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Ikhadi ledayinaso No. 1909 kwe-2 027

Wannanosaurus

Igama lithetha: “Wannan lizard, named after the area in China where it was found”1

Yayitya: IzityaloIintloko-ngqukuvaiCretaceous yamva

Wannanosaurus was a tiny dome-headed dinosaur that lived about 70 million years ago in what is now China. It had a flat skull instead of a big dome, and it was one of the smallest pachycephalosaurs ever found.1 2

Yaphila

72 ukuya ku-66 izigidi zeminyaka eyadlulayo4

iCretaceous yamva

Iifosili zifunyenwe:

Yansi, Shexian County, Anhui Province, China2 4

Ubude

0.6 m (2 ft)1

Ubunzima

3 kg (7 lb)3

Esona santya siphezulu

malunga ne-24 km/h (15 mph)

Ukubaleka, uqikelelo

Yaphila nini?

iTriassic

iJurassic

iCretaceous

Izigidi ezingama-252 zeminyaka eyadlulayo20114566, i-asteroyidi

Yayinkulu kangakanani?

Yayinde kangakanani?

Yayinzima kangakanani?

inzima njengeebhanana ezingama-25

inde njengeebhanana ezingama-3 zilandelelanamalunga nobunzima bekati yasekhayainzima njengeebhanana ezingama-25ibinokubaleka iimitha ezili-100 ngemizuzwana engama-15 (oyena mntu ukhawulezayo udinga i-9,6)

Wannanosaurus 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)

Wannanosaurus malunga ne-24 km/h (15 mph)

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

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

izinto ezimnandi

Iinyani ezimnandi

Wannanosaurus had a completely flat skull roof with large openings called supratemporal fenestrae, unlike later dome-headed relatives.2

Its femur was only about 8 centimeters (3.1 inches) long, making it one of the smallest pachycephalosaurs.1

The skull bones were fused together, showing that this tiny dinosaur was an adult when it died.1

It had a long lower jaw with small, denticulated (serrated) teeth, good for chewing plants.2

Wannanosaurus lived in the Late Cretaceous period, about 72 to 69 million years ago.1

Its forelimbs were short, with the humerus only half the length of the femur or less.2

Umfanekiso owenziwe yi-AI: Wannanosaurus — Umfanekiso owenziwe yi-AI obonisa indlela Wannanosaurus 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: Wannanosaurus

?How big was Wannanosaurus?

It was very small, about 60 centimetres (2.0 feet) long. Its thigh bone was only about 8 centimetres (3.1 inches) long.1

?Did Wannanosaurus have a dome on its head?

No, it had a flat skull roof with large openings, unlike later dome-headed pachycephalosaurs. That is why scientists consider it a primitive member of the group.1

?What did Wannanosaurus eat?

It was probably herbivorous or omnivorous, eating low-growing plants and maybe insects. Its small, serrated teeth were good for chewing plants.1

?When did Wannanosaurus live?

It lived about 70 million years ago, during the Late Cretaceous period (Maastrichtian age).1

?Where was Wannanosaurus found?

Its fossils were discovered in Anhui, China, in the Xiaoyan Formation. The name means 'Wannan lizard' after the region.1

?Is Wannanosaurus a dinosaur?

Yes, it is a dinosaur. It belongs to the group Pachycephalosauria, which are dome-headed dinosaurs, even though its own skull was flat.1

Kwiingcali zeedayinaso

Igama lenzululwazi: Wannanosaurus
Inikwe igama ngu:: Hou 19774
Iqela: Iintloko-ngqukuva
Usapho / iclade: Pachycephalosauria4
Ukuhlelwa: Ornithischia > Pachycephalosauria4
Ubudala bamatye: 72 ukuya ku-66 izigidi zeminyaka (Maastrichtian)4
Izakhiwo zamatye: Xiaoyan4
Amazwe: iTshayina4
Iirekhodi zeefosili: 1 kwi-Paleobiology Database4
Ukufunyanwa: Wannanosaurus was named by Chinese paleontologist Hou Lian-Hai in 1977, based on a partial skeleton found in red sandstones of the Xiaoyan Formation in Anhui, China.2 1
Kusaxoxwa ngayo: Scientists are not sure if Wannanosaurus was a very primitive pachycephalosaur or if it was closely related to other flat-headed forms like Homalocephale.1 2

Apho iinyani zivela khona

Wannanosaurus (en.wikipedia.org)
A primitive pachycephalosaurid from the Cretaceous of Anhui, China, Wannanosaurus yansiensis gen. et sp. nov (naturalhistory.si.edu)
Wannanosaurus yansiensis | Dinosaur Database by DinoAnimals.com (dinoanimals.com)
Wannanosaurus in The Paleobiology Database (CC BY 4.0): ubudala, iindawo, izakhiwo zamatye, ukuhlelwa.

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