The oldest known fossils of jellyfish have been found in rocks in Utah that are more than 500 million years old, a new study reports.The fossils are an unusual discovery because soft-bodied creatures, such as jellyfish, rarely survive in the fossil record, unlike animals with hard shells or bones.
"You can see a distinct bell-shape, tentacles, muscle scars and possibly even the gonads," said study team member Paulyn Cartwright, also of KU.
Source: LiveScience
Tags: Jellyfish | Fossil
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