Concept information
Preferred term
Chadronian
Definition
- The Chadronian age within the North American Land Mammal Ages chronology is a lower Oligocene continental North American faunal stage typically set from 38,000,000 to 33,900,000 years BP, a period of 4.1 million years ; from Chadron (Nebraska). The Chadronian is preceded by the Duchesnean and followed by the Orellan NALMA stages. (Adapted from: https://en.wikipedia.org/wiki/Chadronian)
Broader concept
In other languages
-
French
URI
http://data.loterre.fr/ark:/67375/QX8-JHXMRX1R-G
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