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Gravisaurus: marrazkia
Dino txartela, 0751. zk. (2ย 027 guztira)

Gravisaurus

Izenaren esanahia: “heavy lizard”1
Jaten zuen: LandareakLandarejale mokodunakBehe Kretazeoa

Gravisaurus was a heavy, plant-eating dinosaur that lived in what is now Niger, Africa, about 112 million years ago. It had a small head, a long neck, a round body, and strong front legs with big claws. Scientists think it moved slowly and may have looked a bit like a giant ground sloth.1

Bizi izan zen
Duela 113 eta 100 milioi urte artean4
Behe Kretazeoa
Luzera
7 eta 9 m artean (23 eta 30 ft artean)1
Pisua
2,5 tona eta 5,5 tona artean (5ย 500 eta 12ย 100 lb artean)1
Altuera
2 m (6,6 ft)1
Abiadura maximoa
23 km/h inguru (14 mph)
Korrika egitea, kalkulua

Noiz bizi izan zen?

Triasikoa
Jurasikoa
Kretazeoa
Duela 252 milioi urte20114566, asteroidea

Zein handia zen?

Zein luzea zen?

Gravisaurus 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)Gravisaurus2 m inguru altu (6,6 ft)Elefante bat3,2 m inguru (10 ft)

Zein astuna zen?

4 auto bezain astun
ilaran aparkatutako 2 auto bezain luzebata bestearen atzean jarritako 50 banana bezain luzeelefante bat bezain astun, gutxi gorabehera1100 angurria bezain astunhaurrez betetako 7 ikasgela oso bezain astun12 hartz zuri bezain astun100 metro 16 segundotan egin zitzakeen korrika (gizakirik azkarrenak 9,6 behar ditu)

Zein handia zen Gravisaurus ZUREKIN alderatuta?

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

Zein azkarra zen?

gauza bikainak

Datu dibertigarriak

1

Gravisaurus was first described in 1988 by paleontologist Souad Chabli in her PhD thesis, but the name was not officially published until 1999.21

2

Its thumb spike was huge, much bigger than in other iguanodonts.1

3

Gravisaurus may have been the first ornithischian dinosaur with graviportal anatomy, meaning its legs were built to support a very heavy body.1

4

Its stomach was only about 70 centimetres (2 feet 4 inches) off the ground when it stood on all fours.1

5

Gravisaurus lived in a forested river environment alongside other dinosaurs like Ouranosaurus, Nigersaurus, and the giant crocodile Sarcosuchus.1

6

Some scientists think Gravisaurus behaved like a hippopotamus, spending time in water and moving slowly on land.1

AAk eginaGravisaurus: AAk egindako irudia
Gravisaurus 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

Gravisaurus: gehien egindako galderak

?How big was Gravisaurus?

Gravisaurus was about 7 to 9 metres (23 to 30 feet) long and 2 metres (6.6 feet) tall on all fours. It weighed between 2.5 and 5.5 tonnes (2.8 to 6.1 short tons), which is as heavy as a large hippo.3

?What did Gravisaurus eat?

Gravisaurus was a plant-eater. It lived in a forested area with soft plants like ferns and horsetails, which it likely ate.3

?Did Gravisaurus have any predators?

Yes, Gravisaurus lived alongside big meat-eaters like the spinosaurid Suchomimus and the carcharodontosaurid Eocarcharia. Its huge thumb spike was probably used for defense.3

?Could Gravisaurus swim?

Some scientists think Gravisaurus may have behaved like a hippo, spending time in water. Its heavy body and strong legs suggest it could move in rivers, but nobody knows for sure if it swam.3

?Why did Gravisaurus have a thumb spike?

Gravisaurus had a massive thumb spike that scientists think was used for defense against predators.3

?Is Gravisaurus a dinosaur?

Yes, Gravisaurus is a dinosaur. It is a type of iguanodont ornithischian dinosaur from the Early Cretaceous period.3

Dino adituentzat

Izen zientifikoa
Gravisaurus
Izendatzailea:
Chabli 19884
Taldea
Landarejale mokodunak
Familia / klada
Iguanodontoidea4
Sailkapena
Ornithischia > Ornithopoda > Iguanodontia4
Arroken adina
113 eta 100 milioi urte artean (Albian)4
Fosil-erregistroak
1 The Paleobiology Database datu-basean4
Aurkikuntza
The first skeleton of Gravisaurus was found in 1965 by French paleontologist Philippe Taquet in the Tenere desert of Niger. It was named Gravisaurus tenerensis by Souad Chabli in 1988, but later renamed Lurdusaurus arenatus in 1999.12
Oraindik eztabaidagai
Scientists disagree on how heavy Gravisaurus was. One estimate says about 5.5 tonnes, while another says only 2.5 tonnes.1

Datuak nondik datozen

  1. Lurdusaurus (en.wikipedia.org)
  2. Etude anatomique et systematique de gravisaurus tenerensis n. G. N. Sp. Dinosaurien, ornithischien) du gisement de gadoufaoua (aptien du niger) | Theses.fr (theses.fr)
  3. Lurdusaurus (en.wikipedia.org)
  4. Gravisaurus in The Paleobiology Database (CC BY 4.0): adina, tokiak, arroka-formazioak, sailkapena.

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