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Dryosaurus

Izenaren esanahia: “oak lizard, named after the Greek word for oak tree”1

Jaten zuen: LandareakLandarejale mokodunakGoi Jurasikoa eta Behe Kretazeoa artean

Dryosaurus was a speedy, plant-eating dinosaur that lived in the Late Jurassic period. It had a long neck, strong legs, and a stiff tail that helped it balance while running. It probably used its speed to escape from big predators like Allosaurus.2

Bizi izan zen

Duela 155 eta 143 milioi urte artean5

Goi Jurasikoa eta Behe Kretazeoa artean

Fosilak hemen aurkitu dira:

Western United States (Colorado, Utah, Wyoming), and also in France, Germany, and Portugal2 5

Luzera

3 eta 4 m artean (9,8 eta 13 ft artean)2 1

Pisua

100 kg (220 lb)2

Altuera

1,7 m (5,6 ft)3

Abiadura maximoa

46 km/h inguru (29 mph)

Korrika egitea, kalkulua

Noiz bizi izan zen?

Triasikoa

Jurasikoa

Kretazeoa

Duela 252 milioi urte20114566, asteroidea

Zein handia zen?

Zein luzea zen?

Zein altua zen?

Zein astuna zen?

5 txakur bezain astun

4 txakur bezain luze, sudurretik buztanerabata bestearen atzean jarritako 22 banana bezain luze20 angurria bezain astunhaur-eskolako 5 haur bezain astun3 eskolaume bezain astun100 metro 7,8 segundotan egin zitzakeen korrika (gizakirik azkarrenak 9,6 behar ditu)

Zein handia zen Dryosaurus ZUREKIN alderatuta?

Zure nabigatzaileko kalkulu hutsak. Ez da ezer gordetzen ez inora bidaltzen.

Zein azkarra zen?

Pertsona bat oinez 5 km/h inguru (3 mph)

Haur bat bizikletan 12 km/h inguru (7 mph)

Dryosaurus 46 km/h inguru (29 mph)

Zaldi bat lauhazka 65 km/h inguru (40 mph)

Gepardo bat 100 km/h inguru (62 mph)

gauza bikainak

Datu dibertigarriak

Dryosaurus had five fingers on each hand, but its arms were short. Its long legs and stiff tail made it a fast runner.2

The name Dryosaurus means 'oak lizard', but it was named after the forest where it lived, not because its teeth looked like oak leaves.2

Some scientists think Dryosaurus had cheek-like structures to keep food in its mouth while chewing.2

Dryosaurus lived alongside giant sauropods like Diplodocus and Brachiosaurus, as well as predators like Allosaurus and Ceratosaurus.2

The largest Dryosaurus specimen was later identified as a different species, so the true adult size of Dryosaurus is still unknown.2

Dryosaurus fossils have been found in the Morrison Formation, which is famous for the 'Bone Wars' rivalry between paleontologists Marsh and Cope.2

Dryosaurus: AAk egindako irudia — Dryosaurus nolakoa izan zitekeen erakusten duen AAk egindako irudia, ordenagailu batek zientzialariek dakitenetik sortua. Asmakizun bat da: benetako animalia desberdina izan zitekeen, eta inork ez daki zein ziren bere benetako koloreak.

zure galderak

Dryosaurus: gehien egindako galderak

?How big was Dryosaurus?

Based on known specimens, Dryosaurus reached up to 3 metres (9.8 ft) long and weighed up to 100 kilograms (220 lb). As no fully mature specimens have been found, the true adult size remains unknown.2

?What did Dryosaurus eat?

Dryosaurus was a plant-eating dinosaur. It ate low-growing vegetation in ancient floodplains, using its beak and cheek teeth.2 1

?When did Dryosaurus live?

Dryosaurus lived during the Late Jurassic period, about 155 to 145 million years ago.1

?Where was Dryosaurus found?

Dryosaurus fossils have been found in the western United States, including Wyoming, Utah, and Colorado. Fossils have also been identified in Tanzania.2 1

?How fast could Dryosaurus run?

Maybe up to about 46 km/h (29 mph). This is an estimate from its size. It was a quick, agile runner with strong legs and escaped predators with speed.2

?Did Dryosaurus have feathers?

The sources do not mention feathers on Dryosaurus. It is described as having a horny beak and cheek teeth, but no feather impressions have been found.2

?Was Dryosaurus bigger than a human?

Dryosaurus was about 3 metres (9.8 ft) long, which is longer than a human is tall, but it weighed up to 100 kilograms (220 lb), which is comparable to a large adult human.2

?Why is it called Dryosaurus?

Dryosaurus means 'tree lizard' or 'oak lizard'. It was named after the forested habitat where it lived, not because its teeth looked like oak leaves.2 4

Mito-hauslea

Mitoa: Some people think Dryosaurus was named because its teeth looked like oak leaves.

Egia: Actually, the name comes from the Greek word for 'oak' because it lived in forests, not because of its teeth.2

Dino adituentzat

Izen zientifikoa: Dryosaurus
Izendatzailea:: Marsh 18945
Taldea: Landarejale mokodunak
Familia / klada: Dryosauridae5
Sailkapena: Ornithischia > Ornithopoda > Iguanodontia5
Arroken adina: 155 eta 143 milioi urte artean (Kimmeridgian / Tithonian)5
Arroka-formazioak: Morrison, Marnes de Bléville, Lourinhã5
Herrialdeak: AEB, Frantzia, Portugal, Alemania5
Fosil-erregistroak: 24 The Paleobiology Database datu-basean5
Aurkikuntza: The first Dryosaurus fossils were found in 1876 by Samuel Wendell Williston in Wyoming, USA. Othniel Charles Marsh named it Laosaurus altus in 1878, then gave it its own genus, Dryosaurus, in 1894.2
Oraindik eztabaidagai: Scientists are still debating the true adult size of Dryosaurus because no adult specimens have been found yet.2

Datuak nondik datozen

Dryosaurus | Natural History Museum (nhm.ac.uk)
Dryosaurus (en.wikipedia.org)
Dryosaurus Fact Sheet (enchantedlearning.com)
Dryosaurus altus (U.S. National Park Service) (home.nps.gov)
Dryosaurus in The Paleobiology Database (CC BY 4.0): adina, tokiak, arroka-formazioak, sailkapena.

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