Paleontologists identify oldest horned dinosaur in North America

December 10, 2014 7:07 PM

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Paleontologists identify oldest horned dinosaur in North America

Paleontologists have identified the fossil of a horned dinosaur the size of a house cat that is the oldest of its kind ever discovered in North America - by 15 million years.

The skull and the jaw of Aquilops americanus were found by Scott Madsen back in 1997 in what is called the Cloverly Formation of southern Montana. It languished for years, unrecognized as being a milestone artifact.

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