Ìgbà Tríásíkì |
Ìgbà Tríásíkì 251–199.6 ẹgbẹgbẹ̀rún ọdun sẹ́yìn | |
Mean atmospheric | ca. 16 Vol %[1] (80 % of modern level) |
Mean atmospheric | ca. 1750 ppm[2] (6 times pre-industrial level) |
Mean surface temperature over period duration | ca. 17 °C[3] (3 °C above modern level) |
The Triassic is a geologic period that extended from about 250 to 200 Mya (million years ago). As the first period of the Mesozoic Era, the Triassic follows the
During the Triassic, both marine and continental life show an adaptive radiation beginning from the starkly impoverished biosphere that followed the Permian-Triassic extinction. Corals of the hexacorallia group made their first appearance. The first flying vertebrates, the pterosaurs, evolved during the Triassic.
![]() | Àyọkà yìí tàbí apá rẹ̀ únfẹ́ àtúnṣe sí. Ẹ le |
Lower/Early Triassic | Middle Triassic | Upper/Late Triassic |
---|---|---|
Induan | Olenekian | Anisian | Ladinian |
Carnian |
Norian Rhaetian |
Preceded by Proterozoic Eon | 542 Ma - Phanerozoic Eon - Present | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
542 Ma - |
251 Ma - Mesozoic Era - 65 Ma | 65 Ma - Cenozoic Era - Present | ||||||||||
Tríásíkì | Quaternary |
|