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  2. The Truth About Killer Dinosaurs - Wikipedia

    en.wikipedia.org/wiki/The_Truth_About_Killer...

    A robotic ankylosaurus tail shows that the tail club could break wood and bone with ease. This dinosaur's armour and club was used only on more threatening predators than Velociraptor. In the U.S version, it was known as Ankylosaurus, although Ankylosaurus itself lived in North America. The ankylosaurus in this fact have been Pinacosaurus.

  3. Velociraptor - Wikipedia

    en.wikipedia.org/wiki/Velociraptor

    Velociraptor (/ v ə ˌ l ɒ s ɪ ˈ r æ p t ər, v ə ˈ l ɒ s ɪ r æ p t ər /; [1] lit. ' swift thief ') is a genus of small dromaeosaurid dinosaurs that lived in Asia during the Late Cretaceous epoch, about 75 million to 71 million years ago. Two species are currently recognized, although others have been assigned in the past.

  4. Ankylosaurus - Wikipedia

    en.wikipedia.org/wiki/Ankylosaurus

    Ankylosaurus [nb 1] is a genus of armored dinosaur. Its fossils have been found in geological formations dating to the very end of the Cretaceous Period, about 68–66 million years ago, in western North America, making it among the last of the non-avian dinosaurs. It was named by Barnum Brown in 1908; it is monotypic, containing only A ...

  5. Dinosaur classification - Wikipedia

    en.wikipedia.org/wiki/Dinosaur_classification

    As most dinosaur paleontologists have advocated a shift away from traditional, ranked Linnaean taxonomy in favor of rankless phylogenetic systems, [3] few ranked taxonomies of dinosaurs have been published since the 1980s.

  6. Ankylosauria - Wikipedia

    en.wikipedia.org/wiki/Ankylosauria

    As some analyses, like that of Carpenter from 2001 or David B. Norman in 2021 find Scelidosaurus and possibly other early forms like Emausaurus and Scutellosaurus to fall closer to Ankylosaurus than Stegosaurus, Carpenter and later Norman suggested redefining Ankylosauria to limit it to the two subclades Nodosauridae and Ankylosauridae ...

  7. Ankylosauridae - Wikipedia

    en.wikipedia.org/wiki/Ankylosauridae

    Ankylosauridae (/ ˌ æ ŋ k ɪ l oʊ ˈ s ɔː r ɪ d iː /) is a family of armored dinosaurs within Ankylosauria, and is the sister group to Nodosauridae.The oldest known ankylosaurids date to around 122 million years ago and went extinct 66 million years ago during the Cretaceous–Paleogene extinction event. [1]

  8. Pinacosaurus - Wikipedia

    en.wikipedia.org/wiki/Pinacosaurus

    No large theropods are known to have inhabited the ecosystem, though smaller ones like Velociraptor were present. It has been suggested that the relatively light build of Pinacosaurus was an adaptation to gain agility to better fight small theropods, the moderately large club being fast enough to hit these swift targets. [15]

  9. List of dinosaur genera - Wikipedia

    en.wikipedia.org/wiki/List_of_dinosaur_genera

    Mounted skeletons of Tyrannosaurus (left) and Apatosaurus (right) at the AMNH. Dinosaurs are a diverse group of reptiles of the clade Dinosauria. They first appeared during the Triassic period, between 243 and 233.23 million years ago, although the exact origin and timing of the evolution of dinosaurs is the subject of active research.