bn:14035350n
Noun Concept
Categories: Geochronology stubs, Eifelian, Middle Devonian
EN
Eifelian
EN
The Eifelian is the first of two faunal stages in the Middle Devonian Epoch. Wikipedia
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EN
The Eifelian is the first of two faunal stages in the Middle Devonian Epoch. Wikipedia
first age of the Middle Devonian epoch Wikidata
A subdivision of the Devonian period. Wiktionary
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