Fossil record reveals elusive jellyfish more than 500 million years old

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This jellyfish is more than 500 million years old the oldest jellyfish in the fossil record to date. Credit: University of Kansas
This jellyfish is more than 500 million years old, the oldest jellyfish in the fossil record to date. Credit: University of Kansas

Using recently discovered “fossil snapshots” found in rocks more than 500 million years old, three University of Kansas researchers have described the oldest definitive jellyfish ever found.


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