Geologic Time Scale: Devonian Period

The Devonian Period

Famennian Age/Stage

Late Devonian: 371.10 to 359.30 million years ago

Frasnian Age/Stage

Late Devonian: 382.70 to 372.20 million years ago

Givetian Age/Stage

Middle Devonian: 387.70 to 382.70 million years ago

Eifelian Age/Stage

Middle Devonian: 393.3 to 387.70 million years ago

Emsian Age/Stage

Early Devonian: 407.60 to 393.30 million years ago

Pragian Age/Stage

Early Devonian: 410.80 to 407.60 million years ago

Lochkovian Age/Stage

Early Devonian: 419.20 to 410.80 million years ago

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