A new, tiny dinosaur with vampire-like fangs devoured ... plants?

So says a new study of Pegomastax africanus, a 2-foot-long (0.6-meter-long) heterodontosaur that lived about 200 million years ago.

Heterodontosaurus was a genus of small, fanged dinosaur species that were "scampering around between the toes of other dinosaurs at the dawn of the dinosaur era," said study author Paul Sereno, a National Geographic Society explorer-in-residence.


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