The football-like fossil has puzzled scientists since it was found in Antarctica almost a decade ago.
Tags: antarctic dinosaurs fossils reptiles
Scientists are stunned to find that some ancient crocodiles may have moved around on two feet.
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Palaeontologists say the remains date back 70 million years, close to the end of the dinosaurs.
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The elaphrosaur roamed Australia 110 million years ago and was related to the Tyrannosaurus Rex.
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Two million years ago, Africa was home to three human-like species, new discoveries reveal.
Tags: evolution human-evolution fossils palaeontology
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