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Allosaurus: marrazkia
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Allosaurus

Izenaren esanahia: “different lizard”1
Jaten zuen: HaragiaDino haragijaleakGoi Jurasikoa eta Behe Kretazeoa artean

Allosaurus was a huge meat-eating dinosaur that lived during the Late Jurassic period. It had a big head full of sharp, serrated teeth and walked on two strong legs. It was one of the top predators of its time, hunting large plant-eaters.1

Bizi izan zen
Duela 162 eta 137 milioi urte artean4
Goi Jurasikoa eta Behe Kretazeoa artean
Fosilak hemen aurkitu dira:
North America (Morrison Formation), Portugal, and possibly Germany, Tanzania, and Switzerland1
Luzera
7,5 eta 9 m artean (25 eta 30 ft artean)1
Pisua
1 tona eta 4 tona artean (2 200 eta 8 800 lb artean)1
Altuera
2,7 m (8,9 ft)
kalkulua
Abiadura maximoa
34 km/h inguru (21 mph)
Korrika egitea: Sellers & Manning 2007 (Christiansen 1998: 30 to 55)

Noiz bizi izan zen?

Triasikoa
Jurasikoa
Kretazeoa
Duela 252 milioi urte20114566, asteroidea

Zein handia zen?

Zein luzea zen?

Allosaurus 9 m inguru luze (30 ft)Heldu baten bizikleta 1,8 m inguru (5,9 ft)Auto bat 4,5 m inguru (15 ft)Elefante bat, gaur egungo lehorreko animaliarik handiena 6,5 m inguru (21 ft)

Zein altua zen?

Txakur bat0,5 m inguru (1,6 ft)Zaldi bat1,6 m inguru (5,2 ft)Allosaurus2,7 m inguru altu (8,9 ft)Elefante bat3,2 m inguru (10 ft)

kalkulua

Zein astuna zen?

2,5 auto bezain astun
ilaran aparkatutako 2 auto bezain luzebata bestearen atzean jarritako 50 banana bezain luze200 txakur bezain astun800 angurria bezain astunhaurrez betetako 5 ikasgela oso bezain astun9 hartz zuri bezain astun100 metro 11 segundotan egin zitzakeen korrika (gizakirik azkarrenak 9,6 behar ditu)

Zein handia zen Allosaurus ZUREKIN alderatuta?

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

Zein azkarra zen?

gauza bikainak

Datu dibertigarriak

1

Allosaurus had dozens of sharp, serrated teeth in its mouth, perfect for slicing meat.1

2

Its name means 'different lizard' because its backbone bones were light and hollow, which was unusual for a dinosaur of its size.1

3

Allosaurus lived from about 155 to 143 million years ago, during the Late Jurassic period.1

4

It was one of the most common large predators in its ecosystem, and many fossils have been found in the Morrison Formation.1

5

Some scientists think Allosaurus may have hunted in packs, but others think it was a solitary predator that only gathered in groups sometimes.1

6

Allosaurus had small, three-fingered hands, but its legs were large and powerful for running after prey.1

AAk eginaAllosaurus: AAk egindako irudia
Allosaurus 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

Allosaurus: gehien egindako galderak

?How big was Allosaurus?

Allosaurus averaged about 8.5 meters (28 feet) long, with the largest specimens estimated at 9.7 meters (32 feet). It weighed around 2,700 kilograms (about 6,000 pounds).13

?What did Allosaurus eat?

Allosaurus was a meat-eater that hunted large plant-eating dinosaurs like Stegosaurus, Diplodocus, and other ornithopods, stegosaurids, and sauropods. It may have also scavenged on dead dinosaurs.13

?When did Allosaurus live?

Allosaurus lived during the Late Jurassic period, about 155 to 143 million years ago. Some sources say 152 to 145 million years ago.13

?Where was Allosaurus found?

Most Allosaurus fossils come from North America's Morrison Formation, but some have also been found in Portugal. It lived in what is now the USA.13

?Was Allosaurus bigger than T. rex?

No, Allosaurus was smaller than T. rex. Allosaurus was about 8.5 to 9.7 meters long, while T. rex reached lengths of 12 to 13 meters.1

?Did Allosaurus hunt in packs?

Scientists aren't sure. Some think Allosaurus may have hunted in packs, but others think it was a solitary predator that only gathered in groups sometimes. There's evidence for both ideas.13

?How fast could Allosaurus run?

Up to about 34 km/h (21 mph), about as fast as a fast human runner. A computer model of its legs and muscles worked this out. Its big, strong legs were made for running after prey.1

?Did Allosaurus have feathers?

The sources don't mention feathers on Allosaurus. It is known to have had scaly skin, but no feather fossils have been found.1

?Why is it called Allosaurus?

Allosaurus means 'different lizard' in Greek. It got this name because its backbone bones were light and hollow, which was unusual for a dinosaur of its size.1

?Could Allosaurus swim?

The sources don't say whether Allosaurus could swim. It was a land dinosaur that walked on two legs, so it probably didn't swim often.1

Mito-hauslea

Mitoa: Some people think Allosaurus was a slow, clumsy scavenger.

Egia: Scientists think Allosaurus was a fast and active predator, with strong legs and sharp teeth for hunting live prey.1

Dino adituentzat

Izen zientifikoa
Allosaurus
Izendatzailea:
Marsh 18774
Taldea
Dino haragijaleak
Familia / klada
Allosauroidea4
Sailkapena
Theropoda > Allosauroidea4
Arroken adina
162 eta 137 milioi urte artean (Oxfordian / Berriasian)4
Arroka-formazioak
Morrison, Alcobaça, Lourinhã4
Herrialdeak
AEB, Portugal, Frantzia, Alemania4
Fosil-erregistroak
147 The Paleobiology Database datu-basean4
Honela ere ezaguna
Antrodemus, Apatodon, Creosaurus, Epanterias, Labrosaurus, Saurophagus (orain animalia bertzat hartzen diren izen zaharragoak)4
Aurkikuntza
The first fossils that could be clearly assigned to Allosaurus were described in 1877 by Othniel C. Marsh. He named it Allosaurus, meaning 'different lizard'.1
Oraindik eztabaidagai
Scientists still debate whether Allosaurus hunted in cooperative packs or was a solitary predator that sometimes gathered in groups.1

Datuak nondik datozen

  1. Allosaurus (en.wikipedia.org)
  2. PBDB Taxon (paleobiodb.org)
  3. Allosaurus | Natural History Museum (nhm.ac.uk)
  4. Allosaurus in The Paleobiology Database (CC BY 4.0): adina, tokiak, arroka-formazioak, sailkapena.

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