March 1, 1961
1 min read
Pre-Cambrian Animals
Until recently the fossils of organisms that lived earlier than the Cambrian period of 500 to 600 million years ago were rare. Now a wealth of such fossils has been found in South Australia
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March 1, 1961
1 min read
Pre-Cambrian Animals
Until recently the fossils of organisms that lived earlier than the Cambrian period of 500 to 600 million years ago were rare. Now a wealth of such fossils has been found in South Australia