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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 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."
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.
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.
National Geographic announces four new Signature Land Expeditions. The trips include expeditions to Australia, Portugal and the Azores, Sri Lanka, and Southern Africa. Furthermore, trips that have ...
The National Geographic Society (NGS) began using the Robinson projection for general-purpose world maps in 1988, replacing the Van der Grinten projection. [2] In 1998, NGS abandoned the Robinson projection for that use in favor of the Winkel tripel projection , as the latter "reduces the distortion of land masses as they near the poles".
Dr. Richard W. Moriarty, a retired pediatrician from Pittsburgh who helped create the bright green Mr. Yuk sticker that warns kids away from poisonous substances, has died. Moriarty passed away on ...
National Geographic Dinosaurs is a nonfiction reference book on dinosaurs, written by Paul Barrett, with illustrations by Raúl Martín, and an introduction by Kevin Padian. It was published in 2001 by National Geographic .