What is the oldest known species of jellyfish discovered? Did it live 500 million years ago? - Quora
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505 Million-Year-Old Fossil Bed in Canada Reveals the Oldest Known Species of Swimming Jellyfish | Science Times
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Fossils For Sale | Fossils-UK.com | Early Life! One of the Oldest Fossils Ever! Rare Ediacaran Fossil Jellyfish 600 Million Years Old from Ukraine:- Cyclomedusa sp.
![Fossils For Sale | Fossils-UK.com | Early Life! One of the Oldest Fossil Ever! Rare Ediacaran Fossil Jellyfish 600 Million Years Old:- Cyclomedusa sp. Fossils For Sale | Fossils-UK.com | Early Life! One of the Oldest Fossil Ever! Rare Ediacaran Fossil Jellyfish 600 Million Years Old:- Cyclomedusa sp.](https://www.fossils-uk.com/images/early-life-one-of-the-oldest-fossil-ever-rare-ediacaran-fossil-jellyfish-600-million-years-old-sku-of2006-cyclomedusa-sp-p9218-27579_image.jpg)