nstructions Younger 2°F Cloudy Eon Older Phanerozoic Mesozoic Era Cenozoic Submit Proterozoic Archean Hadean A Paleozoic Cancel Period H Quaternary Neogene Paleogene Cretaceous Jurassic Triassic Permian Carboni- Pennsylvanian ferous Mississippian Devonian Silurian Ordovician Cambrian Q Search Epoch Holocene Pleistocene Pliocene Miocene Oligocene Eocene Paleocene 7 ~ Today -11.8 Ka 66 Ma 252 Ma -541 Ma -2.5 Ga 4.0 Ga -4.54 Ga

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