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 million years.

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 ...

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!

Play the Dinosaur Game online — the Google Chrome T-Rex dino that runs when there's no internet. Press Space to jump and the down arrow (↓) to duck. Unblocked, no download.

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 roamed the Earth.

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

High-quality dinosaur images, facts, and fossils for kids and educators. Easy to download or print!

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