Meek Montana Plant-eater Foreshadowed Huge Horned Dinosaurs

It was a dinosaur about the length of a crow and the weight of a bunny. But this modest plant-eater that lived about 108 million years ago in southern Montana foreshadowed the monstrous horned dinosaurs that trod North America millions of years later. Scientists on Wednesday announced the discovery of the fossil of the oldest known horned dinosaur species from North America, a creature called Aquilops americanus that was a close cousin to similar dinosaurs from Asia. The horned...

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