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Skeletons in the pre-Cambrian closet

The Cambrian explosion marked a major blossoming in the tree of life around 540 million years ago. Nearly all of the major phyla in the animal kingdom appeared in a sudden burst of evolution. One of the drivers ...

dateJan 07, 2011 in Archaeology & Fossils
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Signs point to sponges as earliest animal life

(PhysOrg.com) -- Even Charles Darwin was puzzled by the apparently sudden appearance in the fossil record of a great variety of multicellular creatures — a rapid blossoming known as the Cambrian explosion. ...

dateFeb 04, 2009 in
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