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Claosaurus

Towering mounted sauropod skeleton in a museum atrium
Photo: Etemenanki3, CC BY-SA 4.0, via Wikimedia Commons
Pronunciation
CLAY-o-SAWR-us
Name means
Broken Lizard
Diet
Herbivore
Posture
Quadrupedal
Period
Late Cretaceous
Length
12 feet (3.7 meters)
Height
6 feet (1.8 meters)
Weight
2,000 lbs (907 kg)

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.

Mounted Iguanodon skeleton, a large Early Cretaceous herbivore
Photo: Kritzolina, CC BY-SA 4.0, via Wikimedia Commons

More Cretaceous-period dinosaurs →

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).

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Other dinosaurs from the Hadrosauridae family.

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