New time line for appearances of skeletal animals in fossil record developed by UCSB researchers
Thursday, November 11, 2010 - 06:50
in Paleontology & Archaeology
Beginning around 542 million years ago, a profusion of animals with shells and skeletons began to appear in the fossil record. So many life forms appeared during this time that it is often referred to as the 'Cambrian Explosion'...
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