World Of Taxonomy
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Geological Timescale
Official standard
Full Name
International Chronostratigraphic Chart (Eons/Eras)
Region
Global
Codes
20
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0
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ICS/IUGS
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Manual Transcription
License: CC BY 4.0
Verified: 2026-04-21
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Geological Timescale - WorldOfTaxonomy | WorldOfTaxonomy