Tortonian
Geologic time scale
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The Tortonian is in the geologic time scale an age or stage of the late Miocene that spans the time between 11.608 ± 0.005 Ma and 7.246 ± 0.005 Ma. It follows the Serravallian and is followed by the Messinian. Wikipedia
Occurred: 11.63 million years ago - 7.246 million years ago
Epoch: Miocene
Age: 11.6 million to 7.2 million years ago
Lower boundary definition: LAD of the Haptophyte Discoaster kugleri
Lower boundary GSSP: Monte dei Corvi Beach section, Ancona, Italy; 43°35′12″N 13°34′10″E / 43.5867°N 13.5694°E
Lower GSSP ratified: 2003
Organisms
