Duchesnean age
39.7 - 37 Ma
The definition of this interval in the timescale North American Land Mammal Ages is taken from the following source:
- A. D. Barnosky, M. Holmes, R. Kirchholtes, E. Lindsey, K.C. Maguire, A.W. Poust, M.A. Stegner, J. Sunseri, B. Swartz, J. Swift, N.A. Villavicencio and G. Wogan. 2014. Prelude to the Anthropocene: Two new North American Land Mammal Ages (NALMAs). The Anthropocene Review I(3):225-242 view
There are intervals in 6 timescales which overlap this one. show
This interval is used in the definition of 108 collections
A total of 1664 collections with 20527 occurrences lie within this time span
International Chronostratigraphic Timescale | North American Land Mammal Ages | Cenozoic Subepochs | |||
---|---|---|---|---|---|
18.5 | |||||
Paleogene | Oligocene | Chattian | Arikareean | Late Oligocene | 23.03 |
Rupelian | Early Oligocene | 27.82 | |||
Whitneyan | 29.5 | ||||
Orellan | 31.8 | ||||
Eocene | Priabonian | Chadronian | Late Eocene | 33.9 | |
Duchesnean | 37 | ||||
Bartonian | Middle Eocene | 37.71 | |||
Uintan | 39.7 | ||||
Lutetian | 41.2 | ||||
Bridgerian | 46.2 | ||||
Ypresian | Early Eocene | 47.8 | |||
Wasatchian | 50.5 | ||||
Clarkforkian | 54.9 | ||||
Paleocene | Thanetian | Late Paleocene | 56 | ||
Tiffanian | 56.2 | ||||
Selandian | Middle Paleocene | 59.2 | |||
Torrejonian | 60.9 | ||||
Danian | Early Paleocene | 61.6 | |||
Puercan | 63.8 | ||||
66 |