Hadrosaurus
Hadrosaurus was a big, plant-eating dinosaur that lived near the sea in what is now New Jersey. It had a beak like a duck and strong teeth to chew tough plants. It was one of the first dinosaur skeletons ever put on display for people to see!1
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obuwanvu ng'embwa 8, ennyindo ku mukira🍌obuwanvu ng'amenvu 44 nga gaddiriŋŋana
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Ebyewuunyisa
Hadrosaurus was the first dinosaur in North America known from more than just a few teeth.1
Its skeleton was the first dinosaur skeleton ever mounted for display, in 1868.1
Hadrosaurus became the official state dinosaur of New Jersey in 1991.1
The only known skeleton of Hadrosaurus was found in marine sediments, meaning the dinosaur's body was washed out to sea by a river.1
Hadrosaurus lived during the Late Cretaceous, about 83.6 to 77.9 million years ago.1
The name Hadrosaurus means 'bulky lizard', but it was also a playful reference to Haddonfield, New Jersey, where it was found.1

Ebibuuzo ebisinga okubuuzibwa ku Hadrosaurus
?How big was Hadrosaurus?
Hadrosaurus was about 7 to 8 metres (23 to 26 feet) long and weighed 2 to 4 tonnes (2.2 to 4.4 short tons).1
?What did Hadrosaurus eat?
Hadrosaurus was a plant eater. It used its beak to crop leaves and twigs, and its many teeth to chew tough plants.3
?When did Hadrosaurus live?
Hadrosaurus lived during the Late Cretaceous Period, about 83.6 to 77.9 million years ago.1
?Where was Hadrosaurus found?
Hadrosaurus was found in a marl pit in Haddonfield, New Jersey, in 1858.1
?Why is Hadrosaurus famous?
Hadrosaurus was the first nearly complete dinosaur skeleton found in North America and the first dinosaur skeleton ever mounted for display, in 1868.14
?Was Hadrosaurus a dinosaur?
Yes, Hadrosaurus was a dinosaur. It was a duck-billed dinosaur, a type of ornithopod.1
Omumenyi w'enfumo
Enfumo: Hadrosaurus is a 'doubtful' name that scientists don't use anymore.
Amazima: Some scientists once considered Hadrosaurus a nomen dubium because the skeleton lacks a skull, but it is still recognized as a valid genus and the type genus of the family Hadrosauridae.1
Eri abakugu mu dayinoso
- Erinnya lya ssaayansi
- Hadrosaurus
- Yatuumibwa
- Leidy 18586
- Ekibinja
- Ez'emimwa gy'embaata
- Ekika / ekibinja
- Hadrosauridae6
- Engabanya
- Ornithischia > Ornithopoda > Iguanodontia > Hadrosauridae6
- Emyaka gy'enjazi
- emyaka obukadde 86 okutuuka ku 66 (Santonian / Maastrichtian)6
- Ensengeka z'enjazi
- Marshalltown, Woodbury, Navesink6
- Ensi
- Amerika, Kanada, Kazakisitaani6
- Ebisigalira ebyazuulibwa
- 9 mu The Paleobiology Database6
- Okuzuulibwa
- In 1838, John Estaugh Hopkins dug up large bones in a marl pit in Haddonfield, New Jersey. In 1858, William Parker Foulke excavated the rest of the skeleton, and paleontologist Joseph Leidy named it Hadrosaurus foulkii that same year.1
- Kikyakubaganyizibwako ebirowoozo
- Scientists are still not sure exactly how Hadrosaurus is related to other duck-billed dinosaurs, because the only skeleton is missing most of its skull.1
Ebituufu gye biva
- Hadrosaurus (en.wikipedia.org)
- science-resources.co.uk - Dinosaurs: Hadrosaurus (science-resources.co.uk)
- NJDEP| NJ Geological Survey | Hadrosaurus foulkii (dep.nj.gov)
- The Story of New Jersey’s State Fossil: Hadrosaurus foulkii (geologymuseum.rutgers.edu)
- New Jersey State Dinosaur: Hadrosaurus Foulkii - New Jersey State Symbols - Research Guides at New Jersey State Library (libguides.njstatelib.org)
- Hadrosaurus in The Paleobiology Database (CC BY 4.0): emyaka, ebifo, ensengeka z'enjazi, engabanya.
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