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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.
The various "subfamilies" have also been re-defined as clades, usually defined as all species closer to the groups namesake than to Dromaeosaurus or any namesakes of other sub-clades (for example, Makovicky defined the clade Unenlagiinae as all dromaeosaurids closer to Unenlagia than to Velociraptor). The Microraptoria is the only dromaeosaurid ...
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]
The type skull of Velociraptor mongoliensis. 1922. Matthew and Brown described the new genus and species Dromaeosaurus albertensis and named the Dromaeosauridae. [6]1924. Henry Fairfield Osborn described the new genus and species Velociraptor mongoliensis.
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. [1]
This is an accepted version of this page This is the latest accepted revision, reviewed on 6 January 2025. Extinct subfamily of dinosaurs Unenlagiines Temporal range: Late Cretaceous PreꞒ Ꞓ O S D C P T J K Pg N Skeletal reconstructions of several unenlagiines, arranged by stratigraphic position Scientific classification Domain: Eukaryota Kingdom: Animalia Phylum: Chordata Clade: Dinosauria ...
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.