Researchers from the University of Kansas have discovered a previously unknown species of ancient sea worm, named Shaihuludia shurikeni. Another fossil at the same site was reclassified as a species, Burgessochaeta, thought to exist only in Canada, highlighting the diversity of the mid-Cambrian mari
The Royal Ontario Museum said in a statement that the fossils were exceptionally well preserved at the Burgess Shale, considering jellyfish are about 95 per cent water
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