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Fossils in China reveal complex animal life existed 4 million years earlier than thought.
A newly discovered fossil site in China has revealed complex animal life existed at least four million years earlier than previously thought, pushing back the origins of many animal groups to the Ediacaran period.
The Jiangchuan Biota, dating back 554 to 539 million years, contains over 700 exceptionally preserved fossils of ancestors to starfish, worms, and other creatures, challenging the idea that the Cambrian explosion was the sole starting point for animal diversity.
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Los fósiles en China revelan vida animal compleja existió 4 millones de años antes de lo que se pensaba.