The Permian Period by: La'Kaysha Governor & Kyla Rembert


The Permian Period began about 290 million years ago. During this period, the continents started to drift together to form the super-continent, Pangaea.

Earth during the Permian Period


  • This period was known to be cool and dry.
  • The average temperature was 16 degrees Celsius (61 degrees Fahrenheit).


  • Edapharorsauros
  • Dimeterdon
  • Eryops
  • Diplocaulus
  • Archosaurs
  • Amphibians
  • Anthropods
  • Worms







  • Lycopods
  • Sphenopsids
  • Calamites
  • Cordaitales
  • Ferns
  • Ginkgos
  • Conifers

The Great Dying

The permian period ended with the greatest mass extinction in Earth's history.

  • 95 percent of marine species became extinct.
  • 70 percent of land animals went extinct.
  • The oxygen levels during the end of the Permian Period went from 35 percent to 15 percent (animals need about 20 percent of oxygen to live).
  • There was evidence of volcanic activity in Siberia and China. This series of massive eruptions would have initially caused a rapid cooling of global temperatures.
  • This “nuclear winter” would have led to the end of plants.
  • Lowered sea levels and volcanic fallout would have led to much higher levels of carbon dioxide in the oceans, which may have led to the collapse of marine ecosystems.
  • Other scientists point to indications of a huge asteroid colliding the southernmost tip of the Pangaea in what is now Australia.
  • But the actual cause of the Great Dying is still unknown to this day.


Created By
La'Kaysha Governor

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