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Which stages make up the Llandovery Series?
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Silurian Period
Distribution of landmasses, mountainous regions, shallow seas, and deep ocean basins during the middle part of the Silurian Period. Included in the paleogeographic reconstruction are the locations of the interval's subduction zones.
The Llandovery Series is the lowermost of the four main divisions of the Silurian Period. It is formally subdivided into three worldwide stages:12