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Earliest animal fossils are identified
Scientists have identified the earliest known animal in the geological record.
It's a 558-million-year-old oval-shaped creature that may have borne a superficial resemblance to a segmented jellyfish.
Researchers found specimens of the creature, known as Dickinsonia, that was so well preserved they still contained molecules of cholesterol.
https://www.bbc.com/news/science-environment-45588213
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