KnowraProterozoicLinked fromLinked fromThe 9 pages that link to Proterozoic, each with the reason it gives.All 9Broader topic 3Related 1Narrower topic 5PrecambrianBroader topic: It is the final and longest eon within the Precambrian.Oxygenation of Earth's atmosphereBroader topic: Atmospheric oxygen rose in stages through this eon.Fennoscandian ShieldBroader topic: Most shield crust and its major tectonic belts developed during the Proterozoic.