Newly discovered large predator worms ruled the seas as Earth’s earliest carnivores, study finds
By Ashley Strickland, CNN (CNN) — Long before the first sharks appeared, large predator worms were the “terror beasts” of the seas more than 500 million years ago, according to new research. Scientists discovered fossils of the previously unknown worm species during expeditions in North Greenland, uncovering what they believe to be some of the
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