hadrosaurus

Synonyms:

duck-billed dinosaur, hadrosaur

Types:

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anatotitan

one of the largest and most famous duck-billed dinosaurs

corythosaur, corythosaurus

duck-billed dinosaur with nasal passages that expand into a crest like a hollow helmet

edmontosaurus

duck-billed dinosaur from Canada found as a fossilized mummy with skin

trachodon, trachodont

large duck-billed dinosaur of the Cretaceous period

Type of:

ornithischian, ornithischian dinosaur

herbivorous dinosaur with a pelvis like that of a bird