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01-Aug-2017 19:37

It has a long head and long tail and wing-like forelimbs.

The site was named Cerutti Mastodon site, in honor of Richard Cerutti, who made the discovery and led the excavation.Since dromaeosaurs had only been found in places that used to be part of Laurasia, scientists figured that the beasts evolved into being after Pangea split.But the Buitreraptor fossil in South America, which dates back 90 million years and closely resembles fossils from the North, means one of two things: Either dromaeosaurs existed when Pangea was intact; or the newfound Buitreraptor and its northern look-alikes evolved separately yet with remarkably similar results.What we call Laurasia eventually became North America, Asia and Europe.The other chunk Gondwana, developed into the continents of the Southern Hemisphere and India.

The site was named Cerutti Mastodon site, in honor of Richard Cerutti, who made the discovery and led the excavation.Since dromaeosaurs had only been found in places that used to be part of Laurasia, scientists figured that the beasts evolved into being after Pangea split.But the Buitreraptor fossil in South America, which dates back 90 million years and closely resembles fossils from the North, means one of two things: Either dromaeosaurs existed when Pangea was intact; or the newfound Buitreraptor and its northern look-alikes evolved separately yet with remarkably similar results.What we call Laurasia eventually became North America, Asia and Europe.The other chunk Gondwana, developed into the continents of the Southern Hemisphere and India.The discovery changes the understanding of when humans reached North America.