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 | Cretaceous-Cenozoic of New Zealand | ||||
---|---|---|---|---|---|---|
0 | ||||||
1.4 | ||||||
2.4 | ||||||
Neogene | Pliocene | Piacenzian | Blancan | Wanganui | Mangapanian | 2.58 |
Waipipian | 3 | |||||
Zanclean | 3.6 | |||||
Opoitian | 3.7 | |||||
Hemphillian | 4.7 | |||||
Miocene | Messinian | Taranaki | Kapitean | 5.333 | ||
Tongaporutuan | 7.2 | |||||
Tortonian | 7.246 | |||||
Clarendonian | 9.4 | |||||
Southland | Waiauan | 11.04 | ||||
Serravallian | 11.63 | |||||
Barstovian | 12.5 | |||||
Lillburnian | 13.05 | |||||
Langhian | 13.82 | |||||
Clifdenian | 15.1 | |||||
Pareora | Altonian | 15.9 | ||||
Burdigalian | 15.98 | |||||
Hemingfordian | 16.3 | |||||
Arikareean | 18.5 | |||||
Otaian | 18.7 | |||||
Aquitanian | 20.44 | |||||
Landon | Waitakian | 21.7 | ||||
23.03 | ||||||
25.2 | ||||||
29.5 | ||||||
34.6 |