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Scientists estimate over a thousand dinosaur species once roamed Earth. Learn which ones were the largest and the smallest, what dinosaurs ate and how they behaved, as well as surprising facts about their extinction.
Dinosaurs were a diverse group of reptiles that dominated the land for millions of years, from the Late Triassic period to the end of the Cretaceous period, around 250 to 65 million years ago.
2 days ago · Paleontologists have discovered a new dinosaur species with a very distinctive feature, a sail-like structure running down its back, the Natural History Museum in London announced on Friday.
Oct 27, 2009 · Scientists first began studying dinosaurs during the 1820s, when they discovered the bones of a large land reptile they dubbed a Megalosaurus (“big lizard”) buried in the …
Delve into these fast facts about dinosaurs for kids of all ages. Discover why the Tyrannosaurus had sharp teeth, where the name “dinosaur” comes from, and more! Dinosaurs are a group of …
Mar 19, 2024 · Learn about different types of dinosaurs, their history, discoveries, size, diets, contemporaries, and much more.
Jun 6, 2024 · Complete guide to dinosaurs, with list of dinosaurs from each period. Dinosaur evolution, extinction, types, plus interesting facts.
Dinosaurs are a diverse group of reptiles [note 1] of the clade Dinosauria. 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.
Aug 14, 2025 · Dinosaur, the common name given to a group of reptiles, often very large, that first appeared roughly 245 million years ago and thrived worldwide for nearly 180 million years.
Get to know the different types of these reptiles that dominated the Earth before mammals here. Classification based on alphabets: Since there is no way to confirm and classify all the dinosaur families, there is no official taxonomy for them.
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