Utahraptor ostrommaysorum theropod dinosaur from the Cretaceous of eastern Utah, USA (public display, Morrison Natural History Museum, Morrison, Colorado, USA).
Utahraptor is a famous predatory dinosaur, frequently referred to by the Hollywood term "raptor". Utahraptor had a greatly enlarged claw on each foot (shown here), as did some other theropods like Deinonychus.
Stratigraphy: Cedar Mountain Formation, Lower Cretaceous
Locality: eastern Utah, USA
Theropod were small to large, bipedal dinosaurs. Almost all known members of the group were carnivorous (predators and/or scavengers). They represent the ancestral group to the birds, and some theropods are known to have had feathers. Some of the most well known dinosaurs to the general public are theropods, such as Tyrannosaurus, Allosaurus, and Spinosaurus.
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