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dromaeosaur |
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| Overall, researchers have found four specimens, all far south of where any indisputable dromaeosaurid remains have ever been discovered. At the time, they called it a missing link between birds and dinosaurs because it manifested the long bony tail of dromaeosaurid dinosaurs and the specialized shoulders and chest of birds. According to the prevailing theory, birds split off from the dromaeosaurid line sometime in the Jurassic period, more than 150 million years ago. |
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