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Cryolophosaurus (/ ˌ k r aɪ ə ˌ l oʊ f ə ˈ s ɔːr ə s / or / k r aɪ ˌ ɒ l ə f ə ˈ s ɔːr ə s /; KRY-ə-LOH-fə-SAWR-əs) is a genus of large theropod dinosaur known from only a single species Cryolophosaurus ellioti, from the early Jurassic of Antarctica. It was one of the largest theropods of the Early Jurassic, with the ...
Cryolophosaurus (/ ˌ k r aɪ. oʊ ˌ l ɒ f oʊ ˈ s ɔː r ə s / or / k r aɪ ˌ ɒ l oʊ f ə ˈ s ɔː r ə s /; "CRY-oh-loaf-oh-SAWR-us") is a genus of large theropods known from only a single species Cryolophosaurus ellioti, known from the early Jurassic period of Antarctica. It was about 6 to 7 metres (20 to 23 ft) long and 460 ...
In 2007, paleontologist Nathan D. Smith and colleagues found the crested theropod Cryolophosaurus to be the sister species of Dilophosaurus, and grouped them with Dracovenator and Sinosaurus. This clade was more derived than the Coelophysoidea, but more basal than the Ceratosauria, thereby placing basal theropods in a ladder-like arrangement ...
William Roy Hammer is an American paleontologist who is credited with the discovery of the first carnivorous dinosaur unearthed in Antarctica, Cryolophosaurus, in 1991. He was professor of geology and curator of the Frxyell Geology Museum at Augustana College in Rock Island, IL from 1981 to 2017.
This is an accepted version of this page This is the latest accepted revision, reviewed on 30 January 2025. Extinct family of dinosaurs Carcharodontosaurids Temporal range: 154–90 Ma PreꞒ Ꞓ O S D C P T J K Pg N Reconstructed Carcharodontosaurus skull, Science Museum of Minnesota Scientific classification Domain: Eukaryota Kingdom: Animalia Phylum: Chordata Clade: Dinosauria Clade ...
Cryolophosaurus has been claimed as the first true member of the group, but subsequent studies have disagreed on whether it is a dilophosaurid or tetanuran. [2] [6] Arcucci and Coria (2003) classified Zupaysaurus as an early tetanuran, [7] but it was later placed as a sister taxon to the clade containing dilophosaurids, ceratosaurs, and ...
What was 21-feet tall, looked like a T-rex and was covered in feathers? It was the Cryolophosaurus, of course! This eccentric beast roamed the Earth during the early Jurassic Period, around 188 to ...
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.