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  1. 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.
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    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.

    Dinosaur | Definition, Types, History, Na…

    www.britannica.com/animal/dinosaur
    Dinosaurs were a successful group of animals that emerged between 240 million and 230 million years ago and came to rule the world until about 66 million years ago, when a giant asteroid slammed in...

    A brief history of dinosaurs - Live Science

    www.livescience.com/3945-history-dinosaurs.html

    Select Dinosaur Species

    • Triassic (251–201 million years ago) Coleophysis bauri Coelophysis, was a light, agile, 8 to 10-foot-long dinosaur.
    • Jurassic (201-145 million years ago) Plateosaurus engelhardti ...
    • Cretaceous (145–66 million years ago) Albertosaurus libratus ...
    • Cenozoic (66 million years ago to present day) Diatryma gigantean ...

    Types of Dinosaurs - American Museum …

    www.amnh.org/dinosaurs/types-of-dinosaurs
  2. Oldest.org
    https://www.oldest.org/animals/dinosaurs

    10 Oldest Dinosaurs Ever Discovered in the World

  3. ThoughtCo
    https://www.thoughtco.com/dinosaurs-a-to-z-1093748

    A to Z List of Over 700 Dinosaur Names - ThoughtCo

  4. Genesis Park
    https://www.genesispark.com/.../ancient/dinosaur

    Ancient Dinosaur Depictions - Genesis Park

  5. Wikipedia
    https://en.wikipedia.org/wiki/Dinosaur

    Dinosaur - Wikipedia

  6. Ancient Dinosaurs的图片

    bing.com/images
    1zoom.me
    Image Dinosaurs Anachrotherium giganteus animal Ancient animals
    livescience.com
    A brief history of dinosaurs | Live Science
    nationalgeographic.com
    Dinosaurs Article, Dinosaur Modeling Information, Facts -- National Geographic
    worldatlas.com
    Which Was The First Dinosaur To Walk The Earth? - WorldAtlas
    wallpapers13.com
    Animals Of The Past Ancient World Of Dinosaurs, Desktop Hd Wallpaper : Wallpapers13.com
    onunoticias.mx
    El increíble tesoro de dinosaurios en Italia reescribe la historia, la geografía y la evolución
    查看所有图像
  7. American Museum of Natural History
    https://www.amnh.org/dinosaurs/dinosau…

    Dinosaur Facts - American Museum of Natural History

    Dinosaurs are a group of reptiles that have lived on Earth for about 245 million years. In 1842, the English naturalist Sir Richard Owen coined the term Dinosauria, derived from the Greek deinos, meaning “fearfully great,” and …

  8. Live Science
    https://www.livescience.com/3945-history …

    A brief history of dinosaurs - Live Science

    2021年7月6日 · Dinosaurs arose from small dinosauromorph ancestors in the Triassic period, when the climate was harsh and dry.

  9. ThoughtCo
    https://www.thoughtco.com/the-three-ages-…

    The Triassic, Jurassic, and Cretaceous Periods

    2024年7月21日 · 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 …

  10. Nature
    https://www.nature.com/articles/nature.2012.11959

    Earliest known dino relative found | Nature

  11. ancientanimalatlas.com
    https://ancientanimalatlas.com

    Ancient Animal Atlas: Dinosaurs, Human Evolution

    2024年7月2日 · Explore a comprehensive collection of resources on dinosaurs, prehistoric wildlife, human evolution and the science of paleontology. Our site offers detailed articles, interactive maps, and expertly curated book …