The 550-million-year-old fossil Tribrachidium heraldicum is one of the most enigmatic critters from the Ediacaran. With its circular, three-lobe form, it doesn't resemble any modern organism. The ...
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Complex animals living millions of years before the Cambrian Explosion revealed by seabed tracks
The Cambrian Explosion is a landmark moment in the history of life on Earth when many of the major groups of animals first appear in the fossil record. Subscribe to our newsletter for the latest ...
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