The 70 million-year-old Prince Creek Formation featuring dinosaurs of ancient Arctic as genus Edmontosaurus (IMAGE)

Perot Museum of Nature and Science

The 70 million-year-old Prince Creek Formation featuring dinosaurs of ancient Arctic as genus Edmontosaurus

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Published in PLOS ONE today, a study by an international team from the Perot Museum of Nature and Science in Dallas and Hokkaido University in Japan further explores the proliferation of the most commonly occurring duck-billed dinosaur of the ancient Arctic as the genus Edmontosaurus. The findings reinforce that the hadrosaurs - dubbed "caribou of the Cretaceous" - had a geographical distribution of approximately 60 degrees of latitude, spanning the North American West from Alaska to Colorado.

Credit

Masato Hattori

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