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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]
The Land Before Time is a franchise consisting of American animated adventure family films centered around dinosaurs, including a theatrical movie, various straight-to-home video sequels, and a spin-off TV series.
Sea Monsters: A Prehistoric Adventure (also called Sea Monsters) is a 2007 American IMAX 3D documentary film by National Geographic, about prehistoric marine reptiles.It alternates modern-day sequences about the work of scientists studying the animals with computer-animated scenes depicting the prehistoric past.
Zuul is a genus of herbivorous ankylosaurine dinosaur from the Campanian Judith River Formation of Montana.The type species is Zuul crurivastator.It is known from a complete skull and tail, which represents the first ankylosaurin known from a complete skull and tail club, as well as the most complete ankylosaurid specimen thus far recovered from North America.
The genus must appear on the List of dinosaur genera. At least one named species of the creature must have been found in North America. This list is a complement to Category:Mesozoic dinosaurs of North America.
The supposed speed of Struthiomimus was, in fact, its main defense from predators (although it may also have been able to lash out with its hind claws when cornered), such as the dromaeosaurids (e.g. Saurornitholestes and Dromaeosaurus) and tyrannosaurs (e.g. Daspletosaurus and Gorgosaurus), which lived at the same time. It is estimated to have ...
The closest is the Dinosaur Genera List, compiled by biological nomenclature expert George Olshevsky, which was first published online in 1995 and was regularly updated until June 2021. [ 1 ] [ 2 ] The most authoritative general source in the field is the second (2004) edition of The Dinosauria .