Dinosaurs are a diverse group of warmblooded reptiles [note 1] of the clade Dinosauria. They existed through most of the Mesozoic era, first appearing early in the Triassic period.

Mar 21, 2026 · List of dinosaurs, with facts & information. Dinosaur names with pictures, a complete online reference. Learn about famous & lesser-known Mesozoic species.

Jun 12, 2026 · 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 mil

Jun 29, 2018 · Over a thousand dinosaur species once roamed the Earth. Learn which ones were the largest and the smallest, what dinosaurs ate and how they behaved, as well ...

Mar 27, 2025 · dinosaur: A term that means “terrible lizard”. These reptiles emerged around 243 million years ago. All descended from egg-laying reptiles known as archosaurs.

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!

Dec 23, 2025 · With studies of fossilized bones, gut contents, eggshells and more, paleontologists revealed new and captivating details about the enormous reptiles that once roame

Dinosaurs and fossils tell the story of life on Earth over millions of years. From towering skeletons like the Nation’s T. Rex to tiny fossilized plants and insects, these ancien

Discover Accurate Dinosaur Images & Facts. Full List Of All Dinosaur Names. Try Our Handy Dinosaur Comparison Tool.

Mar 19, 2024 · Learn about different types of dinosaurs, their history, discoveries, size, diets, contemporaries, and much more.