Thecodontion, Vessel of Iniquity - The Permian​-​Triassic Extinction Event

Ordovician-Silurian Extinction | Overview & Causes

Ordovician-Silurian extinction | Overview & Facts | Britannica

Siberian Traps likely culprit for end-Permian extinction

DHC | History, Entertainment & News on Instagram: "Across Earth’s 4.5 billion-year history, five major mass extinctions have erased enormous portions of life, redefining the course of evolution: • Ordovician-Silurian Extinction (≈444 million years ago): About 85% of marine species vanished as severe ice ages caused sea levels to drop and ecosystems to collapse. • Permian-Triassic Extinction (≈252 million years ago): “The Great Dying” The most catastrophic event in Earth’s history, eliminating ~9

Gravity of Thoughts on Instagram: "252 million years ago… our planet witnessed the worst extinction in Earth’s history. A time when over 90% of marine species and 70% of land animals vanished forever. Volcanic eruptions in what is now Siberia released toxic gases, darkened the skies, and turned the oceans acidic. Oxygen levels dropped. Temperatures soared. And life itself was nearly erased. They call it “The Great Dying.” The Permian–Triassic extinction, the closest Earth ever came to becoming l