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New Fossils Discovered in China Hint That Complex Life Evolved Millions of Years Earlier Than Scientists Thought

Summary by Smithsonian Mag
The assemblage suggests that the ancestors of some of today's animal groups may have arisen before the famed Cambrian explosion

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Scientists have discovered a fossil site revealing the existence of various primitive animals before the Cambrian explosion, suggesting that complex life evolved earlier than previously thought and offering new insights into evolutionary history. Reconstruction of the Jiangchuan biota from 554 to 539 million years ago. Credit: Xiaodong Wang. A new study published in the journal Science by researchers from the Natural History Museum and the Depar…

Fossil Treasury: A fossil deposit discovered in China reveals the first beginnings of today's animal tribes – including ours. The 550 to 540 million year-old fossils prove for the first time that the ancestors of the bilateral symmetric animals originated before the beginning of the Cambrian Age. They also reveal an unexpectedly diverse world of life at the end of the Ediacarium Age – and thus close a large gap in the organism trunk tree, as pal…

The Cambodian explosion is considered a kind of big bang of the animal world. New fossils from China, however, now show that complex animals existed much earlier.

·Heidelberg, Germany
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spektrum.de broke the news in Heidelberg, Germany on Tuesday, April 7, 2026.
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