Slug-like creature pushes animal existence back 30 million years

Geologists from the University of Alberta have made a discovery that pushes the existence of animals back by 30 million years.

Life has been around on Earth for about 3.5 billion years, but actual animals -- multicellular, eukaryotic organisms -- are only half a billion years old. The oldest confirmed animal was a slug-like organism called Kimberella, dated at 555 million years old.

By: Mark Brown, Edited by: Duncan Geere

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via Wired.co.uk



http://www.wired.co.uk/news/archive/2012-06/29/animal-existence