The discovery of two giant dinosaur species solves the mystery of missing apex predators in North America and Asia

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The discovery of two giant dinosaur species solves the mystery of missing apex predators in North America and Asia
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Recently two new species of these large Cretaceous predators were discovered — a tyrannosaur from Canada and a carcharodontosaur from Uzbekistan.

I was lucky enough to be involved in the study of both. These two discoveries, although unrelated, have some interesting parallels.Article content

After many months of study, each of these fossils turned out to be an entirely new species of meat-eating dinosaur, previously unknown to science. This meant that we would need to formally describe them, and each would be given its own species name. From the jaws, it was apparent both species were a respectable and similar size. We were able to figure out their body size from these preserved bones. Measuring from the tip of the snout to the end of the tail, both species would have been around eight metres long — the length of the average school bus.

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