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This is when the fossil record shows the first appearances of Marine Invertibrates. 570 million years ago
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Evidence of the first fish from the fossil record tells us that they appeared on Earth about 440 million years ago
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Evidence of the first amphibians on Earth appears in the fossil record about 400 million years ago.
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The first Insects appear in the fossil record around 360 million years ago.
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The evidence of the first reptiles appears in the fossil record about 350 million years ago.
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Evidence of the first dinosaurs appears on the fossil record about 208 million years ago.
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The first mammal fossils seen are about 144 million years old.
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There is evidence of the first modern humans evolving between 400,000 and 250,000 years ago