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Dilophosaurus (/ d aɪ ˌ l oʊ f ə ˈ s ɔːr ə s,-f oʊ-/ [1] dy-LOH-fə-SOR-əs, -foh-) is a genus of theropod dinosaurs that lived in what is now North America during the Early Jurassic, about 186 million years ago. Three skeletons were discovered in northern Arizona in 1940, and the two best preserved were collected in 1942.
Dilophosaurus is the main identified dinosaur from the formation, being both the most known and studied. It was among the largest theropods present locally, and very likely an active hunter, rather than a fisher. [42] Dilophosaurus: Kayentavenator [43] K. elysiae [43] Willow Springs Silty Facies
During the Early Jurassic Period, dinosaurs such as Dilophosaurus, Anchisaurus, Coelophysis (formerly known as Megapnosaurus), and the early thyreophoran Scutellosaurus lived in North America. The latter is believed to have been the ancestor of all stegosaurs and ankylosaurs.
Eubrontes (larger theropod, similar to Dilophosaurus) Gigandipus (another large theropod, also similar to Dilophosaurus) Otozoum (medium to large prosauropod, possibly a large Anchisaurus) Anomoepus (probably an ornithopod, similar to Scutellosaurus) Batrachopus (a small crocodylomorph, presumably similar to Stegomosuchus)
Reason: The Dilophosaurus have pronated hands and a Jurassic Park style frill. You may ask further questions about the accuracy of this image at the image review page of WikiProject Dinosaurs on the English Wikipedia.
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 PreꞒ Ꞓ 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 ...
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."
It was an early member of Neotheropoda with affinities to Dilophosaurus and Averostra. The new genus and species Notatesseraeraptor frickensis was named by Marion Zahner and colleagues in 2019. [1] Life restoration. Since 1961, at the clay pit of Gruhalde, exploited by Tonwerke Keller, numerous fossils of Plateosaurus have been found. At a ...