Ancestors of ‘veggie’ dinosaurs actually feasted on meat

It’s long been believed that Tyrannosaurus rex was a meat-eating maniac while long-necked dinosaurs serenely chomped away at leaves in the background. However, a new study suggests that dinosaurs’ diets were far more diversified than previously thought.

To get a better idea of what different dinosaurs actually ate, paleobiologists from the University of Bristol in England examined CT (computed tomography) scans of the skulls of several dinosaur genera, including small bipedal Thecodontosaurus and long-necked Diplodocus, both considered herbivores, and created 3D models of their teeth. 

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