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Ordovician
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4.5 Billion Years of Earth's Evolution in 1 Hour
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- 1 Intro
- 2 Hadean
- 3 Eoarchean
- 4 Paleoarchean
- 5 Mesoarchean
- 6 Neoarchean
- 7 Siderian
- 8 Rhyacian
- 9 Orosirian
- 10 Statherian
- 11 Calymmian
- 12 Ectasian
- 13 Stenian
- 14 Tonian
- 15 Cryogenian
- 16 Ediacaran
- 17 Cambrian
- 18 Ordovician
- 19 Silurian
- 20 Devonian
- 21 Carboniferous
- 22 Permian
- 23 Triassic
- 24 Jurassic
- 25 Cretaceous
- 26 Paleogene
- 27 Neogene
- 28 Quaternary
- 29 Ending
