Oldest species of swimming jellyfish discovered in 505m-year-old fossils - The Guardian
- Oldest species of swimming jellyfish discovered in 505m-year-old fossils The Guardian
- Researchers identify oldest known species of swimming jellyfish Phys.org
- These 508-Million-Year-Old Fossils May Be Earth's Oldest Swimming Jellyfish Smithsonian Magazine
- Researchers find oldest-known species of swimming jellyfish in Burgess Shale fossils National Post
- 'Swimming Predators' That Lived 500 Million Years Ago Found in Rockies Newsweek
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