A remarkable fossil discovery in southwest China is rewriting the story of how complex animal life began, showing that many key animal groups appeared millions of years earlier than scientists once ...
The assemblage suggests that the ancestors of some of today's animal groups may have arisen before the famed Cambrian ...
Newly discovered fossils have given scientists their first real glimpse of when Earth made a crucial transition from plants and unrecognizably simple animals to the complex creatures that ...
Paleontologists have discovered fossils in southwestern China that could rewrite the history of the origin of complex animal life on Earth. The finds date from 554 to 539 million years old and belong ...
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