Tyrannosaurus rex could have been up to 70 percent larger than scientists previously thought – Earth – Science and technology

Representatives of the Tyrannosaurus rex species could have been up to 70 percent larger than scientists previously thought.

This is shown by the models of paleontologists from the Canadian Museum of Natural History in Ottawa, according to which this feared prehistoric predator could reach a weight of up to 15 tons, writes the Livescience server.

So far, the heaviest representative of the Tyrannosaurus rex species discovered was an individual nicknamed Scotty, who weighed around 8¤800 kilograms during his lifetime. But the model showed that the largest representative of this species could have weighed roughly 70 percent more, study co-author Jordan Mallon said.

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“That would almost double the size of the T-rex,” said the expert. Mallon and colleague David Hon first examined the fossil record, which suggests that about 2.5 billion of these carnivorous dinosaurs once lived on Earth. However, only 32 fossils of adult individuals have been found so far, which does not represent a sufficiently wide sample. Based on the numbers of these dinosaurs and their average life expectancy, the authors created two models, according to which they determined the maximum size.

In one of the models, they also took into account possible differences between males and females. If these differences were manifested in tyrannosaurs, scientists estimate that they would have weighed up to 24 tons. “In the end, we rejected this model, because if it corresponded to reality, we would already have found much larger individuals,” said Mallon. Despite the results of the model, the experts pointed out that unless a Tyrannosaurus rex is found that is comparable in size to their calculations, the conclusions about the size of these dinosaurs are purely speculative.

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“It’s purely a thought experiment backed by numbers,” Mallon added. Tyrannosaurus rex lived 68 to 66 million years ago. According to expert estimates, this species with crushing jaws was one of the largest terrestrial predators of all time.


Source: Pravda – Veda a technika by vat.pravda.sk.

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