![The geologic time scale from 650 million years ago to the present, showing major evolutionary …[Credits : Encyclopædia Britannica, Inc.]](http://media-2.web.britannica.com/eb-media/98/398-004-9340E96E.gif "The geologic time scale from 650 million years ago to the present, showing major evolutionary …[Credits : Encyclopædia Britannica, Inc.]")
fossil record: geologic time scale with major evolutionary events
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The geologic time scale from 650 million years ago to the present, showing major evolutionary events.
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