Which eon is 'ours'?, Precambrian, Hadean, Archean, Phanerozoic, What is the most recent period shown?, Quaternary, Neogene, Cretaceous, Paleogene, Which period starts around 2.6 mya?, Neogene, Paleogene, Quaternary, Jurassic, Which period starts around 23 mya?, Cretaceous, Neogene, Quaternary, Devonian, Which period starts around 66 mya?, Neogene, Silurian, Paleogene, Triassic, Which period includes dinosaur extinction?, Triassic, Cretaceous, Jurassic, Permian, Which period starts around 145 mya?, Cretaceous, Cambrian, Paleogene, Jurassic, Which period starts around 200 mya?, Triassic, Neogene, Permian, Jurassic, Which period has first dinosaurs?, Jurassic, Cretaceous, Triassic, Devonian, Which period starts around 250 mya?, Triassic, Carboniferous, Ordovician, Permian.

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