The fossilised skulls of dinosaur embryos that died within their eggs about 200m years ago, have been digitally reconstructed by scientists, shedding new light on the animals’ development, and how close they were to hatching.
The rare clutch of seven eggs, some of which contain embryos, was discovered in South Africa in 1976, with the developing young found to be a species of dinosaur called Massospondylus carinatus.
The plant-eaters were ancestors of sauropod dinosaurs like diplodocus and, as fully-grown adults, would have walked on two legs, measured about five metres from nose to tail, and had long necks with small heads.
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