First dinosaurs
~230 mya · Event
Dinosaurs emerge during the late Triassic and come to dominate terrestrial ecosystems.
On these timelines: Master
Around 230000000 BCE
- Permian–Triassic extinction (252000000 BCE)
- First mammals (225000000 BCE)
~230 mya · Event
Dinosaurs emerge during the late Triassic and come to dominate terrestrial ecosystems.
On these timelines: Master