Tortonian age

11.63 - 7.246 Ma

The definition of this interval in the timescale International Chronostratigraphic Timescale is taken from the following source:

  • K. M. Cohen, S.C. Finney, P.L. Gibbard and J.-X. Fan. 2023. The ICS International Chronostratigraphic Chart v2023/09. view

There are intervals in 10 timescales which overlap this one. show

This interval is used in the definition of 1511 collections

A total of 3684 collections with 36789 occurrences lie within this time span

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International Chronostratigraphic TimescaleNorth American Land Mammal Ages
1.4
NeogenePliocenePiacenzianBlancan2.58
Zanclean3.6
Hemphillian4.7
MioceneMessinian5.333
Tortonian7.246
Clarendonian9.4
Serravallian11.63
Barstovian12.5
Langhian13.82
Burdigalian15.98
Hemingfordian16.3
Arikareean18.5
Aquitanian20.44
23.03
29.5