TIny Juvenile Dinosaur Fossil Sheds Light on Evolution of Plant Eaters

Scientists from London, Cambridge and Chicago have identified one of the smallest dinosaur skulls ever discovered as coming from a very young Heterodontosaurus, an early dinosaur. This juvenile weighed about 200 grams. This skull suggests how and when the family of herbivorous dinosaurs that includes Heterodontosaurus made the transition from eating meat to eating plants.

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