Jurassic

Jurassic

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Jurassic Period 201.3–145 million years ago PreЄ Є O S D C P T J K Pg N

Mean atmospheric O 2 content over period duration	c. 26 vol % (130 % of modern level)

Mean atmospheric CO 2 content over period duration	c. 1950 ppm (7 times pre-industrial level)

Mean surface temperature over period duration	c. 16.5 °C (3 °C above modern level)

Key events in the JurassicThis box: viewtalkedit-205 —–-200 —–-195 —–-190 —–-185 —–-180 —–-175 —–-170 —–-165 —–-160 —–-155 —–-150 —–-145 —–M e s o z o i cTriassicJ u r a s s i cCretaceousE a r l yM i d d l eL a t eHettangianSinemurianPliensbachianToarcianAalenianBajocianBathonianCallovianOxfordianKimmeridgianTithonian An approximate timescale of key Jurassic events.

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The Jurassic period spanned from 201.3 million years ago (Mya) to 145 Mya.

final_sentence: The Jurassic period spanned from 201.3 million years ago (Mya) to 145 Mya.