Epoch Early Triassic Epoch

Time runs left (older) → right (younger) · Hover a card for details

Slow recovery from P-T extinction; first dinosaur precursors (251.902-247.2 Ma).

251.90 Ma – 247.20 Ma · 4.70 Ma duration

Axis labels in Ma (millions of years ago) · Click a card for details

Early Triassic Epoch 1

251.902 Ma End-Permian Extinction The Great Dying — 96% of marine species lost Largest mass extinction; caused by Siberian Traps volcanism, ocean acidification and anoxia.