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The dinosaurs became extinct and the first primates and austrolopitecus appeared on Earth 4 million years ago.
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Dinosaurs and mammals coexist on Earth together 200 million years ago.
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The first vertebrates coexisted on Earth 500 million years ago.
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The Cambrian life's explosion was an event were most major animal phyla appeared in the fossil record. That happened 600 million years ago.
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The first eukaryotic cells appeared 1400 million years ago.
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The oxygen was established on Earth 1800 million years ago.
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Life and prokaryotic cells appeared 3500 million years ago.
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Appereance of the first organic molecules.
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The Earth was formed 4.5000 million years ago.
