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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.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.
The 11 scientists involved in the study told CNN it's too early to tell the impact of the new findings.
For now they want the general audience to see it and understand it, and for their peers to study it -- and even challenge it. is long before the ancient African is known to have occupied EAST ASIA.
By Gisela Crespo, CNN, April 26, 2017 The remains of a mastodon discovered during a routine excavation in California shows possible human activity in North America 130,000 years ago -- or about 115,000 years earlier than previously thought.
Paleontologists with the San Diego Natural History Museum discovered the remains of the elephant-like animal more than 20 years ago.
The discovery changes the understanding of when humans reached North America.
The study, to be published this week in the science journal Nature, said the numerous limb bones fragments of a young male mastodon found at the site show spiral fractures, indicating they were broken while fresh.
Odds being against such striking parallel evolution, paleontologists speculate that dromaeosaurs more likely originated more than 180 million years ago, before Pangaea broke apart.
The newly discovered fossil also shows that the creatures developed slightly different characteristics after they split up.
Advanced radiometric dating technology allowed scientists to determine the mastodon bones belong to the Late Pleistocene period, or 130,000 years old, with a margin of error of plus or minus 9,400 years."The bones and several teeth show clear signs of having been deliberately broken by humans with manual dexterity and experiential knowledge," Holen said in a press release.Tags: Adult Dating, affair dating, sex dating