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Permian · 298.9 – 251.9 Ma

Permian fossil sites

The Permian saw the rise of synapsid 'mammal-like reptiles' that would dominate the next era of vertebrate evolution. The period ended with the largest mass extinction in Earth's history, eliminating an estimated 95% of marine species.

Fossils typical of this period: synapsid reptiles, brachiopods, ammonoids, fusulinid foraminifera, plant fossils.

3 fossil sites