From Infogalactic: the planetary knowledge core
The sub-epoch lasted from 15.97 ± 0.05 Ma to 11.608 ± 0.005 Ma (million years ago). During this period, a sharp drop in global temperatures took place. This event is known as the Middle Miocene Climate Transition.
|Aquitanian | Burdigalian
Langhian | Serravallian
Tortonian | Messinian
|Zanclean | Piacenzian|
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