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Stegoceras

Hiika maqaa: “horn roof”1

Kan nyaate: BiqiltootaMataa-gombisaaKireetaashasii Dhumaa

Stegoceras was a small dinosaur with a thick, bony dome on its head. It lived in North America during the Late Cretaceous period, about 77 to 74 million years ago. Scientists think it used its dome for head-butting or showing off to other Stegoceras.1

Kan jiraate

waggaa miliyoona 84 hanga 66 dura4

Kireetaashasii Dhumaa

Fosiliiwwan kan itti argaman

Alberta, Canada, and New Mexico, USA1 2

Dheerina

2 hanga 2.5 m (6.6 hanga 8.2 ft)1

Ulfaatina

10 kg hanga 40 kg (22 hanga 88 lb)1

Saffisa ol'aanaa

gara 39 km/sa'a (24 mph)

Fiiguu, tilmaama

Yoom jiraate?

Tiraayaasikii

Juraasikii

Kireetaashasii

waggaa miliyoona 252 dura20114566, asteerooyidii

Hammam guddaa ture?

Hammam dheeraa ture?

Hammam ulfaataa ture?

akka saree 2 ulfaata

akka saree 2.5 funyaan hanga eegeetti dheeraaakka muuzii 14 walitti hiriiran dheeraaakka adurree manaa 10 ulfaataakka habxuu 8 ulfaataakka ijoollee KG 2 ulfaataakka ijoollee mana barumsaa 1 ulfaatameetira 100 sekondii 9.2 keessatti fiiguu danda'a (namni hunda caalaa saffisaan 9.6 barbaada)

SI wajjin yoo wal bira qabamu, Stegoceras 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)

Stegoceras gara 39 km/sa'a (24 mph)

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

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

wantoota bareedoo

Odeeffannoowwan bashannansiisoo

Stegoceras had a thick, smooth dome on top of its skull that grew bigger as it got older.1

The back of its skull had a shelf with small horns made from knobby bumps.1

It had a stiff tail and a broad pelvis, which might have held a big gut for digesting plants.1

Stegoceras was one of the first dome-headed dinosaurs ever discovered, known from skull domes found in 1898.1

Its teeth were small and serrated, good for shearing plants but not for chewing tough fibers.1

Scientists once thought some flat-headed pachycephalosaurs were different species, but they may just be young Stegoceras.1

Fakkii AI'n hojjetame: Stegoceras — Fakkii AI'n hojjetame kan Stegoceras 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 Stegoceras baay'ee gaafataman

?How big was Stegoceras?

About 2 to 2.5 metres (6.6 to 8.2 ft) long and weighed around 10 to 40 kilograms (22 to 88 lb).1

?What did Stegoceras eat?

It was an herbivore, eating plants. Its small, serrated teeth were good for shearing leaves, seeds, and fruit.1 2

?Did Stegoceras really head-butt?

Scientists are not sure. Some think it used its dome for head-butting or flank-butting, while others think it was for showing off or recognizing its own kind.1 3

?When did Stegoceras live?

It lived during the Late Cretaceous period, about 77.5 to 74 million years ago.1 2

?Where was Stegoceras found?

Fossils have been found in Canada (Alberta) and the USA (New Mexico).1 2

?Is Stegoceras a dinosaur?

Yes, it is a pachycephalosaurid dinosaur, a dome-headed dinosaur.1 2

Seenaa sobaa diigaa

Seenaa sobaa: Many people think Stegoceras used its dome only for head-butting like a battering ram.

Dhugaa: Scientists debate whether the dome was used for head-butting, flank-butting, or just for display to attract mates.1

Ogeeyyii daayinootiif

Maqaa saayinsii: Stegoceras
Kan maqaa baase: Lambe 19024
Garee: Mataa-gombisaa
Maatii / kilaadii: Eupachycephalosauria4
Ramaddii: Ornithischia > Pachycephalosauria4
Umurii dhagaawwanii: waggaa miliyoona 84 hanga 66 (Campanian / Maastrichtian)4
Caasaawwan dhagaa: Judith River, Dinosaur Park, Fruitland4
Biyyoota: Ameerikaa, Kanaadaa4
Galmee fosilii: 46 The Paleobiology Database keessa4
Maqaan biraa: Gravitholus, Hanssuessia, Ornatotholus (maqaawwan durii amma akka bineensa tokkootti lakkaa'amu)4
Argannoo: Stegoceras was named by paleontologist Lawrence Lambe in 1902, based on partial skull domes found in Alberta, Canada, in 1898 and 1901.1
Ammallee falmisiisaa: Scientists are still unsure whether the species Stegoceras novomexicanum from New Mexico really belongs to Stegoceras or to a different dinosaur.1

Odeeffannoon eessaa dhufa

Stegoceras (en.wikipedia.org)
Stegoceras | Natural History Museum (nhm.ac.uk)
Stegoceras- Enchanted Learning Software (enchantedlearning.com)
Stegoceras in The Paleobiology Database (CC BY 4.0): umurii, bakkeewwan, caasaawwan dhagaa, ramaddii.

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