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Triassic Period

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Triassic Period

Period of geological time 245–208 million years ago, the first period of the Mesozoic era. The present continents were fused together in the form of the world continent Pangaea. Triassic sediments contain remains of early dinosaurs and other animals now extinct. By late Triassic times, the first mammals had evolved.

There was a mass extinction of 95% of plants at the end of the Triassic possibly caused by rising temperatures.



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During the Triassic period, the kangaroo-sized, plant-eating species lived in herds on lushly vegetated islands around where Bristol now is.
The "socket-tooth lizard" lived on hot and vegetated islands which made up south west England during the Triassic period, the remnants of one survives today as the Bristol Downs.
The first dinosaurs appeared in the Triassic period almost 220 million years ago, developing through the Jurassic period 150 million years ago and into the Cretaceous period 127 million years ago.
 
 
 
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