North American Land Mammal Ages
The interval definitions in this timescale are derived from the following sources:
- 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
- P. L. Gibbard, M. J. Head, and M. J. C. Walker. 2010. Formal ratification of the Quaternary System/Period and the Pleistocene Series/Epoch with a base at 2.58 Ma. Journal of Quaternary Science 25(2):96-102 view
- J. Meng and M. C. McKenna. 1998. Faunal turnovers of Paleogene mammals from the Mongolian Plateau. Nature 394:364-367 view
There are 13 timescales which overlap this one. show
This timescale is used in the definition of 7507 collections
| International Chronostratigraphic Timescale | North American Land Mammal Ages | Cenozoic Subepochs of Southern Europe | Paleogene Mammal Ages of Asia | ||||
|---|---|---|---|---|---|---|---|
| Quaternary | Holocene | Meghalayan | Saintaugustinean | 0 | |||
| Santarosean | 0.0004 | ||||||
| Northgrippian | 0.0042 | ||||||
| Greenlandian | 0.0082 | ||||||
| Pleistocene | Late Pleistocene | Tarantian | 0.0117 | ||||
| Rancholabrean | 0.014 | ||||||
| Chibanian | Ionian | 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 | Tabenbulakian | Hsandagolian | 23.03 | ||
| Rupelian | Kekeamuan | 27.82 | |||||
| Whitneyan | 29.5 | ||||||
| Orellan | 31.8 | ||||||
| Eocene | Priabonian | Chadronian | Houldjinian/Ergilian/Ulangochuian | 33.9 | |||
| Duchesnean | 37 | ||||||
| Bartonian | Sharamurunian/Irdinmanhan/Arshantan | 37.71 | |||||
| Uintan | 39.7 | ||||||
| Lutetian | 41.2 | ||||||
| Bridgerian | 46.2 | ||||||
| Ypresian | Bumbanian | 47.8 | |||||
| Wasatchian | 50.5 | ||||||
| Clarkforkian | 54.9 | ||||||
| Paleocene | Thanetian | Gashatan | 56 | ||||
| Tiffanian | 56.2 | ||||||
| Selandian | 59.2 | ||||||
| Torrejonian | 60.9 | ||||||
| Danian | 61.6 | ||||||
| Puercan | 63.8 | ||||||
| 66 | |||||||