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Funnel-Shaped Animals Invented Reefs Prior to Cambrian Explosion

Scientists have long thought of the Cambrian Explosion 541 million years ago as the flowering of complex life on Earth. Strangely shaped, large soft-bodied organisms were known to have lived in the period just prior — the Ediacaran — but they made few hard parts and scientists have debated whether any or how many were [...]

July 2, 2014 — Jennifer Frazer

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