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The Cambrian Fossil Jellyfish; the oldest known jellyfish have been found in rocks in Utah. They are more than 500 million years old, according to scientific study reports. These jellyfish are also known as Cnidaria, which were on Earth for more than 580 million years. -wayoffline81 & Zappy22

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15y ago
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14y ago

Turritopsis Nutricula

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Q: What is the name of the oldest jellyfish?
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