Dinosaurs are the extinct relatives of birds that roamed the lands and seas of ancient Earth. They first appeared around 240 ...

Dinosaurs were the true kings of the Jurassic and Cretaceous periods. For millions of years, velociraptor, T-Rex, and your other favorites reigned supreme. But they weren't always on top.

The Triassic Period was a time of great change. Bookended by extinctions, this era saw huge shifts in the diversity and dominance of life on Earth, ushering in the appearance of many well-known groups ...

Explore the age of the dinosaurs. Discover what the prehistoric world was like and how it changed between when dinosaurs first appeared and the mass extinction at the end of the Cretaceous Period. Non ...

The Triassic period stands out in Earth’s history as the time when dinosaurs first evolved. It was followed by the Jurassic and Cretaceous periods – at the end of the latter, the dinosaurs ...

Map shows how the major continents were arranged 220 million years ago in the Pangea supercontinent. "Isch" and "P" mark locations with sauropodomorph fossils up to 233 million years old.

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