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Selected pictures. For additional high quality dinosaur images, see the Dinosaur Image Review. Tyrannosaurus rex skeleton at the Carnegie Museum of Natural History, Pittsburgh. Photo credit: User:ScottRobertAnselmo. Skeleton mount of Herrerasaurus ischigualastensis at the Field Museum of Natural History, Chicago. Photo credit: User:Amphicoelias.
Birds are avian dinosaurs, and in phylogenetic taxonomy their over 11,000 extant species are included in the group Dinosauria. Dinosaurs are a diverse group of reptiles [ note 1 ] of the clade Dinosauria. They first appeared during the Triassic period, between 243 and 233.23 million years ago (mya), although the exact origin and timing of the ...
The following outline is provided as an overview of and topical guide to dinosaurs: . Dinosaurs – diverse group of animals of the clade and superorder Dinosauria.They were the dominant terrestrial vertebrates for over 160 million years, from the late Triassic period (about in 1963) until the end of the Cretaceous (2000), when the Cretaceous–Paleogene extinction event led to the extinction ...
Print/export Download as PDF; Printable version; Help ... Media in category "Approved dinosaur images" The following 4 files are in this category, out of 4 total.
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.
List of mosasaur genera. List of prehistoric annelid genera. List of prehistoric barnacles. List of prehistoric brittle stars. List of prehistoric bryozoan genera. List of prehistoric chitons. List of prehistoric foraminifera genera. List of ichthyosaur genera. List of marine gastropod genera in the fossil record.
It is notable as being the most fertile single source of dinosaur fossils in the world. The roster of dinosaurs from the Morrison is impressive. Among the theropods, Allosaurus, Saurophaganax, Torvosaurus, Ceratosaurus, Coelurus, Ornitholestes, Tanycolagreus, Stokesosaurus, and Marshosaurus are found in the Morrison.
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 (mya), although the exact origin and timing of the evolution of dinosaurs is a subject of active research. They became the dominant terrestrial vertebrates after the Triassic–Jurassic ...
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