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Ikhadi ledayinaso No. 0087 kwe-2 027

Amargasaurus

Igama lithetha: “lizard of La Amarga”1

Yayitya: IzityaloIintamo-ndeiCretaceous yokuqala

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

Yaphila

126 ukuya ku-121 izigidi zeminyaka eyadlulayo6

iCretaceous yokuqala

Iifosili zifunyenwe:

La Amarga Formation, Neuquén Province, Argentina6 1

Ubude

9 ukuya ku-13 m (30 ukuya ku-43 ft)2

Ubunzima

2.5 iitoni ukuya ku-4 iitoni (5,500 ukuya ku-8,800 lb)2 4

Ukuphakama

2.5 ukuya ku-2.7 m (8.2 ukuya ku-8.9 ft)2 3

Esona santya siphezulu

malunga ne-21 km/h (13 mph)

Ukubaleka, uqikelelo

Yaphila nini?

iTriassic

iJurassic

iCretaceous

Izigidi ezingama-252 zeminyaka eyadlulayo20114566, i-asteroyidi

Yayinkulu kangakanani?

Yayinde kangakanani?

Yayiphakame kangakanani?

Yayinzima kangakanani?

inzima njengeemoto ezingama-2.5

inde njengeemoto ezingama-3 zipakwe zilandelelanainde njengeebhanana ezingama-72 zilandelelanainzima njengezinja ezingama-200inzima njengamavatala angama-800inzima njengamagumbi okufundela apheleleyo abantwana angama-5inzima njengeebhere ezimhlophe ezingama-9ibinokubaleka iimitha ezili-100 ngemizuzwana engama-17 (oyena mntu ukhawulezayo udinga i-9,6)

Amargasaurus wayemkhulu kangakanani xa ethelekiswa NAWE?

Yimathematika nje kwibhrawuza yakho. Akukho nto igcinwayo okanye ithunyelwe naphi na.

Yayikhawuleza kangakanani?

Umntu ohambayo malunga ne-5 km/h (3 mph)

Umntwana ekhwele ibhayisikile malunga ne-12 km/h (7 mph)

Amargasaurus malunga ne-21 km/h (13 mph)

Ihashe elibaleka ngamandla malunga ne-65 km/h (40 mph)

Ingwenkala malunga ne-100 km/h (62 mph)

izinto ezimnandi

Iinyani ezimnandi

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

Umfanekiso owenziwe yi-AI: Amargasaurus — Umfanekiso owenziwe yi-AI obonisa indlela Amargasaurus esenokuba wayekhangeleka ngayo, wenziwe yikhompyutha ngokwento eyaziwa zizazinzulu. Kukuqikelela nje: esona silwanyana sinokuba sasikhangeleka ngenye indlela, kwaye akukho mntu waziyo imibala yaso yokwenyani.

ubuzile

Eyona mibuzo ibuzwa kakhulu: 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

Kwiingcali zeedayinaso

Igama lenzululwazi: Amargasaurus
Inikwe igama ngu:: Bonaparte 19846
Iqela: Iintamo-nde
Usapho / iclade: Dicraeosauridae6
Ukuhlelwa: Sauropodomorpha > Sauropoda > Diplodocoidea6
Ubudala bamatye: 126 ukuya ku-121 izigidi zeminyaka (Barremian)6
Izakhiwo zamatye: La Amarga6
Amazwe: i-Argentina6
Iirekhodi zeefosili: 2 kwi-Paleobiology Database6
Ukufunyanwa: 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
Kusaxoxwa ngayo: 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

Apho iinyani zivela khona

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): ubudala, iindawo, izakhiwo zamatye, ukuhlelwa.

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