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Paleozoic Era

Joyce Salcedo Vera

Created on February 14, 2023

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Transcript

Paleozoic Era

Trilobites were abundant
Lasted 289 million years
New species adapted to the hotter and dryer climate from Pangaea
All major groups of modern plants formed during this time including ferns, seed plants, moss etc.
541 million years ago
252 million years ago
Pangaea started to form: 299 million years ago
Cambrian Explosion: 539 - 530 million years ago
Permian Extinction: 252 million years ago
Cambrian-Ordovician Extinction: 488 million years ago
Late Devonian Extinction Events: 375 - 358 million years ago
Throughout this era marine life and fish diversified and flourished
Oxygen levels ranged from 15 - 35%
Carbon levels ranged from 0.04 - 0.5%