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Tenontosaurus

Izenaren esanahia: “sinew lizard”1

Jaten zuen: LandareakLandarejale mokodunakBehe Kretazeoa eta Goi Kretazeoa artean

Tenontosaurus was a big plant-eating dinosaur with a very long, stiff tail. It lived in North America during the Early Cretaceous period, about 115 to 108 million years ago.1

Bizi izan zen

Duela 121 eta 94 milioi urte artean4

Behe Kretazeoa eta Goi Kretazeoa artean

Fosilak hemen aurkitu dira:

Fossils have been found in Montana, Wyoming, Oklahoma, Texas, Idaho, Utah, and Maryland in the USA, and also in Canada.1 2

Luzera

7 m (23 ft)2

Pisua

900 kg (2 000 lb)2

Altuera

2,9 eta 3 m artean (9,5 eta 9,8 ft artean)3

Abiadura maximoa

33 km/h inguru (21 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?

45 txakur bezain astun

7 txakur bezain luze, sudurretik buztanerabata bestearen atzean jarritako 39 banana bezain luze180 angurria bezain astunhaur-eskolako 47 haur bezain astun28 eskolaume bezain astun2 hartz zuri bezain astun100 metro 11 segundotan egin zitzakeen korrika (gizakirik azkarrenak 9,6 behar ditu)

Zein handia zen Tenontosaurus 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)

Tenontosaurus 33 km/h inguru (21 mph)

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

Gepardo bat 100 km/h inguru (62 mph)

gauza bikainak

Datu dibertigarriak

Tenontosaurus had an unusually long and broad tail, stiffened by a network of bony tendons, which is why it is called 'sinew lizard'.1

An adult Tenontosaurus could reach a browsing height of about 3 meters (10 feet) if it stood on its hind legs, but it usually walked on all fours.1

Its beak was U-shaped and thick, and its lower jaw had a special bone called a predentary that helped form the lower beak.1

Tenontosaurus lived alongside the predator Deinonychus, and fossils of both are common in the same rocks.1

The first Tenontosaurus fossil was found in 1903 in Montana, but it was not named until 1970.1

There are two species: Tenontosaurus tilletti and Tenontosaurus dossi. T. dossi is known from only a few specimens in Texas.1

Tenontosaurus: AAk egindako irudia — Tenontosaurus 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

Tenontosaurus: gehien egindako galderak

?How big was Tenontosaurus?

About 6 to 8 metres long and around 1,000 kilograms, though estimates vary by species and study.1 2

?What did Tenontosaurus eat?

It was a plant-eater. It used its U-shaped beak and chopping teeth to eat leaves, wood, fruit, and low-growing ferns and shrubs.1 2

?Did Tenontosaurus walk on two legs or four?

It usually walked on all four legs, but could stand on its hind legs to reach higher plants, up to about 3 metres.1 2

?Was Tenontosaurus bigger than Deinonychus?

Yes, adult Tenontosaurus were much larger than adult Deinonychus. Deinonychus probably hunted young or sick Tenontosaurus.1

?When did Tenontosaurus live?

It lived during the Early Cretaceous period, about 115 to 108 million years ago, in western North America.1 2

?Why did Tenontosaurus have a long tail?

Its tail was unusually long and broad, stiffened by bony tendons. This helped support the tail, but scientists aren't sure of its exact purpose.1

?Where was Tenontosaurus found?

Fossils have been found in the USA (Montana, Oklahoma, Texas, Utah, Idaho, Maryland) and Canada.1 2

?Is Tenontosaurus a dinosaur?

Yes, it is a type of ornithopod dinosaur, a plant-eating dinosaur related to Iguanodon.1 2

Mito-hauslea

Mitoa: Some people think Tenontosaurus was a slow, clumsy dinosaur.

Egia: Scientists think it was a common and successful herbivore, and its stiff tail may have helped it balance.1

Dino adituentzat

Izen zientifikoa: Tenontosaurus
Izendatzailea:: Ostrom 19704
Taldea: Landarejale mokodunak
Familia / klada: Tenontosauridae4
Sailkapena: Ornithischia > Ornithopoda > Iguanodontia4
Arroken adina: 121 eta 94 milioi urte artean (Aptian / Cenomanian)4
Arroka-formazioak: Cloverly, Antlers, Cedar Mountain4
Herrialdeak: AEB4
Fosil-erregistroak: 83 The Paleobiology Database datu-basean4
Aurkikuntza: The first fossil was found in 1903 by an American Museum of Natural History expedition in Montana. John Ostrom named it Tenontosaurus tilletti in 1970 after studying many specimens.1
Oraindik eztabaidagai: Scientists still debate exactly how Tenontosaurus moved, whether it was mostly quadrupedal or could run on two legs.1

Datuak nondik datozen

Tenontosaurus (en.wikipedia.org)
Tenontosaurus | Natural History Museum (nhm.ac.uk)
All about Tenontosaurus (animalia.bio)
Tenontosaurus in The Paleobiology Database (CC BY 4.0): adina, tokiak, arroka-formazioak, sailkapena.

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