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

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International Chronostratigraphic TimescaleNorth American Land Mammal AgesEuropean Faunal Units
1.4
NeogenePliocenePiacenzianBlancanVillanyian2.58
Ruscinian3.1 *
Zanclean3.6
Hemphillian4.7
MioceneMessinianTurolian5.333
Tortonian7.246
Vallesian8.7
Clarendonian9.4
SerravallianAstaracian11.63
Barstovian12.5
Langhian13.82
BurdigalianOrleanian15.98
Hemingfordian16.3
Arikareean18.5
Agenian20
Aquitanian20.44
23.03
29.5