Encyclopedia
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Devonian: Encyclopedia Ii - Devonian - Naming
The period is named after Devon, England where Devonian outcrops are common. While the rock beds that define the start and end of the per...
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Encyclopedia
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Devonian: Encyclopedia Ii - Devonian - Devonian Fauna
Devonian - Marine biota.
Sea levels in the Devonian were generally high. Marine faunas continued to be dominated by bryozoa, diverse an...
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Encyclopedia
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Devonian: Encyclopedia Ii - Devonian - Devonian Subdivisions
The Devonian is usually broken into lower, middle, and upper subdivisions. The faunal stages from youngest to oldest are:
Devonian - Upp...
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Encyclopedia
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Devonian: Encyclopedia Ii - Devonian - Devonian Palaeogeography
The Devonian period was a time of great tectonic activity, as Laurasia and Gondwanaland drew closer together. The continent Euramerica (o...
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