Carboniferous Period
359-299 million years ago · Event
The coal age: tropical swamp forests bury carbon on a scale never repeated, oxygen soars, insects grow to nightmare sizes — and the first amniotes lay shelled eggs, freeing vertebrates from the water for good. The mammal and reptile lines part company here.
On these timelines: The Age of Dinosaurs, Master
More from The Age of Dinosaurs
- Cretaceous–Paleogene extinction (66000000 BCE)
- Tyrannosaurus rex (68000000 BCE)
- Mesozoic Era (252000000 BCE)
- Paleozoic Era (541000000 BCE)
- Jurassic Period (201000000 BCE)
- Cretaceous Period (145000000 BCE)
- Triassic Period (252000000 BCE)
- Archaeopteryx and the first birds (150000000 BCE)
Around 359000000 BCE
- First tetrapods on land (375000000 BCE)
- First forests (385000000 BCE)