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The Cambrian Bang

Dickinsonia fossil. Photo: Australian National University (ANU)

A 558-million-year-old fat revealed the earliest animal on Earth

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Soft tissue fossils of a predator from the Cambrian era, belonging to the arthropod family. Top left: A bump on the front of the modified creature shows a resemblance to modern arthropods. Bottom right: A full-body specimen of the fossil shows one pair of forelimbs (indicated by white arrows) and a mouth containing teeth (indicated by a black arrow) on the head. Photography: A. Daly, University of Oxford

A new study of fossils made it possible to be more precise in the date of the appearance of the first animals before 540 m.

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