Albertosaurus: quick facts

First discovered in Alberta, Canada, Albertosaurus stalked its preyalmost 8 million years before Tyrannosaurus, a close relative. It had ahuge head with long, sharp, saw-toothed teeth and two-fingered

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Reference background: Natural History Museum, London — Dinosaurs; Smithsonian National Museum of Natural History — Dinosaurs; American Museum of Natural History — Dinosaurs & Fossils. Figures are typical published ranges; taxonomy follows the source era and modern consensus is noted where it differs. See our sources & fact-check policy.