Early Miocene subepoch

23.03 - 15.98 Ma

The definition of this interval in the timescale Cenozoic Subepochs is taken from the following source:

  • W. B. Harland, R. L. Armstrong, A. V. Cox, L. E. Craig, A. G. Smith and D. G. Smith. 1990. A Geologic Time Scale 1989. view

There are intervals in 8 timescales which overlap this one. show

This interval is used in the definition of 1825 collections

A total of 4707 collections with 45866 occurrences lie within this time span

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International Chronostratigraphic TimescaleCenozoic SubepochsNorth American Mammal Subages/Zones
NeogenePliocenePiacenzianLate PlioceneSenecan/Rexroadian2.58
ZancleanEarly Pliocene3.6
Late Hemphillian/late Early Hemphillian/early Early Hemphillian4.7
MioceneMessinianLate Miocene5.333
Late Clarendonian/Early Clarendonian9.4
SerravallianMiddle Miocene11.63
late Late Barstovian/early Late Barstovian/Early Barstovian12.5
BurdigalianEarly Miocene15.98
Late Hemingfordian/Early Hemingfordian16.3
late Late Arikareean/early Late Arikareean/late Early Arikareean/early Early Arikareean/Harrisonian18.5
23.03 *