https://scitechdaily.com/500-million-year-old-dune-monster-unveiled-ancient-sea-worm-unknown-to-science/
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, highlighti…
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