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ALL ABOUT DINOSAURS!
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Go to a Brief Fact Sheet on Torvosaurus Torvosaurus
"Savage Lizard"
Name: Torvosaurus
Meaning: Savage lizard
Named by: Peter M. Galton and James A. Jensen, 1979
Length: 33-40 ft (10-12 m)
Diet: Meat
Walk: Bipedal
Time: Late Jurassic, about 144 mya
Location: Colorado, Utah, and Wyoming, USA, North America
Classification: Theropod

Torvosaurus walked on two powerful legs. It had strong, short arms; the forearms were about half the length of the upper arms. It had huge thumb claws and large, sharp teeth.

ANATOMY

Photo courtesy of Jim Puckett. This Torvosaurus is from the Brigham Young University Earth Science Museum.
Torvosaurus was a powerful predator that walked on two powerful legs, had a strong, and S-shaped neck. It had a massive tail, a bulky body, and heavy bones. Its arms were short and it had sharp claws.

Torvosaurus was up to 33-40 ft (10-12 m) long and 8 ft (2.5 m) tall at the hips. It weighed about 3 tons.

Torvosaurus and Allosaurus were similar, but there were quite a few differences between the two genera. For example, they had very different vertebrae, and the limbs (especially the arms) of Torvosaurus were more robust than those of Allosaurus.

DIET AND TEETH
Torvosaurus was a huge carnivore, a meat eater equipped with sharp, pointed teeth in large, powerful jaws - it was the biggest meat-eater in its habitat. This theropod also had long, sharp clawed hands, but its arms were a bit larger than those of T. rex. Torvosaurus probably ate large, plant-eating dinosaurs, such as Stegosaurus and sauropods.

Torvosaurus was a large, fierce predator that could kill medium-sized sauropods (or sick or injured large sauropods like Apatosaurus) and many others of its contemporaries. Torvosaurus may also have been a scavenger.

INTELLIGENCE
Torvosaurus was a carnosaur, whose intelligence (as measured by its relative brain to body weight, or EQ) was high among the dinosaurs.

EQ


WHEN TORVOSAURUS LIVED
Torvosaurus lived during the late Jurassic period, about 144 million years ago. Allosaurus also lived during this time.

DISCOVERY AND NAMING OF FOSSILS
Torvosaurus was found by Jim Jensen and Kenneth Stadtman in 1972, in the Dry Mesa quarry in western Colorado. Torvosaurus was named in 1979 by Peter M. Galton and James A. Jensen.

Fossils have been found in Colorado, Utah, and Wyoming, USA, North America.

CLASSIFICATION
Torvosaurus belonged to the:




Information Sheets About Dinosaurs
(and Other Prehistoric Creatures)

Just click on an animal's name to go to that information sheet. If the dinosaur you're interested in isn't here, check the Dinosaur Dictionary or the list of Dinosaur Genera. Names with an asterisk (*) were not dinosaurs.
How to write a great dinosaur report.

For dinosaur printouts, click here.

For brief dinosaur fact sheets, click here.




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