Science
Why Did It Take Dinosaurs 15 Million Years To Reach The Northern Hemisphere? – Science 2.0
In the age of the dinosaurs, you could have walked from one pole to another.
In the age of the dinosaurs, you could have walked from one pole to another. At that time, the continents were all joined together, forming the supercontinent Pangea. Yet they didn’t.Though sauropodomorph dinosaurs first appeared in Argentina and Brazil about 230 million years ago, it took them 15,000,000 years to migrate to the northern hemisphere.
“It’s as if snails could have done it faster,” says Dennis Kent, adjunct research scientist at Columbia University’s Lamont-Doherty Earth Observatory…
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