Hemingfordian age
18.5 - 16.3 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 286 collections
A total of 642 collections with 6546 occurrences lie within this time span
International Chronostratigraphic Timescale | North American Land Mammal Ages | European Faunal Zones | |||
---|---|---|---|---|---|
1.4 | |||||
Neogene | Pliocene | Piacenzian | Blancan | MN 16 | 2.58 |
MN 15 | 3.2 | ||||
Zanclean | 3.6 | ||||
MN 14 | 4.2 | ||||
Hemphillian | 4.7 | ||||
MN 13 | 4.9 | ||||
Miocene | Messinian | 5.333 | |||
Tortonian | MN 12 | 7.246 | |||
MN 11 | 7.75 | ||||
MN 10 | 8.7 | ||||
Clarendonian | 9.4 | ||||
MN 9 | 9.7 | ||||
MN 7 + 8 | 11.1 | ||||
Serravallian | 11.63 | ||||
Barstovian | 12.5 | ||||
MN 6 | 12.8 * | ||||
Langhian | MN 5 | 13.82 | |||
Burdigalian | MN 4 | 15.98 | |||
Hemingfordian | 16.3 | ||||
MN 3 | 16.9 | ||||
Arikareean | 18.5 | ||||
MN 2 | 20 | ||||
Aquitanian | 20.44 | ||||
MN 1 | 22.4 | ||||
23.03 | |||||
29.5 |