How long did dinisourse live?

Answer 1

Dinosaurs thrived on Earth for approximately 165 million years, from their emergence in the Triassic period around 230 million years ago until their mass extinction about 66 million years ago at the end of the Cretaceous period. This extensive time frame allowed for a diverse range of species to evolve and adapt to various environments. While some smaller dinosaurs existed until the end of the Cretaceous, the majority of them disappeared during the mass extinction event.