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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.
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.
This dinosaur restoration is inaccurate, or its accuracy is disputed. 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.
Dilophosaurus is a featured article; it (or a previous version of it) has been identified as one of the best articles produced by the Wikipedia community. Even so, if you can update or improve it, please do so. This article appeared on Wikipedia's Main Page as Today's featured article on June 22, 2018.
However, in 2012, Matthew Carrano found that Cryolophosaurus was a tetanuran, related to Sinosaurus, but unrelated to Dilophosaurus. [20] In 2020, a monograph of Dilophosaurus found Cryolophosaurus to be a derived neotheropod, close to Averostra, in a more derived position than Zupaysaurus, but less than Dilophosaurus. [21]
Sinosaurus was a relatively large theropod by the standards of the Early Jurassic. With the use of virtual skeletal mount, Liang et al. (2024) estimated that Sinosaurus was a large theropod around 5.85 metres (19.2 ft) long with a maximum body mass of 895 kilograms (1,973 lb).
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."
Eubrontes is the name of the footprints, identified by their shape, and not of the genus or genera that made them, which is as yet unknown but is presumed to be similar to Coelophysis or Dilophosaurus. They are most famous for their discovery in the Connecticut River Valley of Massachusetts in the early 19th century. They, among other ...