In the geological timescale, the Ludlow epoch (from 422.9 ± 2.5 million years ago to 418.7 ± 2.7 million years ago) occurred during the Silurian period, after the end of the Homerian age. The table and timeline of geologic periods presented here is in accordance with the dates and nomenclature proposed by the International Commission on Stratigraphy. ... The Silurian is a major division of the geologic timescale that extends from the end of the Ordovician period, about 443. ...
The Ludlow epoch is subdivided into two stages: Gorstian and Ludfordian.
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