Triassic

Triassic

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Triassic Period 251.902–201.3 million years ago PreЄ Є O S D C P T J K Pg N

Mean atmospheric O 2 content over period duration	c. 16 vol % (80 % of modern level)

Mean atmospheric CO 2 content over period duration	c. 1750 ppm (6 times pre-industrial level)

Mean surface temperature over period duration	c. 17 °C (3 °C above modern level)

Key events in the TriassicThis box: viewtalkedit-255 —–-250 —–-245 —–-240 —–-235 —–-230 —–-225 —–-220 —–-215 —–-210 —–-205 —–-200 —P zM e s o z o i cPermianT r i a s s i cJurassicE a r l yM i d d l eL a t eInduanOlenekian AnisianLadinianCarnianNorianRhaetian ←Mass extinction←Full recovery of woody trees←Coals return←Scleractinian corals & calcified spongesAn approximate timescale of key Triassic events.

Sentence(s)

The Triassic is a period which spans from the end of 251.9 million years ago (Mya), to the beginning of 201.3 Mya.

final_sentence: The Triassic is a period which spans from the end of 251.9 million years ago (Mya), to the beginning of 201.3 Mya.