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Wannanosaurus

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

Kan nyaate: BiqiltootaMataa-gombisaaKireetaashasii Dhumaa

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

Kan jiraate

waggaa miliyoona 72 hanga 66 dura4

Kireetaashasii Dhumaa

Fosiliiwwan kan itti argaman

Yansi, Shexian County, Anhui Province, China2 4

Dheerina

0.6 m (2 ft)1

Ulfaatina

3 kg (7 lb)3

Saffisa ol'aanaa

gara 24 km/sa'a (15 mph)

Fiiguu, tilmaama

Yoom jiraate?

Tiraayaasikii

Juraasikii

Kireetaashasii

waggaa miliyoona 252 dura20114566, asteerooyidii

Hammam guddaa ture?

Hammam dheeraa ture?

Hammam ulfaataa ture?

akka muuzii 25 ulfaata

akka muuzii 3 walitti hiriiran dheeraagara ulfaatina adurree manaaakka muuzii 25 ulfaatameetira 100 sekondii 15 keessatti fiiguu danda'a (namni hunda caalaa saffisaan 9.6 barbaada)

SI wajjin yoo wal bira qabamu, Wannanosaurus hammam guddaa ture?

Herrega qofa barbaadduu kee keessatti. Wanti tokkollee hin olkaa'amu, eessayyuu hin ergamu.

Hammam saffisaa ture?

Nama miilaan deemu gara 5 km/sa'a (3 mph)

Daa'ima saayikilii irra jiru gara 12 km/sa'a (7 mph)

Wannanosaurus gara 24 km/sa'a (15 mph)

Farda gulufu gara 65 km/sa'a (40 mph)

Cheetaa gara 100 km/sa'a (62 mph)

wantoota bareedoo

Odeeffannoowwan bashannansiisoo

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

Fakkii AI'n hojjetame: Wannanosaurus — Fakkii AI'n hojjetame kan Wannanosaurus maal fakkaachuu akka danda'u agarsiisu, kompiitaraan beekumsa saayintistootaa irratti hundaa'uun hojjetame. Tilmaama qofa: bineensi dhugaa adda ta'ee mul'achuu danda'a, halluu isaa dhugaa immoo namni beeku hin jiru.

ati gaafatte

Gaaffiiwwan waa'ee Wannanosaurus baay'ee gaafataman

?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

Ogeeyyii daayinootiif

Maqaa saayinsii: Wannanosaurus
Kan maqaa baase: Hou 19774
Garee: Mataa-gombisaa
Maatii / kilaadii: Pachycephalosauria4
Ramaddii: Ornithischia > Pachycephalosauria4
Umurii dhagaawwanii: waggaa miliyoona 72 hanga 66 (Maastrichtian)4
Caasaawwan dhagaa: Xiaoyan4
Biyyoota: Chaayinaa4
Galmee fosilii: 1 The Paleobiology Database keessa4
Argannoo: 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
Ammallee falmisiisaa: 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

Odeeffannoon eessaa dhufa

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): umurii, bakkeewwan, caasaawwan dhagaa, ramaddii.

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