Happy DinosaurDay! Revisit some of the most incredible dinosaurs discovered by scientists just last year
also fills in an important evolutionary gap. Very few armored dinosaurs have been found within the lands that once made up Gondwana, an ancient supercontinent that started breaking apart during the age of dinosaurs. Before, only two armored dinosaurs had been found in what was once southern Gondwana, and neither is as complete as the newly described animal.
, flying reptiles that lived alongside the dinosaurs. But now researchers have found dinosaur bones within these sediments for the first time—and they belong to two never-before-seen species., is named after the Chinese Mandarin word for the Silk Road, and the other,Fossils are echoes of an ancient past. Find out about the two major categories of fossils, how fossilization occurs, and how fossils can help paint a picture of the planet's history.
, were widespread across what’s now Asia and eastern North America. However, they didn’t abound in western North America or Europe, where later-branching cousins such asroamed. The finding suggests that eastern Asia may have given refuge to some of the oldest branches of the hadrosaurid family tree, even as other lineages in the group continued to diversify throughout the late Cretaceous.
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