Nothing happened in the Ordovician

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Having spent my entire life living atop Ordovician fossil beds (and a fair bit of my childhood digging in them), this diagram is deeply disappointing. The story always seems to go “Cambrian Explosion! Yada yada yada… bony fishes in the Silurian!” I guess because the Ordovician was a catastrophe-free golden age it gets short shrift. Happy families are all alike, etc. etc.

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