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Dromaeosaurus (/ ˌ d r oʊ m i ə ˈ s ɔːr ə s,-m i. oʊ-/; [3] lit. ' running lizard ' ) is a genus of dromaeosaurid theropod dinosaur that lived during the Late Cretaceous period (middle late Campanian and Maastrichtian ), sometime between 80 and 69 million years ago, in Alberta , Canada and the western United States.
Dromaeosauroides differs from Dromaeosaurus in that the cutting edge at the front side is further from the middle of the tooth. Although the tooth is larger and the denticles similar, each denticle was smaller than those of Dromaeosaurus, which had only 13–20 denticles per 5 millimetres (0.20 in), instead of Dromaeosauroides' 30. [1]
This is an accepted version of this page This is the latest accepted revision, reviewed on 28 January 2025. Family of theropod dinosaurs Dromaeosaurids Temporal range: Cretaceous PreꞒ Ꞓ O S D C P T J K Pg N A collection of dromaeosaurid fossil skeletons. Clockwise from upper left: Deinonychus antirrhopus (a heavily built eudromaeosaur), Buitreraptor gonzalezorum (a long-snouted unenlagiine ...
Artistic restoration of Deinonychus preying on Zephyrosaurus. This timeline of dromaeosaurid research is a chronological listing of events in the history of paleontology focused on the dromaeosaurids, a group of sickle-clawed, bird-like theropod dinosaurs including animals like Velociraptor.
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Zhenyuanlong compared in size to human. Zhenyuanlong suni was a mid-sized dromaeosaurid comparable in length to the similar Tianyuraptor.The fossil skeleton is nearly complete but lacks the last half of the tail, giving the specimen a preserved length of 122.6 centimetres (4.02 ft).
This is an accepted version of this page This is the latest accepted revision, reviewed on 12 February 2025. Extinct clade of dinosaurs Eudromaeosaurs Temporal range: Early Cretaceous – Late Cretaceous, 143–66 Ma PreꞒ Ꞓ O S D C P T J K Pg N Possible Kimmeridgian record Eudromaeosauria diversity, featuring from top left to lower right: Utahraptor, Deinonychus, Velociraptor and ...
Utahraptor is the largest known genus in the family and belongs to the same clade of other notable dinosaurs such as Velociraptor, Deinonychus, or Dromaeosaurus. It is classified in the subfamily Dromaeosaurinae , which is found in the clade Eudromaeosauria .