Appalachiosaurus
Extinct genus of dinosaurs / From Wikipedia, the free encyclopedia
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Appalachiosaurus (/ˌæpəˌleɪtʃioʊˈsɔːrəs/ AP-ə-LAY-chee-oh-SOR-əs; "Appalachian lizard") is a genus of tyrannosaurian theropod dinosaur from the Late Cretaceous period of what is now eastern North America. It was a basal member of the Eutyrannosauria clade meaning it was rather close in relation to the true tyrannosaurids such as Tyrannosaurus. Like most theropods, it was a bipedal predator. Only a juvenile skeleton has been found, representing an animal approximately 6.5 metres (21 ft) long and weighing 623 kilograms (1,373 lb), which indicates an adult would have been significantly larger.
Appalachiosaurus | |
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Reconstructed skeleton, Tellus Science Museum | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Clade: | Dinosauria |
Clade: | Saurischia |
Clade: | Theropoda |
Clade: | †Eutyrannosauria |
Genus: | †Appalachiosaurus Carr et al., 2005 |
Species: | †A. montgomeriensis |
Binomial name | |
†Appalachiosaurus montgomeriensis Carr et al., 2005 | |
Fossils of Appalachiosaurus were found in central Alabama’s Demopolis Chalk Formation. This formation dates to the middle of the Campanian age of the Late Cretaceous, around 77 million years ago.[1] Fossil material assigned to A. montgomeriensis is also known from the Donoho Creek and Tar Heel-Coachman formations of North and South Carolina in 2007.[2]