Claosaurus

Order: Ornithischia · Suborder: Ornithopoda · Infraorder: Iguanodontia · Family: Hadrosauridae
One complete skeleton was found apparently frozen in a running position, with the body held horizontally, the tailoutstretched, and the head thrown back. (No skull was found.)This plant-eating hadrosaur propably had a duck-shaped bill or a toothless beak.

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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.
Frequently asked questions
What does Claosaurus mean?
The name Claosaurus means “Broken Lizard”. It is pronounced CLAY-o-SAWR-us.
When did Claosaurus live?
Claosaurus lived during the Late Cretaceous.
Was Claosaurus a carnivore or a herbivore?
Claosaurus was a herbivore.
How big was Claosaurus?
Claosaurus was about 12 feet (3.7 meters) long, around 6 feet (1.8 meters) tall, weighing up to 2,000 lbs (907 kg).
Related dinosaurs
Other dinosaurs from the Hadrosauridae family.
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