References:
The Gaudalupian event occured about 5 million years before the Permian event. About 58% of marine life went extinct due to this event.
The world was dominated by marine life throughout this era.
End of Paleozoic Era. This era closes out with the Permian-Triassic extinction event.
245 Ma
Bioturbation, which is the movement of sediment by living organisms, is said to have played a large role in both oxygenation and deoxygenation events during the Paleozoic.
Start of Paleozoic Era. This era started off with the Cambrian Explosion.
540 Ma
Approximately 540 - 245 Million Years Ago
Paleozoic Era
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Paleozoic Era
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Transcript
References:
The Gaudalupian event occured about 5 million years before the Permian event. About 58% of marine life went extinct due to this event.
The world was dominated by marine life throughout this era.
End of Paleozoic Era. This era closes out with the Permian-Triassic extinction event.
245 Ma
Bioturbation, which is the movement of sediment by living organisms, is said to have played a large role in both oxygenation and deoxygenation events during the Paleozoic.
Start of Paleozoic Era. This era started off with the Cambrian Explosion.
540 Ma
Approximately 540 - 245 Million Years Ago
Paleozoic Era