Non-bird dinosaurs lived between about 245 and 66 million years ago, in a time known as the mesozoic era.
This was many millions of years before the first modern humans, homo.
Learn the complete timeline of dinosaurs on earth, understanding when they lived and how scientists uncovered their ancient history.
Let's take a look at the dinosaur periods timeline in more detail, so we can understand which types of dinosaurs lived in each period, and how these amazing animals ended up becoming.
This era ended up introducing some of the most famous dinosaurs in the history of the dinosaur timeline.
The most prominent examples were the tyrannosaurus rex, triceratops,.
Throughout the mesozoic era, which lasted from about 252. 2 million to 66 million years ago, dinosaurs were the dominant terrestrial animals.
The reign of the dinosaurs came to an abrupt.
They first appeared during the triassic period, between 243 and 233. 23 million years ago (mya), although the exact origin and timing of the evolution of dinosaurs is a subject of active research.