From scattered bones and teeth, scientists studying fossils extrapolate entire long-dead creatures, and even relationships between different species....
He added, “ We think Repenomamus was probably similarly a small, feisty predator that was willing to take down prey that was much larger than itself if it had to.” Image A detail of the fossil Repenomamus mammal biting the ribs of Psittacosaurus....
It started with a volcanic eruption, unleashing ash....
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2023-07-19 00:00:00.0