Kartu dino No. 0087 ci 2 027

Amargasaurus

Tur bi mooy: “lizard of La Amarga”1

Lekkoon: GàncaxBaat yu guddKretase bu jëkk

Amargasaurus was a sauropod with a very unusual back. It had long, sharp spines sticking up from its neck and back, like a row of spikes. Scientists think these spikes might have been used for defense or to impress other Amargasaurus.1

Dundoon

am na 126 ba 121 milyoŋ at6

Kretase bu jëkk

Fosil yu ñu gis ci

La Amarga Formation, Neuquén Province, Argentina6 1

Guddaay

9 ba 13 m (30 ba 43 ft)2

Diisaay

2,5 toon ba 4 toon (5 500 ba 8 800 lb)2 4

Kawewaay

2,5 ba 2,7 m (8,2 ba 8,9 ft)2 3

Gaawaay bi gën a kawe

lu tollu ci 21 km/h (13 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 2,5 oto

gudd ni 3 oto yu ñu taxawal ci benn rëddgudd ni 72 banaana yu ñu topp-toppalediis ni 200 xajdiis ni 800 xaaldiis ni 5 klaas yu mat yu xale yu lekkooldiis ni 9 uurs yu weexmënoon na daw 100 meetar ci 17 segond (nit ki gën a gaaw dafay soxla 9,6)

Naka la Amargasaurus 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)

Amargasaurus lu tollu ci 21 km/h (13 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

Amargasaurus had very long, sharp spines on its neck and back vertebrae. These spines were much longer than those of its relative Dicraeosaurus.1

The spines on its neck were so long that they probably stuck out like a sail or a row of spikes. Scientists think they could have been used for defense or to show off to other Amargasaurus.1

Amargasaurus was a dicraeosaurid, a family of sauropods with shorter necks than other long-necked dinosaurs. Its closest relatives include Dicraeosaurus and Bajadasaurus.6

The only known skeleton of Amargasaurus is mostly complete. It includes the back of the skull, most of the backbone, and parts of the legs and hips.1

Amargasaurus lived about 125 to 121 million years ago, during the Early Cretaceous period. That is about 15 to 20 million years after its African relative Dicraeosaurus.6 1

Scientists think Amargasaurus could not rear up on its hind legs like some other sauropods. Its legs were built for slow, steady walking, not speed.1

Nataalu Amargasaurus bu ñu def ak IA — Nataal bu IA def la, muy wone ni Amargasaurus 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 Amargasaurus

?How big was Amargasaurus?

Amargasaurus was about 9 to 13 metres long and weighed around 2.5 to 4 metric tons. That is small for a sauropod.2 5

?What did Amargasaurus eat?

Amargasaurus was a herbivore that ate tough plants. It had pencil-like teeth for grinding and chewing.5 2

?When did Amargasaurus live?

Amargasaurus lived during the Early Cretaceous period, about 130 to 120 million years ago.2 5

?Where was Amargasaurus found?

Amargasaurus was found in Argentina, in the La Amarga Formation of Neuquén Province. The only known skeleton was discovered in 1984.2 5

?Why did Amargasaurus have spines?

Scientists think the spines might have been used for display, combat, or defense. They could have supported a sail or been covered in horn.2 3

?Was Amargasaurus a dinosaur?

Yes, Amargasaurus was a dinosaur. It was a sauropod, a type of long-necked plant-eating dinosaur.2 5

?How fast could Amargasaurus run?

Scientists think Amargasaurus could not run fast. Its legs were built for slow, steady walking, not speed.2

?Is Amargasaurus bigger than T. rex?

Amargasaurus was longer than T. rex, reaching 9 to 13 metres, but it was much lighter, weighing only 2.5 to 4 metric tons.2

Ngir ñi xam dino lool

Turu xam-xam: Amargasaurus
Ku ko tudde: Bonaparte 19846
Kurél: Baat yu gudd
Njaboot / klad: Dicraeosauridae6
Klasifikasiyoŋ: Sauropodomorpha > Sauropoda > Diplodocoidea6
Màggaayu doj yi: 126 ba 121 milyoŋ at (Barremian)6
Formasiyoŋi doj: La Amarga6
Réew yi: Arsantin6
Fosil yu ñu gis: 2 ci The Paleobiology Database6
Gisees: Amargasaurus was named by Argentine paleontologist José Bonaparte in 1984. The skeleton was found in the La Amarga Formation in Neuquén Province, Argentina.6 1
Ñu ngi koy werante ba tey: Scientists are not sure exactly what the long spines on Amargasaurus's neck were used for. They might have been for defense, to attract mates, or to help control body temperature.1

Fa xibaar yi jóge

p (naturalhistory.si.edu)
Amargasaurus (en.wikipedia.org)
Amargasaurus | Western Australian Museum (museum.wa.gov.au)
Giants and Bizarres: Body Size of Some Southern South American Cretaceous Dinosaurs (miketaylor.org.uk)
Amargasaurus | Natural History Museum (nhm.ac.uk)
Amargasaurus in The Paleobiology Database (CC BY 4.0): at, béréb yi, formasiyoŋi doj, klasifikasiyoŋ.

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