Topic
Oxfordian.
first stage and age of the Upper Jurassic series / Late Jurassic epoch
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About Oxfordian
The Oxfordian is, in the ICS' geologic timescale, the earliest age of the Late Jurassic Epoch, or the lowest stage of the Upper Jurassic Series. It spans the time between 161.5 ± 1.0 Ma and 154.8 ± 0.8 Ma. The Oxfordian is preceded by the Callovian and is followed by the Kimmeridgian.
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