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Paleogene · 66.0 – 23.03 Ma

Paleogene fossil sites

Mammals diversified explosively after the dinosaurs vanished. The earliest whales and primates appeared in the Paleogene. Sites like the London Clay (UK), Florissant (Colorado), and Fur Formation (Denmark) preserve exceptional Paleogene biotas.

Fossils typical of this period: early mammals, sharks, fish, plant fossils, insect fossils, Florissant biota, London Clay.

38 fossil sites