Scientists say they've discovered one of the largest collections of fossils from the Cambrian explosion in the walls of a canyon inside
"Once we started to break fresh rock, we realized we had discovered something incredibly special,"
Details of the findings were published Tuesday in the journal
Previously, the most compelling snapshot of the Cambrian explosion - -a period of time some 545 million years ago when most animal phylums first appeared in the geological record -- was
What evidence there is has been provided by the
The 1909 dig turned up some 200 animal species. At the newest
"This is a new mother lode," Dr.
All of the species uncovered are underwater creatures, distant ancestors of today's insects and crustaceans.
"I think the most profound implication is that the
[The Globe and Mail]
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