The International Scientists team has announced the new details of the origin of the legendary Tyrannosaurus (Tyrannosaurus Rex), the largest land hunter in the world history. The study was published scientifically magazine Royal Community Open Science (RSOs).
Paleontologists found that the ancestors of the Tyrannosaur took over more than 70 million years ago from Asia to North America. The mathematical modeling of fossils and climate data showed that Ti-Rex ancestors migrated from the Bering Strait at the time of the current earth.
After 92 million years ago, Megaraptors took the gigantic dimensions of Tyrannosaurides and relatives after global cooling and filled the ecological niche of extinct Carhardontosaur.
Hair or increased metabolism can help these predators better adapt to the cold than other dinosaurs.
The study also shed light on mysterious megaraptors – the “cousins ​​of the Tyrannosaur with claws of 35 cm long. It turned out that these predators appeared in Asia about 120 million years ago. They spread to Europe and Gondwan (Africa+South America). These creatures have reached a length of 10 meters and specialized in hunting for young zavropods (four -legged herbal).
Previously, scientists Starting Work on the restructuring of the skin of Tyrannosaur.
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Source: Gazeta
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