World’s oldest swimming jellyfish found in B.C.’s Burgess Shale
The researchers who discovered this feat of time travel have dubbed it the Burgess Shale jellyfish, oris an important fossil deposit because of its remarkable ability to preserve soft-tissue, which allowed these jellyfish to survive through epochs.
Jellyfish are thought to be “one of the earliest animal groups to have ever evolved,” according to study co-author Joe Moysiuk, a University of Toronto Ph.D. candidate. But jellyfish fossils are notoriously hard to find, given they are roughly composed of 95 per cent water. This discovery leaves “no doubt” that jellyfish have been swimming around since the Cambrian period, Moysiuk said in aStory continues below advertisement
“Finding such incredibly delicate animals preserved in rock layers on top of these mountains is such a wonderous discovery,” said co-author, Dr. Jean-Bernard Caron, a ROM curator of invertebrate paleontology. “This adds yet another remarkable lineage of animals that the Burgess Shale has preserved chronicling the evolution of life on Earth.”in its archive, which were collected during the late 1980s and 1990s on a series of expeditions to the Burgess Shale.
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