Template:Cambrian explosion graphical timeline

From blackwiki
Revision as of 10:19, 4 November 2009 by imported>Alnagov (mollusks > mollusсs)
Jump to navigation Jump to search
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.