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This article needs attention from an expert in Geology. The specific problem is: 1911 Encyclopædia Britannica article outdated. See the talk page for details. WikiProject Geology may be able to help recruit an expert. (October 2017)

The Ludlow Group are geologic formations deposited during the Ludlow epoch of the Silurian period in the British Isles, in areas of England, Ireland, Scotland, and Wales. ^{[verification needed]}