Jul 21, 2024 · The Jurassic is when the first gigantic sauropod and theropod dinosaurs appeared on Earth, a far cry from their slender, man-sized ancestors of the preceding Triassic period. But the fact is that dinosaur diversity reached its peak in the ensuing Cretaceous period.

Aug 1, 2016 · On this page you’ll learn about the dinosaur periods of the Mesozoic Era – the ‘Age of Reptiles’. We’ll look at each of the three ‘dinosaur periods’ – the Triassic , Jurassic and Cretaceous – and find out what life on Earth was like in those times.

Dinosaurs were the dominant terrestrial vertebrates of the Mesozoic Era, especially the Jurassic and Cretaceous periods.

May 24, 2023 · What Are The Three Time Periods The Dinosaurs Lived In? The dinosaurs roamed the earth for more than 150 million years. The Mesozoic Era, lasting from about 252 MYA to 66 MYA, marks the time of the dinosaurs (i.e. archosaurian reptiles).

Jun 21, 2023 · Learn about the different periods of the dinosaur timeline, from the Triassic to the Cretaceous, and explore the fascinating world of these prehistoric creatures. The history of dinosaurs spans millions of years.

The Mesozoic Era [3] is the era of Earth's geological history, lasting from about , comprising the Triassic, Jurassic and Cretaceous Periods. It is characterized by the dominance of archosaurian reptiles such as the dinosaurs, and of gymnosperms such as cycads , ginkgoaceae and araucarian conifers; a hot greenhouse climate; and the tectonic ...

Oct 27, 2009 · Dinosaurs mysteriously disappeared at the end of the Cretaceous Period, around 65 million years ago. Many other types of animals, as well as many species of plants, died out around...

Mar 14, 2025 · Dinosaurs Secrets of 1st dinosaurs lie in the Sahara and Amazon rainforest, study suggests Dinosaurs Australia's 'upside down' dinosaur age had two giant predators, 120 million-year-old fossils reveal

Jun 6, 2024 · Welcome to the Active Wild Dinosaurs page, your all-in-one guide to the rulers of the Mesozoic Era! Below, you’ll find a list of dinosaurs by period (Triassic, Jurassic and Cretaceous). Click on the links to see pictures and info on your favorite dino!

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-bird dinosaurs lived between about 245 and 66 million years ago, in a time known as the Mesozoic Era.