Scientists unearth first baby tyrannosaur fossils ever found

The fossilized lower jawbone of a Daspletosaurus horneri, one of the first baby tyrannosaurs ever discovered. Estimates based on this 75-million-year-old fossil suggest the dinosaur embryo measured about 71 centimetres long. (Photo: Greg Funston)

Reading Time: 3 minutes University of Alberta PhD student part of research that sheds new light on how the dinosaurs grew from tiny to titanic size

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