Precambrian aeon

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Noun

Precambrian aeon - the eon following the Hadean time and preceding the Phanerozoic eon; from about 3,800 million years ago until 544 million years ago

Precambrian, Precambrian eon, Precambrian period

Proterozoic, Proterozoic aeon, Proterozoic eon - from 2,500 to 544 million years ago; bacteria and fungi; primitive multicellular organisms

Archaeozoic, Archaeozoic aeon, Archean, Archean aeon, Archean eon, Archeozoic, Archeozoic eon - the time from 3,800 million years to 2,500 million years ago; earth's crust formed; unicellular organisms are earliest forms of life

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Archaeozoic Archaeozoic aeon Archean Archean aeon Archean eon Archeozoic Archeozoic eon Precambrian Precambrian eon Precambrian period Proterozoic Proterozoic aeon Proterozoic eon			prearranged fire prearrangement Prease preassault operation preassemble Preassurance Preataxic preatomic Preaudience preaxial prebend Prebendal prebendary Prebendaryship Prebendate Prebendship prebiological prebiotic preboard Prebronchial prebuilt prebuttal Precalculate precalculus Precambrian Precambrian aeon Precambrian eon Precambrian period precancel precancer precancerous Precant precarious precariously Precariousness precast precast concrete Precation Precative precatory Precatory words precaution Precautional precautionary precautionary launch precautionary search and rescue and/or combat search and rescue Precautious precava Precedaneous precede precedence			Preble's meadow jumping mouse Preble, Edward prebloom preboard preboarded preboarding preboards prebook method prebook method prebook method prebook method Preboot Execution Environment preboring preboring prebreaker Prebronchial prebuilt prebuttal prebuttals PREC precaching Precal Precalc Precalculate precalculus Precalculus and Discrete Math Precambrain Precambrain Precambrian Precambrian Precambrian aeon Precambrian Crystalline Rocks Precambrian eon Precambrian era Precambrian era Precambrian Eras of Folding Precambrian Geology and Geochronology, Institute of IGGD Precambrian period Precambrian Shield Precambrian Shield Precambrian Time Precambrian Time Precambrian, Paleozoic, Mesozoic, Cenozoic precancel Precancel Stamp Society Precancel Stamp Society of Great Britain precanceled precanceling precancellation precancelled precancelling precancels precancer precancer precancer precancerous precancerous precancerous Precancerous cells Precancerous cells Precancerous cells

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