History Of Tyrannosaurus Rex
Tyrannosaurus, which means tyrant lizard, is a genus of theropod dinosaurs. T. Rex, as they are more commonly known roamed the earth approximately 68 million years ago. Their fossils are found in North Western America. These were bipedal, carnivorous dinosaurs with a long, heavy tail and a massive skull. |
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They were the largest known tyrannosaurids and one of the largest predators on earth measuring up to 13 meters in length, 4 meters tall at hips and weighed up to 6.8 metric tones.
The first fossil of Tyrannosaurus Rex was discovered by the famous archaeologist Edward Drinker Cope in South Dakota in 1892.
Easily the most famous dinosaur that ever lived, Tyrannosaurus Rex is a case study in how little or how much we know about dinosaur behavior and how they lived of years ago. For example, while we have a pretty good idea what T. Rex looked like, we’re still not sure whether it actively hunted for its food or scavenged, or whether it was warm or cold-blooded.
The most spectacular discovery was the one made by an amateur paleontologist named Sue Hendrickson, who unearthed a complete T. Rex skeleton in South Dakota in 1990. It apparently died of a bite to the head when aged 28.
Studies show that the growth of these dinosaurs began to slow at around 16 years of age, by which time they might have reached the peak of physical maturity. Their life span appears to wane on reaching this peak maturity, a timeframe somewhat typical of many large mammals and birds. T.Rex is also believed to have suffered a high infant mortality rate.
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