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Corythosaurus facts for kids

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Corythosaurus
Temporal range: Upper Cretaceous
Corythosaurus casuarius, Dinosaur Provincial Park, Alberta, Canada, Late Cretaceous - Royal Ontario Museum - DSC00023.JPG
Corythosaurus casuarius
Scientific classification
Kingdom:
Animalia
Class:
Sauropsida
Subclass:
Archosauria
Superorder:
Dinosauria
Order:
Ornithischia
Family:
Hadrosauridae
Subfamily:
Lambeosaurinae
Genus:
Corythosaurus

Brown, 1914

Corythosaurus is a genus of ornithopod. It was a large plant-eating duck-billed dinosaur. It was about 30–33 feet (9–10 m) long, 6.6 feet (2 m) tall at the hips, and weighed 3-5 tons.

Like other hadrosaurs, it had a hollow, bony crest on top of its long head in the shape of a helmet flattened on the sides (Corythosaurus means "helmet lizard"). Its likely functions were sound projection and recognition. Males had larger crests than females and juveniles.

Corythosaurus was like other hadrosaurids, and could move on both two legs and all fours, as shown by footprints of related animals. It had a long tail stiffened by bony tendons that stopped it from drooping. The hands had four fingers, lacking the innermost finger of the hand. The second, third, and fourth fingers were bunched together and bore hooves, suggesting the animal could have used the hands for support. The fifth finger was free and could be used to manipulate objects. Each foot had only the three central toes.

Images for kids

  • Corythosaurus

    Fossil holotype specimen AMNH 5240 partially covered in skin impressions

  • Corythosaurus excavation

    Excavation of the holotype specimen of C. casuarius by the Red Deer River

  • Hunting dinosaurs in the bad lands of the Red Deer River, Alberta, Canada; a sequel to The life of a fossil hunter (1917) (20135543774)

    Quarry with one of the specimens lost at sea in 1916

  • Corythosaurus casuarius, Dinosaur Provincial Park, Alberta, Canada, Late Cretaceous - Royal Ontario Museum - DSC00023

    ROM 845, mounted skeleton of Corythosaurus cf. intermedius cf. excavatus Parks 1935 at the Royal Ontario Museum

  • Corythosaurus Hendrickx2

    Skull of the type specimen

  • Corythosaurus skin impression

    Abdominal skin impressions from Brown (1916)

  • Ornithischia AMNH

    Skeleton at AMNH

  • Corythosaurus cauarius, sub-adult skull and jaws, Dinosaur Provincial Park, Alberta, Canada, Late Cretaceous - Royal Ontario Museum - DSC00026

    ROM 870, the skull of a subadult, originally named as a separate species, C. brevicristatus

  • Corythosaurus casuarius

    Mounted skeleton at the Academy of Natural Science, Drexel University, Philadelphia

  • Corythosaurus snorkel

    Outdated 1916 restoration showing C. casuarius as semi-aquatic

  • Corythosaurus cauarius, juvenile skull and jaws, Dinosaur Provincial Park, Alberta, Canada, Late Cretaceous - Royal Ontario Museum - DSC00025

    ROM 759, a juvenile skull, originally named as a separate species, Tetragonosaurus erectofrons

  • Parasaurolophus-Corythosaurus-Casuarius growth

    Skull growth of Parasaurolophus sp., Corythosaurus casuarius and Casuarius sp. The stars represent the age at which crest development starts

  • Corythosaurus fossil

    Skeleton from Dinosaur Provincial Park

  • Oldman formation herbivores

    Herbivores of the Oldman Formation, Corythosaurus in the background

See also

Kids robot.svg In Spanish: Corythosaurus para niños

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