FfFfFfFF 58,371 Posted September 9, 2021 Share Posted September 9, 2021 About 90 million years ago, a gigantic apex predator — a meat-eating dinosaur with serrated shark-like teeth — prowled what is now Uzbekistan, according to a new study of the behemoth's jawbone. The 26-foot-long (8 meters) beast weighed 2,200 pounds (1,000 kilograms), making it longer than an African elephant and heavier than a bison. Researchers named it Ulughbegsaurus uzbekistanensis, after Ulugh Beg, a 15th-century astronomer, mathematician and sultan from what is now Uzbekistan. What caught scientists by surprise was that the dinosaur was much larger — twice the length and more than five times heavier — than its ecosystem's previously known apex predator: a tyrannosaur, the researchers found. The partial jawbone of U. uzbekistanensis is enough to suggest that the animal was a carcharodontosaur, or a "shark-toothed" dinosaur. These carnivores were cousins and competitors of tyrannosaurs, whose most famous species is Tyrannosaurus rex. Peter Makovicky, a professor of paleontology at the University of Minnesota who was not involved in the study, said that U. uzbekistanensis was likely at the top of the local food chain. (carcharodontosaur in the left and tyrannosaur in the right) Source - https://www.livescience.com/shark-toothed-dinosaur-uzbekistan.html Link to post Share on other sites More sharing options...
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