Tarchia: quick facts

Discovered in southern Mongolia, Tarchia is the largest and the geologically most recent of the Mongolian armored dinosaurs. These dinosaurs were distinguished by the large spikeson their sides and th

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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.