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Wannanosaurus

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

Yaryaga: IbimeraImitwe y'ikibumbeKiretase ya nyuma

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

Yabayeho

hashize imyaka miliyoni 72 kugeza 664

Kiretase ya nyuma

Ibisigazwa byabonetse muri

Yansi, Shexian County, Anhui Province, China2 4

Uburebure

0,6 m (2 ft)1

Uburemere

3 kg (7 lb)3

Umuvuduko wo hejuru

nka 24 km/h (15 mph)

Kwiruka, igereranya

Yabayeho ryari?

Triyasike

Jurasike

Kiretase

Hashize miliyoni 252 z'imyaka20114566, asiteroyide

Yanganaga ite?

Yari ndende ite?

Yari iremereye ite?

iremereye nk'imineke 25

ndende nk'imineke 3 ikurikiranyeiremereye nk'injangwe yo mu rugoiremereye nk'imineke 25yashoboraga kwiruka metero 100 mu masegonda 15 (umuntu wihuta kurusha abandi akenera 9,6)

Wannanosaurus yanganaga ite ugereranyije NAWE?

Ni imibare gusa ibarirwa muri mushakisha yawe. Nta kintu kibikwa cyangwa cyoherezwa ahandi.

Yihutaga ite?

Umuntu ugenda n'amaguru nka 5 km/h (3 mph)

Umwana ku igare nka 12 km/h (7 mph)

Wannanosaurus nka 24 km/h (15 mph)

Ifarashi yiruka cyane nka 65 km/h (40 mph)

Ingwe yihuta cyane nka 100 km/h (62 mph)

utuntu twiza cyane

Utuntu dushimishije

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

Ishusho ya Wannanosaurus yakozwe na AI — Ishusho yakozwe na AI yerekana uko Wannanosaurus ishobora kuba yari isa, yakozwe na mudasobwa hashingiwe ku byo abahanga bazi. Ni ugukeka gusa: inyamaswa nyayo ishobora kuba yari isa ukundi, kandi nta muntu uzi amabara yayo nyayo.

wabajije

Ibibazo bibazwa cyane kuri 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

Ku bazobereye muri dinozore

Izina rya siyansi: Wannanosaurus
Yiswe na: Hou 19774
Itsinda: Imitwe y'ikibumbe
Umuryango / ishami: Pachycephalosauria4
Ishyirwa mu byiciro: Ornithischia > Pachycephalosauria4
Imyaka y'amabuye: imyaka miliyoni 72 kugeza 66 (Maastrichtian)4
Inzego z'amabuye: Xiaoyan4
Ibihugu: Ubushinwa4
Ibisigazwa byanditswe: 1 muri The Paleobiology Database4
Ivumburwa: 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
Biracyagibwaho impaka: 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

Aho amakuru yakuwe

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): imyaka, ahantu, inzego z'amabuye, ishyirwa mu byiciro.

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