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Gorgosaurus (/ ˌ ɡ ɔːr ɡ ə ˈ s ɔːr ə s / GOR-gə-SOR-əs; lit. ' dreadful lizard ' ) is a genus of tyrannosaurid theropod dinosaur that lived in western North America during the Late Cretaceous Period ( Campanian ), between about 76.5 and 75 million years ago . [ 1 ]
Albertosaurinae was recovered as including only Albertosaurus and Gorgosaurus. [3] Albertosaurus and Gorgosaurus are kept separate by most classifications, [2] [3] as should be according to Currie. [17] The cladogram below was found during the analysis of Nanuqsaurus by Anthony Fiorillo and Ronald Tykoski. [3]
Carnotaurus is a derived member of the Abelisauridae, a group of large theropods that occupied the large predatorial niche in the southern landmasses of Gondwana during the late Cretaceous. Within the Abelisauridae, the genus is often considered a member of the Brachyrostra, a clade of short-snouted forms restricted to South America.
A scientific publication by Phil Bell and colleagues in 2017 show that tyrannosaurids such as Gorgosaurus, Tarbosaurus, Albertosaurus, Daspletosaurus, and Tyrannosaurus had scales. The Bell et al. 2017 paper notes that the scale-like integument on bird feet were actually secondarily derived feathers according to paleontological and evolutionary ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 30 December 2024. Extinct subfamily of reptiles Majungasaurinae Temporal range: Late Cretaceous, 94–66 Ma PreꞒ Ꞓ O S D C P T J K Pg N Majungasaurus crenatissimus mounted skeleton, Stony Brook University Scientific classification Domain: Eukaryota Kingdom: Animalia Phylum: Chordata Clade: Dinosauria ...
Tyrannosauridae (T. rex + Tarbosaurus bataar + Daspletosaurus torosus + Albertosaurus sarcophagus + Gorgosaurus libratus) Tyrannosaurinae (T. rex > A. sarcophagus) Albertosaurinae (A. sarcophagus > T. rex) Maniraptoriformes (O. velox + P. domesticus) Ornithomimosauria (Gallimimus bullatus + Ornithomimus edmontonicus + Pelecanimimus polyodon ...
Brachyrostra (meaning "short snouts") is a clade within the theropod dinosaur family Abelisauridae.It includes the famous genera Carnotaurus, Aucasaurus, potentially Abelisaurus as well as their close relatives from the Cretaceous Period of Argentina and Brazil plus Caletodraco from France. [1]
Several referred teeth have since been found to belong to already known species, and the holotype itself could belong to Gorgosaurus. Dracorex hogwartsia: Described as a small, flat-headed pachycephalosaur. However, it is likely that it is just a juvenile Pachycephalosaurus. Drinker nisti: May be a synonym of Nanosaurus.