Geologic Time Scale of Oxidi
- 0 - 600,000,000: Preorganic Eon (Directory)
- 600,000,000 - 1,500,000,000: Primordial Eon (Directory)
- 600,000,000 - 950,000,000: Precellular Era (Timeline)
- 950,000,000 - 1,500,000,000: Pseudocellular Era (Timeline)
- 1,500,000,000 - 1,900,000,000: Umbrian Eon (Directory)
- 1,900,000,000 - 2,500,000,000: Illumine Eon (Directory)
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