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| Date | 5/16/2024 11:35:36 PM |
The 10 oldest species on earth have one thing in common: they live underwater. Sponges hold the record, having survived more than 600 million years. Other species that have been around for more than 500 million years include comb jellyfish, horseshoe crabs and chambered nautilus are close behind. Coming in next is a group of animals that showed up around 490 million years ago and dominated ocean floors for the next 200 million years.
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