Deinodon: quick facts

Deinodon is known from fragmentary remains. Joseph Leidy, an anatomist from Philadelphia, named the first American dinosaurs in 1856 based on fossils brought back from Montana by Ferdinand Hayden. Lei

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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.