Meet the giant 'swimming head' creature that lived in our oceans 500 million years ago...
Half a billion years ago, the oceans were filled with life that looked more like aliens than the marine animals we know today. Now, researchers have uncovered the fossil of an unusual creature that was likely a giant compared to tiny ocean life 500 million years ago.
Radiodonts, a group of primitive arthropods, were widespread after the Cambrian explosion event 541 million years ago -- a time when a multitude of organisms suddenly appeared on Earth, based on the fossil record.
The newly discovered fossil belonged to Titanokorys gainesi, a radiodont that reached 1.6 feet (half a meter) in length -- which was huge, compared to other ocean creatures that were about the size of a pinkie finger.
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https://www.cnn.com/2021/09/08/world...scn/index.html