Albertosaurus

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Albertosaurus

dinosaur genus

Also known as: Gorgosaurus

Written and fact-checked by The Editors of Encyclopaedia Britannica

Article History

Usually subsumes:: Gorgosaurus

Related Topics:: tyrannosaur

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Albertosaurus, (genus Albertosaurus), large carnivorous dinosaurs of the Late Cretaceous Period (99.6 million to 65.5 million years ago) found as fossils in North America and eastern Asia. Albertosaurs are an early subgroup of tyrannosaurs, which appear to have evolved from them. In structure and presumed habits, Albertosaurus was similar to Tyrannosaurus in many respects; both had reduced forelimbs and a large skull and jaws, although Albertosaurus was somewhat smaller. Albertosaurus was about 9 metres (30 feet) long, and the head was held 3.5 metres off the ground. The hands were similar to those of tyrannosaurs in being reduced to the ...(100 of 249 words)

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