Spinosaurus: quick facts

Spinosaurus was a giant semi-aquatic predator from the Cretaceous of North Africa and one of the longest known carnivorous dinosaurs. Its most famous feature was a tall 'sail' of elongated spines alon

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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.