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HISTORY OF EARTH
h2>Phanerozoic Eon
570 millions years until Present
- Palaeozoic Era: Arthropods, fishes, and the first land life appeared.
- Mesozoic Era: Non-avian dinosaurs ruled, followed by their climactic extinction.
- Cenozoic Era/Today: Mammals rose, and recognizable humans emerged within the last 2 million years