Laiyangosaurus
Laiyangosaurus was a duck-billed dinosaur that munched on tough plants in what is now China. It had a flat nose and no fancy crest on its head, unlike some of its relatives. This dinosaur lived about 72 million years ago during the Late Cretaceous.14
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It belonged to a group called Edmontosaurini, which includes other duck-billed dinosaurs like Edmontosaurus.1
Some fossils thought to be from Laiyangosaurus actually belong to other kinds of hadrosaurs, like kritosaurins and lambeosaurines.1
The name Laiyangosaurus means 'Laiyang lizard', after the Laiyang area in China where its fossils were dug up.1
Laiyangosaurus lived alongside insects, plants, and other dinosaurs, and its fossils were found in the same rocks as dinosaur eggs.1
This dinosaur was a saurolophine hadrosaurid, meaning it belonged to the group of duck-billed dinosaurs without hollow crests.1

Laiyangosaurus: gehien egindako galderak
?How big was Laiyangosaurus?
Scientists have not yet estimated its full size, but it was a large duck-billed dinosaur, similar in build to other hadrosaurs.1
?What did Laiyangosaurus eat?
It ate tough plants, using its flat beak and many cheek teeth to grind them up.1
?Did Laiyangosaurus have a crest?
No, it had a flat head with no fancy crest, unlike some other duck-billed dinosaurs.1
?Where was Laiyangosaurus found?
Its fossils were dug up in the Laiyang Basin in Shandong Province, China.1
Dino adituentzat
- Izen zientifikoa
- Laiyangosaurus
- Izendatzailea:
- Zhang et al. 20194
- Taldea
- Ahate-mokoak
- Familia / klada
- Hadrosauridae4
- Sailkapena
- Ornithischia > Ornithopoda > Iguanodontia > Hadrosauridae4
- Arroken adina
- 84 eta 72 milioi urte artean (Campanian)4
- Arroka-formazioak
- Jingangkou4
- Herrialdeak
- Txina4
- Fosil-erregistroak
- 1 The Paleobiology Database datu-basean4
- Aurkikuntza
- Laiyangosaurus was named in 2019 by Zhang Jialiang and other scientists based on skull bones found in the Jingangkou Formation in Shandong, China. The type species is Laiyangosaurus youngi.41
- Oraindik eztabaidagai
- Scientists still debate which specimens truly belong to Laiyangosaurus, because some fossils thought to be from this dinosaur may actually be from other hadrosaur groups.1
Datuak nondik datozen
- Laiyangosaurus (en.wikipedia.org)
- The postcranial anatomy of the saurolophine hadrosaurid (ivpp.cas.cn)
- Laiyangosaurus youngi | Dinosaur Database by DinoAnimals.com (dinoanimals.com)
- Laiyangosaurus in The Paleobiology Database (CC BY 4.0): adina, tokiak, arroka-formazioak, sailkapena.
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