Duchesnean
The Duchesnean North American Stage is a North American Land Mammal Age (NALMA), covering an age corresponding to 40.1 to 37.0 million years ago.[1] It falls inside the Eocene era. The Duchesnean is preceded by the Uintan and followed by the Chadronian NALMA.
References
[edit]- ↑ Hodnett, John-Paul M.; Welsh, Edward T.; Santucci, Vincent L.; Tweet, Justin S. (2022). "A Middle Eocene brontothere (Mammalia; Perissodactyla; Brontotheriidae) from Yellowstone National Park, Wyoming". FOSSIL RECORD 8. New Mexico Museum of Natural History and Science. p. 211.
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