Blackwell Publishing
Precambrian Paleozoic Mesozoic Cainozoic
Triassic 248 MYRBP Jurassic 213 MYRBP Cretaceous 144 MYRBP

A mass extinction occured at the end of the Triassic. This was probably caused by traumatic environmental circumstances which imposed exceptional selective forces.

The late Triassic was marked by increased rainfall, and this may have caused a fall in sea levels. Some authors have speculated that these were the traumas responsible for this extinction event.

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