Scientists know that at one point or another, North America was split down the middle. Not by politics or religion, but by a winding body of water known as the Western Interior Seaway that connected the Gulf of Mexico to the Arctic Ocean and divided the continent into east and west. But when exactly the land on either side connected hasn't been exactly clear. Paleontologists have stumbled upon a very helpful clue in the form of a tooth from a triceratops-like dinosaur, which sheds new light on the movements of these horned beasts and adds new detail to this story of how two became one.
.. Continue Reading Triceratops-like dinosaur tooth fills gap in history of American continentCategory: Science
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