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The Guardian - UK
The Guardian - UK
Science
Nabiha Ahmed

Oldest species of swimming jellyfish discovered in 505m-year-old fossils

A specimen of Burgessomedusa phasmiformis discovered in Burgess Shale
A specimen of Burgessomedusa phasmiformis discovered in Burgess Shale. Photograph: Desmond Collins © Royal Ontario Museum

The oldest species of swimming jellyfish ever recorded has been discovered in 505m-year-old fossils, scientists have said.

The fossils were found at Burgess Shale in Canada, an area known for the number of well-preserved fossils found there.

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