Llandovery_epoch
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Birth and death years unknown
In the geological timescale, the Llandovery Epoch or Early Silurian (from 443.1 ± 0.9 million years ago to 432.9 ± 1.2 million years ago) occurred at the beginning of the Silurian Period. The Llandoverian Epoch follows the massive Ordovician-Silurian extinction events, which led to a large decrease in biodiversity and an opening up of ecosystems. Widespread reef building started in this period and
* Calculated from Wikipedia data.
Accuracy is not guaranteed.
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