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Chasmosaurus

Hiika maqaa: “opening lizard, referring to the large openings in its frill”1

Kan nyaate: BiqiltootaDaayinoowwan gaanfa qabanKireetaashasii Dhumaa

Chasmosaurus was a plant-eating dinosaur with a huge bony frill on its head. It lived in what is now Canada and the USA during the Late Cretaceous period, about 77 to 74 million years ago. It was smaller than its famous relative Triceratops, but still weighed as much as a car.1

Kan jiraate

waggaa miliyoona 84 hanga 72 dura3

Kireetaashasii Dhumaa

Fosiliiwwan kan itti argaman

Alberta, Canada and Montana, USA1 3

Dheerina

4.3 hanga 4.8 m (14 hanga 16 ft)1

Ulfaatina

1.5 toonii hanga 2 toonii (3,300 hanga 4,400 lb)1

Ol-dheerina

1.6 m (5.2 ft)

tilmaama

Saffisa ol'aanaa

gara 35 km/sa'a (22 mph)

Fiiguu, tilmaama

Yoom jiraate?

Tiraayaasikii

Juraasikii

Kireetaashasii

waggaa miliyoona 252 dura20114566, asteerooyidii

Hammam guddaa ture?

Hammam dheeraa ture?

Hammam ol-dheeraa ture?

tilmaama

Hammam ulfaataa ture?

akka konkolaataa 1.5 ulfaata

akka saree 5 funyaan hanga eegeetti dheeraaakka muuzii 27 walitti hiriiran dheeraaakka saree 100 ulfaataakka habxuu 400 ulfaataakka kutaalee mana barumsaa guutuu 2.5 ulfaataakka beeraa adii 4 ulfaatameetira 100 sekondii 10 keessatti fiiguu danda'a (namni hunda caalaa saffisaan 9.6 barbaada)

SI wajjin yoo wal bira qabamu, Chasmosaurus 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)

Chasmosaurus gara 35 km/sa'a (22 mph)

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

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

wantoota bareedoo

Odeeffannoowwan bashannansiisoo

The name Chasmosaurus means 'opening lizard' because its frill had huge holes, called fenestrae, that made it lighter.1

It was first named Protorosaurus, but that name was already used for another reptile, so it was changed to Chasmosaurus in 1914.1

Some scientists think that Chasmosaurus lived alongside other horned dinosaurs like Centrosaurus, but they probably ate different plants to avoid competing.1

Fossils of Chasmosaurus include skin impressions, which are very rare and help scientists understand what its skin looked like.1

One specimen, ROM 843, is a nearly complete skeleton that shows how the dinosaur was built.1

Chasmosaurus had a short nose and a beak, and its frill was probably used for display or to attract mates.1

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

?How big was Chasmosaurus?

Chasmosaurus was about 4.3 to 4.8 metres (14 to 16 feet) long and weighed around 1.5 to 2 tonnes (3,300 to 4,400 pounds). That is about the size of a small car.1 2

?What did Chasmosaurus eat?

Chasmosaurus was a herbivore, meaning it ate plants. It had a horny beak and teeth for cropping and chewing plant material.2

?Did Chasmosaurus have feathers?

No, Chasmosaurus did not have feathers. It had scaly skin, and we know this because fossil skin impressions have been found showing large scales in rows.1

?Why did Chasmosaurus have a frill?

The frill was probably used for display, to attract mates, or to make the dinosaur look bigger. It had huge holes to make it lighter, so it was not much use for defense.1

?Could Chasmosaurus walk on two legs?

No, Chasmosaurus walked on all four legs. Its front legs were shorter than its back legs, but it was quadrupedal.2

?When did Chasmosaurus live?

Chasmosaurus lived during the Late Cretaceous Period, about 77 to 74 million years ago.1 2

?Where was Chasmosaurus found?

Fossils of Chasmosaurus were found in the Dinosaur Park Formation in Alberta, Canada. All excavated specimens come from that area.1

?Was Chasmosaurus related to Triceratops?

Yes, Chasmosaurus was a ceratopsid, so it was related to Triceratops. But Chasmosaurus was smaller and had a longer frill with big holes.1

Seenaa sobaa diigaa

Seenaa sobaa: Some people think Chasmosaurus was a type of Triceratops.

Dhugaa: Chasmosaurus was a different genus of ceratopsid dinosaur, with a much larger frill and smaller horns than Triceratops.1

Ogeeyyii daayinootiif

Maqaa saayinsii: Chasmosaurus
Kan maqaa baase: Lambe 19143
Garee: Daayinoowwan gaanfa qaban
Maatii / kilaadii: Ceratopsidae3
Ramaddii: Ornithischia > Ceratopsia > Ceratopsidae3
Umurii dhagaawwanii: waggaa miliyoona 84 hanga 72 (Campanian)3
Caasaawwan dhagaa: Dinosaur Park, Oldman, Judith River3
Biyyoota: Kanaadaa, Ameerikaa3
Galmee fosilii: 21 The Paleobiology Database keessa3
Maqaan biraa: Eoceratops, Mojoceratops, Protorosaurus (maqaawwan durii amma akka bineensa tokkootti lakkaa'amu)3
Argannoo: The first Chasmosaurus fossil was found in 1898 by Lawrence Lambe in Alberta, Canada. He named it Monoclonius belli at first, but later changed the name to Chasmosaurus in 1914.1
Ammallee falmisiisaa: Scientists still debate whether some fossils belong to Chasmosaurus or to a separate genus called Mojoceratops.1 3

Odeeffannoon eessaa dhufa

Chasmosaurus (en.wikipedia.org)
Chasmosaurus | Natural History Museum (nhm.ac.uk)
Chasmosaurus in The Paleobiology Database (CC BY 4.0): umurii, bakkeewwan, caasaawwan dhagaa, ramaddii.

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