Hypacrosaurus

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Hypacrosaurus
Temporal range: Late Cretaceous
Reconstructed skeleton
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Sauropsida
Superorder: Dinosauria
Order: Ornithischia
Family: Hadrosauridae
Subfamily: Lambeosaurinae
Tribe: Corythosaurini
Genus: Hypacrosaurus
Brown, 1913
Species

Hypacrosaurus (meaning "almost the largest lizard") was a large, plant-eating, hollow-crested duck-billed dinosaur similar to Corythosaurus. It was about 30 feet (9 m) long, had almost 40 rows of cheek teeth, a short toothless beak, and a row of long spines coming out of its vertebrae, forming a high fin along its back.