Blancan age
4.7 - 1.4 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 8 timescales which overlap this one. show
This interval is used in the definition of 627 collections
A total of 6671 collections with 76456 occurrences lie within this time span
| International Chronostratigraphic Timescale | North American Land Mammal Ages | North American Mammal Subages/Zones | |||||
|---|---|---|---|---|---|---|---|
| Quaternary | Holocene | Meghalayan | Saintaugustinean | 0 | |||
| Santarosean | 0.0004 | ||||||
| Northgrippian | 0.0042 | ||||||
| Greenlandian | 0.0082 | ||||||
| Pleistocene | Late Pleistocene | Sheridanian | 0.0117 | ||||
| Rancholabrean | 0.014 | ||||||
| Chibanian | 0.129 | ||||||
| Irvingtonian | Cudahyan/Sappan | 0.21 | |||||
| Calabrian | 0.774 | ||||||
| Blancan | Senecan/Rexroadian | 1.4 | |||||
| Gelasian | 1.8 | ||||||
| Neogene | Pliocene | Piacenzian | 2.58 | ||||
| Zanclean | 3.6 | ||||||
| Hemphillian | Late Hemphillian/late Early Hemphillian/early Early Hemphillian | 4.7 | |||||
| Miocene | Messinian | 5.333 | |||||
| Tortonian | 7.246 | ||||||
| Clarendonian | Late Clarendonian/Early Clarendonian | 9.4 | |||||
| Serravallian | 11.63 | ||||||
| Barstovian | late Late Barstovian/early Late Barstovian/Early Barstovian | 12.5 | |||||
| Langhian | 13.82 | ||||||
| Burdigalian | 15.98 | ||||||
| Hemingfordian | Late Hemingfordian/Early Hemingfordian | 16.3 | |||||
| Arikareean | late Late Arikareean/early Late Arikareean/late Early Arikareean/early Early Arikareean | Harrisonian | 18.5 | ||||
| Aquitanian | 20.44 | ||||||
| Paleogene | Oligocene | Chattian | 23.03 | ||||
| Monroecreekian | 23.1 * | ||||||
| Geringian | 24.7 * | ||||||
| Rupelian | 27.82 | ||||||
| Whitneyan | 29.5 | ||||||
| Orellan | 31.8 | ||||||
| Eocene | Priabonian | Chadronian | Late Chadronian/Middle Chadronian/Early Chadronian | 33.9 | |||
| Duchesnean | 37 | ||||||
| Bartonian | 37.71 | ||||||
| Uintan | Late Uintan/Early Uintan | 39.7 | |||||
| Lutetian | 41.2 | ||||||
| Bridgerian | Twinbuttean/Blacksforkian/Gardnerbuttian | 46.2 | |||||
| Ypresian | 47.8 | ||||||
| Wasatchian | Lostcabinian/Lysitean/Graybullian/Sandcouleean | 50.5 | |||||
| Clarkforkian | Cf3/Cf2/Cf1 | 54.9 | |||||
| Paleocene | Thanetian | 56 | |||||
| Tiffanian | Ti6/Ti5/Ti4/Ti3/Ti2/Ti1 | 56.2 | |||||
| Selandian | 59.2 | ||||||
| Torrejonian | To3/To2/To1 | 60.9 | |||||
| Danian | 61.6 | ||||||
| Puercan | Pu3/Pu2/Pu1 | 63.8 | |||||
| 66 | |||||||