Geologic Time Scale
Phanerozoic
Paleozoic
Permian
Carboniferous
Devonian
Silurian
Ordovician
Cambrian
Devonian
410-355 Ma
General Info
The Devonian
The Devonian Period
"Definition of the Devonian Period"
Devonian Paleogeography
Fossils
Life of the Devonian
The Devonian Seafloor
Devonian Reef
Gilboa forest
Archaeopteris
Dunkleosteus
Elpistostege
Ichthyostega
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Updated: 5/1/98
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