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 | |||
---|---|---|---|---|
Quaternary | Holocene | Meghalayan | Saintaugustinean | 0 |
Santarosean | 0.0004 | |||
Northgrippian | 0.0042 | |||
Greenlandian | 0.0082 | |||
Pleistocene | Late Pleistocene | 0.0117 | ||
Rancholabrean | 0.014 | |||
Chibanian | 0.129 | |||
Irvingtonian | 0.21 | |||
Calabrian | 0.774 | |||
Blancan | 1.4 | |||
Gelasian | 1.8 | |||
Neogene | Pliocene | Piacenzian | 2.58 | |
Zanclean | 3.6 | |||
Hemphillian | 4.7 | |||
Miocene | Messinian | 5.333 | ||
Tortonian | 7.246 | |||
Clarendonian | 9.4 | |||
Serravallian | 11.63 | |||
Barstovian | 12.5 | |||
Langhian | 13.82 | |||
Burdigalian | 15.98 | |||
Hemingfordian | 16.3 | |||
Arikareean | 18.5 | |||
Aquitanian | 20.44 | |||
Paleogene | Oligocene | Chattian | 23.03 | |
Rupelian | 27.82 | |||
Whitneyan | 29.5 | |||
Orellan | 31.8 | |||
Eocene | Priabonian | Chadronian | 33.9 | |
Duchesnean | 37 | |||
Bartonian | 37.71 | |||
Uintan | 39.7 | |||
Lutetian | 41.2 | |||
Bridgerian | 46.2 | |||
Ypresian | 47.8 | |||
Wasatchian | 50.5 | |||
Clarkforkian | 54.9 | |||
Paleocene | Thanetian | 56 | ||
Tiffanian | 56.2 | |||
Selandian | 59.2 | |||
Torrejonian | 60.9 | |||
Danian | 61.6 | |||
Puercan | 63.8 | |||
66 |