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Kartu dino No. 0751 ci 2 027

Gravisaurus

Tur bi mooy: “heavy lizard”1

Lekkoon: GàncaxDino yu lekk gàncax te am gémmiñu piccKretase bu jëkk

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

Dundoon

am na 113 ba 100 milyoŋ at4

Kretase bu jëkk

Guddaay

7 ba 9 m (23 ba 30 ft)1

Diisaay

2,5 toon ba 5,5 toon (5 500 ba 12 100 lb)1

Kawewaay

2 m (6,6 ft)1

Gaawaay bi gën a kawe

lu tollu ci 23 km/h (14 mph)

Daw, jortu

Kañ la dundoon?

Triyaas

Jurasik

Kretase

Am na 252 milyoŋ at20114566, asteroyid bi

Naka la réyoon?

Naka la guddoon?

Naka la kawewoon?

Naka la diisoon?

diis ni 4 oto

gudd ni 2 oto yu ñu taxawal ci benn rëddgudd ni 50 banaana yu ñu topp-toppalelu tollu ci diisaayu ñeydiis ni 1100 xaaldiis ni 7 klaas yu mat yu xale yu lekkooldiis ni 12 uurs yu weexmënoon na daw 100 meetar ci 16 segond (nit ki gën a gaaw dafay soxla 9,6)

Naka la Gravisaurus réyoon, bu ñu ko méngalee ak YAW?

Ay kalkil rekk ci sa navigatëer. Dara du ñu denc, dara du ñu yónne fenn.

Naka la gaawoon?

Nit kuy dox lu tollu ci 5 km/h (3 mph)

Xale bu nekk ci welo lu tollu ci 12 km/h (7 mph)

Gravisaurus lu tollu ci 23 km/h (14 mph)

Fas buy daw bu gaaw lu tollu ci 65 km/h (40 mph)

Segg bu gaaw lu tollu ci 100 km/h (62 mph)

yëf yu neex

Xibaar yu neex

Gravisaurus was first described in 1988 by paleontologist Souad Chabli in her PhD thesis, but the name was not officially published until 1999.2 1

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

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

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

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

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

Nataalu Gravisaurus bu ñu def ak IA — Nataal bu IA def la, muy wone ni Gravisaurus mën a meloon, ordinatëer moo ko def ci li boroom xam-xam yi xam. Jortu kese la: rab bi ci dëgg mën na meloon neneen, te kenn xamul ay kulëëram yu dëgg.

yeen a laaj

Laaj yi ñu gën a laaj ci Gravisaurus

?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

Ngir ñi xam dino lool

Turu xam-xam: Gravisaurus
Ku ko tudde: Chabli 19884
Kurél: Dino yu lekk gàncax te am gémmiñu picc
Njaboot / klad: Iguanodontoidea4
Klasifikasiyoŋ: Ornithischia > Ornithopoda > Iguanodontia4
Màggaayu doj yi: 113 ba 100 milyoŋ at (Albian)4
Fosil yu ñu gis: 1 ci The Paleobiology Database4
Gisees: 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 1999.1 2
Ñu ngi koy werante ba tey: Scientists disagree on how heavy Gravisaurus was. One estimate says about 5.5 tonnes, while another says only 2.5 tonnes.1

Fa xibaar yi jóge

Lurdusaurus (en.wikipedia.org)
Etude anatomique et systematique de gravisaurus tenerensis n. G. N. Sp. Dinosaurien, ornithischien) du gisement de gadoufaoua (aptien du niger) | Theses.fr (theses.fr)
Lurdusaurus (en.wikipedia.org)
Gravisaurus in The Paleobiology Database (CC BY 4.0): at, béréb yi, formasiyoŋi doj, klasifikasiyoŋ.

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