Megapnosaurus kayentakatae
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Coelophysis Temporal range: Late Triassic-Early Jurassic, 203–196 Ma |
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| Mounted skeleton cast at the Cleveland Museum of Natural History | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Clade: | Dinosauria |
| Order: | Saurischia |
| Suborder: | Theropoda |
| Family: | †Coelophysidae |
| Subfamily: | †Coelophysinae |
| Genus: |
†Coelophysis Cope, 1889 |
| Type species | |
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†Coelurus bauri Cope, 1887 |
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| Species | |
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| Synonyms | |
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Genus synonymy
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Coelophysis (/ˌsɛloʊˈfaɪsᵻs, ˌsiː-/; pron.:SEL-oh-FY-sis or SEE-low-FY-sis) is an extinct genus of coelophysid theropod dinosaur that lived approximately 203 to 196 million years ago during the latter part of the Triassic Period in what is now the southwestern United States. It was a small, slenderly-built, ground-dwelling, bipedal carnivore, that could grow up to 3 m (9.8 ft) long. Coelophysis is one of the earliest known dinosaur genera. Scattered material representing similar animals has been found worldwide in some Late Triassic and Early Jurassic formations. The type species C. bauri, originally given to the genus Coelurus by Edward Drinker Cope in 1887, was described by the latter in 1889. The names Longosaurus and Rioarribasaurus are synonymous with Coelophysis. Another dinosaur genus, Megapnosaurus, has also been considered to be a synonym. This primitive theropod is notable for being one of the most specimen-rich dinosaur genera.
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