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ShareHadrosaurids or duck-billed dinosaurs are members of the superfamily Hadrosauroidea, and include ornithopods such as Edmontosaurus and Parasaurolophus.
They were common herbivores in the Upper Cretaceous of Asia, Europe, and North America.
They are descendants of the Upper Jurassic/Lower Cretaceous iguanodontid dinosaurs, and have similar body plans.
For more information about the topic Hadrosaurid, read the full article at Wikipedia.org, or see the following related articles:
Hadrosaurus — Hadrosaurus is a hadrosaurid dinosaur genus. In 1858, a skeleton of a dinosaur from this genus was the first full dinosaur skeleton found in North ... > read more
Paralititan — Paralititan stromeri was a giant titanosaurian sauropod dinosaur discovered in coastal deposits in the Upper Cretaceous Bahariya Formation of Egypt. ... > read more
Albertosaurus — Albertosaurus is a genus of tyrannosaurid theropod dinosaur that lived in western North America during the Late Cretaceous Period, more than 70 ... > read more
Pterosaur — Pterosaurs, "winged lizards," often referred to as "pterodactyls" were flying reptiles of the clade Pterosauria. They existed from the late Triassic ... > read more
Dinosaur — Dinosaurs were vertebrate animals that dominated terrestrial ecosystems for over 160 million years, first appearing approximately 230 million years ... > read more
Jurassic — The Jurassic period is a major unit of the geologic timescale that extends from about 200 Ma (million years ago) at the end of the Triassic to 146 Ma ... > read more
Stegosaurus — Stegosaurus, meaning "plated lizard", because of the plates on its back was a genus of large herbivorous dinosaurs from the Upper Jurassic of North ... > read more
Brachiosaurus — The Brachiosaurus is a famous dinosaur that lived during the Jurassic period. One of the largest ever dinosaurs to walk the earth, it has become a ... > read more
Triceratops — Triceratops, meaning "three-horned face", because it had three horns was a ceratopsid herbivorous dinosaur genus from the Latest Cretaceous period of ... > read more
Cretaceous-Tertiary extinction event — The Cretaceous-Tertiary extinction event was a period of massive extinction of species, about 65.5 million years ago. It corresponds to the end of ... > read moreNote: This page refers to an article that is licensed under the GNU Free Documentation License. It uses material from the article Hadrosaurid at Wikipedia.org. See the Wikipedia copyright page for more details.
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