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Size of the largest known (left) and holotype (right) specimens compared to a human. Dilophosaurus was one of the earliest large predatory dinosaurs, a medium-sized theropod, though small compared to some of the later theropods. [2] [5] It was also the largest known land-animal of North America during the Early Jurassic. [6]
Dilophosaurus skull reconstruction by Brian Engh; Dilophosaurus skeletal by Scott Hartman "A comprehensive anatomical and phylogenetic evaluation of Dilophosaurus wetherilli (Dinosauria, Theropoda) with descriptions of new specimens from the Kayenta Formation of northern Arizona."
A large, short-tailed species with heterogeneous dorsal scalation and a discontinuous vertebral crest. There are several slightly enlarged scales below the tympanum, a row of enlarged submaxillaries and a series of large, lanceolate scales on the anterior edge of the gular pouch.
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This is an accepted version of this page This is the latest accepted revision, reviewed on 8 January 2025. Extinct superfamily of dinosaurs Coelophysoids Temporal range: Late Triassic - Early Jurassic, 227–183 Ma Pre๊ ๊ O S D C P T J K Pg N Mounted skeleton of Coelophysis bauri, Cleveland Museum of Natural History Scientific classification Domain: Eukaryota Kingdom: Animalia Phylum ...
The name "Scotty" comes from the celebratory bottle of scotch shared by the team that had discovered and identified the bones. Scotty the T. rex: Sir Williams [201] [202] Daspletosaurus sp. Possibly either Daspletosaurus, or a new genus. Sisyphus [203] Dakota Dinosaur Museum at Dickinson Museum Center: Daspletosaurus wilsoni: Late Cretaceous ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 17 February 2025. Clade containing most theropod dinosaurs Tetanurans Temporal range: Early Jurassic – Present, 201–0 Ma Pre๊ ๊ O S D C P T J K Pg N Six tetanurans (top left to bottom right): Monolophosaurus in combat with non-tetanuran dinosaur Tuojiangosaurus, Allosaurus, Deinocheirus ...
Tim it was even worse. We ran the entire marathon side by side. At Mile 20 he was in such agony and so delirious that after a water stop he started running back toward the starting line! But we did it. And the feeling of confidence and elation at having set and achieved such an outrageous goal lasted long past the finish line. I learned, above ...