Metriacanthosaurus: quick facts

Found in southern England, Metriacanthosaurus had vertebraewith spines up to 10 inches (25.4 cm) long, perhaps supporting a skin sail. It has been speculated that the purpose of such skin sailswas to

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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.