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  1. Dinosaur - Wikipedia

    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 …

  2. Dinosaurs 101 | National Geographic - YouTube

    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 ...

  3. Dinosaurs & Fossils - Smithsonian National Museum of Natural History

    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 ancient remains help us understand …

  4. Jurassic Quest: A Dinosaur Park, Dinosaur Museum and Dinosaur

    The largest and most realistic Dinosaur Exhibit on tour, featuring true-to-detail (and size!) dinosaurs, including a 60 foot long, sky-scraping Spinosaurus, our 80 foot long Apatosaurus, and our gigantic …

  5. Dinosaur | Definition, Types, History, Names, & Facts | Britannica

    Jan 7, 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.

  6. Dinosaur Facts - American Museum of Natural History

    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 reptiles …

  7. Dinosaurs – The Complete Guide, With Facts And Pictures

    Jun 6, 2024 · Complete guide to dinosaurs, with list of dinosaurs from each period. Dinosaur evolution, extinction, types, plus interesting facts.

  8. The Dinosaurs | An Encyclopedia of Dinosaurs

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

  9. What is a dinosaur? - Science News Explores

    Mar 27, 2025 · The word “dinosaur” isn’t a catch-all term for just any scaly, prehistoric giant. “There’s kind of a misconception that any big extinct thing was a dinosaur,” Smith says.

  10. Dinosaur Adventure : Big Dinosaurs! Massive Fun!

    Experience the prehistoric age and encounter your favorite dinosaurs up close! Plus, enjoy a variety of dinosaur themed activities!