https://gcmdservices.gsfc.nasa.gov/kms/concept/a26a2ddd-4eb0-4aa8-a6db-8b47622b5dbe
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definition | The Barremian is an age in the geologic timescale (or a chronostratigraphic stage) between 129.4 ± 1.5 Ma (million years ago) and 125.0 ± 1.0 Ma). It is a subdivision of the Early Cretaceous epoch (or Lower Cretaceous series). It is preceded by the Hauterivian and followed by the Aptian stage. | ||||||
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in scheme | chronounits original |