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(University of Bristol) It is commonly understood that the dinosaurs disappeared with a bang -- wiped out by a great meteorite impact on the Earth 66 million years ago. But their origins have been less understood. In a new study, scientists from MUSE -- Museum of Science, Trento, Italy, universities of Ferrara and Padova, Italy and the University of Bristol show that the key expansion of dinosaurs was also triggered by a crisis -- a mass extinction that happened 232 million years ago.
Original Article: Dinosaurs ended -- and originated -- with a bang!NEXT ARTICLE