New Duck-Billed Dinosaur Gives Scientists Clues to Evolution of Head Ornamentation and Provinciality

New Duck-Billed Dinosaur Gives Scientists Clues to Evolution of Head Ornamentation and Provinciality

A new genus and species of hadrosaur (duck-billed) dinosaur -- the oldest duck-billed dinosaur known from North America -- has been named by scientists who expect the discovery to shed new light on dinosaur evolution.The most striking feature of Acri...

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