Hidden Ecosystems of the Ordovician
Every fossil story begins with loss. Sediment buries life, time hardens it, and chance decides what survives. For the Ordovician Period—roughly 485 to 444 million years ago—that loss has long been severe. While the Cambrian Explosion left us famous sites like the Burgess Shale, its Ordovician successors seemed strangely quiet. Paleontologists saw only fragments of […]
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