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Stegosaurus

Izenaren esanahia: “roof lizard”1

Jaten zuen: LandareakDino plakadunakGoi Jurasikoa eta Goi Kretazeoa artean

Stegosaurus was a big, plant-eating dinosaur with a row of big plates on its back and spikes on its tail. It lived in the Late Jurassic period, about 155 to 145 million years ago, and is one of the most famous dinosaurs ever.1

Bizi izan zen

Duela 162 eta 94 milioi urte artean4

Goi Jurasikoa eta Goi Kretazeoa artean

Fosilak hemen aurkitu dira:

Western United States and Portugal1

Luzera

9 m (30 ft)1

Pisua

6,9 tona (15 200 lb)1

Altuera

2,6 m (8,5 ft)

kalkulua

Abiadura maximoa

18 km/h inguru (11 mph)

Korrika egitea: limb proportion study (15 to 18 km/h)

Noiz bizi izan zen?

Triasikoa

Jurasikoa

Kretazeoa

Duela 252 milioi urte20114566, asteroidea

Zein handia zen?

Zein luzea zen?

Zein altua zen?

kalkulua

Zein astuna zen?

5 auto bezain astun

ilaran aparkatutako 2 auto bezain luzebata bestearen atzean jarritako 50 banana bezain luzeelefante bat bezain astun, gutxi gorabehera1400 angurria bezain astunhaurrez betetako 9 ikasgela oso bezain astun15 hartz zuri bezain astun100 metro 20 segundotan egin zitzakeen korrika (gizakirik azkarrenak 9,6 behar ditu)

Zein handia zen Stegosaurus 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)

Stegosaurus 18 km/h inguru (11 mph)

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

Gepardo bat 100 km/h inguru (62 mph)

gauza bikainak

Datu dibertigarriak

Stegosaurus had a very small brain compared to its body, but it still survived for millions of years.1

The plates on its back were probably used for display or to control body temperature, not for fighting.1

Its tail had spikes, and scientists think Stegosaurus used them to defend itself from predators like Allosaurus.1

Stegosaurus had small, peg-shaped teeth that were not good for chewing, so it probably swallowed plants whole.1

It could probably only eat plants that were about 1 meter (3 feet) above the ground, unless it stood on two legs.1

Stegosaurus is the state fossil of Colorado, USA, since 1982.1

Stegosaurus: AAk egindako irudia — Stegosaurus 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

Stegosaurus: gehien egindako galderak

?How big was Stegosaurus?

Stegosaurus usually grew to about 6.5 metres (21 feet) long, but some reached 9 metres (30 feet). The largest known specimens weighed over 6.9 metric tons (7.6 short tons).2 1

?What did Stegosaurus eat?

Stegosaurus was a herbivore, eating plants like mosses, ferns, horsetails, cycads, and conifers. It probably ate low-lying bushes and shrubs, foraging at most 1 metre (3 feet) above the ground.1 3

?When did Stegosaurus live?

Stegosaurus lived in the Late Jurassic period, about 155 to 145 million years ago.1 3

?Where was Stegosaurus found?

Fossils of Stegosaurus have been found in the western United States and in Portugal.1 3

?Why did Stegosaurus have plates on its back?

Scientists are not exactly sure. The plates may have been used for display, to recognize each other, or to regulate body temperature. They were probably not used for fighting.3 1

?Did Stegosaurus have a small brain?

Yes, Stegosaurus had a very small brain compared to its body. Its brain was around the size of a plum!3 1

?Could Stegosaurus defend itself?

Yes, Stegosaurus had a spiked tail that it probably used to defend itself from predators like Allosaurus.3 1

?Was Stegosaurus bigger than a T. rex?

No, Stegosaurus was about 9 metres (30 feet) long, while T. rex was about 12 metres (40 feet) long. Stegosaurus was smaller.1

?How many species of Stegosaurus are there?

There are three universally recognized species: Stegosaurus stenops, Stegosaurus ungulatus, and Stegosaurus sulcatus.1 2

?Is Stegosaurus a dinosaur?

Yes, Stegosaurus is a dinosaur. It is a herbivorous, four-legged armored dinosaur from the Late Jurassic.1 3

Mito-hauslea

Mitoa: Some people think Stegosaurus had a second brain in its hips to help control its body.

Egia: Scientists now think that space in the hips was just for storing energy, not for a second brain.1

Dino adituentzat

Izen zientifikoa: Stegosaurus
Izendatzailea:: Marsh 18774
Taldea: Dino plakadunak
Familia / klada: Stegosauridae4
Sailkapena: Ornithischia > Stegosauria > Thyreophora4
Arroken adina: 162 eta 94 milioi urte artean (Oxfordian / Cenomanian)4
Arroka-formazioak: Morrison, Alcobaça, Cedar Mountain4
Herrialdeak: AEB, Portugal, Txina4
Fosil-erregistroak: 86 The Paleobiology Database datu-basean4
Aurkikuntza: O. C. Marsh named Stegosaurus in 1877. The first nearly complete skeleton was found in Colorado, USA, in 1885 and 1886 by Marshall P. Felch.1
Oraindik eztabaidagai: Scientists still debate how Stegosaurus ate enough plants to get so big, because its teeth and jaws were different from other plant-eating dinosaurs.1

Datuak nondik datozen

Stegosaurus (en.wikipedia.org)
Stegosaurus (britannica.com)
Stegosaurus | Natural History Museum (nhm.ac.uk)
Stegosaurus in The Paleobiology Database (CC BY 4.0): adina, tokiak, arroka-formazioak, sailkapena.

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