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Precambrian Eon
Precambrian Era This information is inorganic. -
Precambrian Eon
Proterozoic Era This information is inorganic. -
Phanerozoic Eon
Paleozoic Era
Cambrian Period This information is organic. -
Phanerozoic Eon
Paleozoic Era
Cambrian Period This information is organic. -
Phanerozoic Eon
Paleozoic Era
Cambrian Period This information is organic. -
Phanerozoic Eon
Paleozoic Era
Cambrian Period This information is inorganic. -
Phanerozoic Eon
Paleozoic Era
Cambrian Period This information is inorganic. -
Phanerozoic Eon
Paleozoic Era
Devonian Period This information is organic. -
Phanerozoic Eon
Paleozoic Era
Devonian Period This information is organic. -
Phanerozoic Eon
Paleozoic Era
Carboniferous Period This information is organic. -
Phanerozoic Eon
Paleozoic Era
Carboniferous Period This information is inorganic. -
Phanerozoic Eon
Paleozoic Era
Carboniferous Period This information is inorganic. -
Phanerozoic Eon
Paleozoic Era
Carboniferous Period: Lower Mississippian Period This information is organic. -
Phanerozoic Eon
Paleozoic Era-Mesozoic Era
Carboniferous-Triassic Period This information is inorganic. -
Phanerozoic Eon
Mesozoic Era
Triassic-Cretaceous Period This information is inorganic. -
Phanerozoic Eon
Mesozoic Era
Jurassic Period This information is organic. -
Phanerozoic Eon
Mesozoic Era
Jurassic Period This information is organic. -
Phanerozoic Eon
Mesozoic Era
Cretaceous Period This information is inorganic. -
Phanerozoic Eon
Mesozoic Era
Cretaceous Period This information is inorganic. -
Phanerozoic Eon
Cenozoic Era
Neogene Period This information is inorganic. -
Phanerozoic Eon
Cenozoic Era
Quarternary Period This information is organic. -
Phanerozoic Eon
Ceonozoic Era
Quarternary Period This information is inorganic.