Staurikosaurus

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Quick Facts
NameStaurikosaurus
Diet
Weight28 kilos
Length2 meters
Height0.8 meters
Period
Staurikosaurus
Human

Staurikosaurus was a genus of Herrerasaurid dinosaur from the Late Triassic period, 225 million years ago, precisely the Carnian era. At the time of Carnian, it was a small theropod dinosaur, but one of the earliest known dinosaurs. The name means "Southern Cross Lizard" in reference to a constellation only seen in the southern hemisphere. In 1936, it was discovered in the lowlands of the Santa Maria Formation in southern Brazil by paleontologist Llewellyn Ivor Prince.

It had a long, rather thin head with several sharp teeth and powerful jaws for tearing flesh and crushing bone through the meat it ate. Because of its large dolphin eyes, it was not able to see its surroundings very well in depth. The animal had a relatively long, slender neck and body designed to reach the small, fast animals it fed on or more dangerous predators such as the menacing Saurosuchus.

It had long arms with five toes and hooked claws for grasping small prey. It had long legs with three toes and sharp claws at the end of each. The tail also extended to help balance this sleek theropod as it ran.

Staurikosaurus was estimated to be about 80 cm tall, 2.2 m long and weighed between 10 and 30 kg.

What is the significance of Staurikosaurus?

The name means "Southern Cross Lizard" in reference to a constellation that is only seen in the southern hemisphere.

Where was the Staurikosaurus found?

In 1936, it was discovered in the lowlands of the Santa Maria Formation in southern Brazil by paleontologist Llewellyn Ivor Prince.

What did Staurikosaurus eat?

Staurikosaurus was a carnivore with several sharp teeth and powerful jaws for tearing flesh and crushing bone through the flesh it ate.

Where did they live?

When did they live?

What was your diet?

Who discovered them?

What kind of dinosaurs are they?

What type of species are they?

How are they classified?

  • "Staurikosaurus." In: Dodson, Peter & Britt, Brooks & Carpenter, Kenneth & Forster, Catherine A. & Gillette, David D. & Norell, Mark A. & Olshevsky, George & Parrish, J. Michael & Weishampel, David B. The Age of Dinosaurs. Publications International, LTD. p. 45. ISBN 0-7853-0443-6.
  • Colbert, E. H. (1970). A saurischian dinosaur from the Triassic of Brazil. Am. Mus. Novitates 2405; 1-39
  • Brinkman, D. B., and Sues, H. (1987). A staurikosaurid dinosaur from the Upper Triassic Ischigualasto Formation of Argentina and the relationships of the Staurikosauridae. Palaeontology 30; 493-503.
  • Galton, P.M. (1977). On Staurikosaurus priceian early saurischian from the Triassic of Brazil, with notes on the Herrerasauridae and Poposauridae. Palaeontologische Zeitschrift 51; 234 - 245.
  • Sereno, P. C. & Novas, F. E. (1993). The skull and neck of the basal theropod. Herrerasaurus ischigualaestensis. Journal of Vertebrate Paleontology, 13, 4, 451-476.
geological time 3

Fun Facts

  • The name Staurikosaurus means "Southern Cross Lizard".
  • It was a carnivorous dinosaur. 
  • He walked on two legs.
  • It was an animal that moved quickly and caught its prey.
  • He had a long tail that helped him balance. 

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