First mammals
~225 mya · Event
Small mammaliaforms emerge in the late Triassic, living alongside the early dinosaurs.
On these timelines: Master, The Age of Dinosaurs
Around 225000000 BCE
- First dinosaurs (230000000 BCE)
- First pterosaurs take flight (228000000 BCE)
- Coelophysis (215000000 BCE)
- Plateosaurus (214000000 BCE)