Chadronian age
37 - 33.9 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 7 timescales which overlap this one. show
This interval is used in the definition of 278 collections
A total of 2891 collections with 32111 occurrences lie within this time span
| International Chronostratigraphic Timescale | North American Land Mammal Ages | Cretaceous-Cenozoic of New Zealand | ||||
|---|---|---|---|---|---|---|
| 18.5 | ||||||
| 21.7 | ||||||
| Paleogene | Oligocene | Chattian | Arikareean | Landon | Waitakian | 23.03 |
| Duntroonian | 25.2 | |||||
| Whaingaroan | 27.3 | |||||
| Rupelian | 27.82 | |||||
| Whitneyan | 29.5 | |||||
| Orellan | 31.8 | |||||
| Eocene | Priabonian | Chadronian | 33.9 | |||
| Arnold | Runangan | 34.6 | ||||
| Kaiatan | 36.7 | |||||
| Duchesnean | 37 | |||||
| Bartonian | 37.71 | |||||
| Bortonian | 39.1 | |||||
| Uintan | 39.7 | |||||
| Lutetian | 41.2 | |||||
| Dannevirke | Porangan | 42.6 | ||||
| Heretaungan | 45.7 | |||||
| Bridgerian | 46.2 | |||||
| Ypresian | 47.8 | |||||
| Mangaorapan | 48.9 | |||||
| Wasatchian | 50.5 | |||||
| Waipawan | 52 | |||||
| Clarkforkian | 54.9 | |||||
| Paleocene | Thanetian | Teurian | 56 | |||
| Tiffanian | 56.2 | |||||
| Selandian | 59.2 | |||||
| Torrejonian | 60.9 | |||||
| Danian | 61.6 | |||||
| Puercan | 63.8 | |||||
| 66 | ||||||