

Herrerasaurus was a carnivore (meat-eater) that lived about 228 million years ago

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Herrerasaurus Facts

 
Here is a summary of some of the key facts about Herrerasaurus:
  1. Herrerasaurus was a genus of dinosaur.

  2. "Herrerasaurus" means "Herrera's lizard" (name after Victorino Herrera who discovered the first fossils of this animal).

  3. Herrerasaurus was a member of the Saurischia ("lizard-hipped") order of dinosaurs. What this means, is that although Herrerasaurus was not closely related to lizards, it did have similarly shaped pelvic bones.

  4. Herrerasaurus was a Theropod - a member of a group of related bipedal dinosaurs that included the ancestors of birds (although Herrerasaurus was not itself an ancestor of birds). Historically, there have been several hypotheses about how to classify Herrerasaurus - these included that it may have been an early Theropod dinosaur, an early Sauropodomorph (the suborder containing Prosauropods and Sauropods) dinosaur, or perhaps not even a dinosaur at all. However, today, based on fossils found in 1988, it is now widely considered to be an early Theropod.

  5. Herrerasaurus lived about 228 million years ago, during the Triassic period.

  6. Herrerasaurus lived in Northwest Argentina.

  7. Herrerasaurus was a carnivore (meat-eater).

  8. Herrerasaurus probably preyed on small- and medium-sized animals including small dinosaurs, rhynchosaurs (a group of herbivorous reptiles), and herbivorous synapsids (mammal-like reptiles).

  9. Herrerasaurus was about 10 to 20 feet (3 to 6 meters) long, and about 3½ feet (1 meter) tall at the hips.

  10. Herrerasaurus weighed about 460 to 770 pounds (210 to 350 kilograms).


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