Lochkovian

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The Lochkovian is one of three faunal stages in the Early Devonian epoch. It lasted from 416 ± 2.8 million years ago to 411.2 ± 2.8 million years ago. It marked the beginning of the Devonian Period, and was followed by the Pragian stage.

Devonian period
Lower/Early Devonian Middle Devonian Upper/Late Devonian
Lochkovian | Pragian
Emsian		 Eifelian | Givetian Frasnian | Famennian
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