Template:Cambrian explosion graphical timeline

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Revision as of 14:20, 24 April 2010 by imported>Alnagov (Khomentovskiy opinion about age of lower boundary of Nemakit-Daldynian is erroneous, and it is not sustained by his colleagues)
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Key Cambrian explosion events
One possible timescale for events around the Cambrian/Precambrian boundary.

Axis scale: millions of years ago.

Stratigraphic scale of the ICS with Russian Lower Cambrian subdivision and Precambrian/Cambrian boundary.