Hadrosaurus
Order: Ornithischia · Suborder: Ornithopoda · Infraorder: Iguanodontia · Family: Hadrosauridae
Hadrosaurus was the first dinosaur known from a nearly complete skeleton. Its beak-shaped snout had no teeth; however, it had batteries of plant-grinding teeth in its jaws.
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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 Hadrosaurus mean?
The name Hadrosaurus means “Sturdy Lizard”. It is pronounced HAD-ruh-SAWR-us.
When did Hadrosaurus live?
Hadrosaurus lived during the Late Cretaceous.
Was Hadrosaurus a carnivore or a herbivore?
Hadrosaurus was a herbivore.
How big was Hadrosaurus?
Hadrosaurus was about 28 feet (8.5 meters) long, around 15 feet (4.6 meters) tall, weighing up to 6,000 pounds (2,722 kg).
Related dinosaurs
Other dinosaurs from the Hadrosauridae family.
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