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Rubeosaurus

Hiika maqaa: “bramble lizard”1

Kan nyaate: BiqiltootaDaayinoowwan gaanfa qabanKireetaashasii Dhumaa

Rubeosaurus was a horned dinosaur with a big frill and spikes on its head. It lived in what is now Montana, USA, about 75 million years ago. It was a plant eater and walked on four legs.1 2

Kan jiraate

waggaa miliyoona 84 hanga 72 dura5

Kireetaashasii Dhumaa

Fosiliiwwan kan itti argaman

Montana, USA, in the Two Medicine Formation1 2

Dheerina

5 hanga 5.5 m (16 hanga 18 ft)4

Ulfaatina

1.8 toonii hanga 2.7 toonii (4,000 hanga 6,000 lb)4

Ol-dheerina

1.8 m (5.9 ft)4

Saffisa ol'aanaa

gara 32 km/sa'a (20 mph)

Fiiguu, tilmaama

Yoom jiraate?

Tiraayaasikii

Juraasikii

Kireetaashasii

waggaa miliyoona 252 dura20114566, asteerooyidii

Hammam guddaa ture?

Hammam dheeraa ture?

Hammam ol-dheeraa ture?

Hammam ulfaataa ture?

akka konkolaataa 2 ulfaata

akka saree 6 funyaan hanga eegeetti dheeraaakka muuzii 31 walitti hiriiran dheeraaakka saree 140 ulfaataakka habxuu 540 ulfaataakka kutaalee mana barumsaa guutuu 3 ulfaataakka beeraa adii 6 ulfaatameetira 100 sekondii 11 keessatti fiiguu danda'a (namni hunda caalaa saffisaan 9.6 barbaada)

SI wajjin yoo wal bira qabamu, Rubeosaurus 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)

Rubeosaurus gara 32 km/sa'a (20 mph)

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

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

wantoota bareedoo

Odeeffannoowwan bashannansiisoo

Rubeosaurus had two long spikes on its neck frill that leaned inward toward each other, a feature that is unique to this dinosaur.3

The spikes on its frill were much shorter than those of its close relative Styracosaurus, with the longest measuring about 295 millimeters (11.6 inches).1

Rubeosaurus is known from very few fossils, only a few skull pieces, which made it one of the most mysterious horned dinosaurs.3

Scientists think Rubeosaurus was closely related to Einiosaurus, Achelousaurus, and Pachyrhinosaurus, based on the shape of its skull bones.3

Rubeosaurus lived in the same area and time as other horned dinosaurs like Einiosaurus and Achelousaurus, but they are found at different levels in the rock.3

The first fossil of Rubeosaurus was a piece of the back of the skull, found in Montana and described in 1930.1

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

?How big was Rubeosaurus?

Scientists do not know its exact size because only a few skull pieces have been found, but it was probably about 5 to 5.5 metres (16 to 18 feet) long and weighed around 1.8 to 2.7 metric tons (2.0 to 3.0 short tons), like its close relative Styracosaurus.1 4

?What did Rubeosaurus eat?

Rubeosaurus was a plant eater. It had a beak and shearing cheek teeth that helped it slice up plants.1 4

?Did Rubeosaurus have feathers?

No, Rubeosaurus did not have feathers. It was a horned dinosaur with scales, like other ceratopsians.1

?When did Rubeosaurus live?

Rubeosaurus lived about 75 million years ago, during the Late Cretaceous Period.1 3

?Where was Rubeosaurus found?

All Rubeosaurus fossils have been found in the Two Medicine Formation of Montana, USA, near Landslide Butte on the Blackfeet Nation.3

?How many spikes did Rubeosaurus have?

Rubeosaurus had at least two long spikes on each side of its neck frill, and the longest spike measured about 295 millimetres (11.6 inches).1

?Was Rubeosaurus a dinosaur?

Yes, Rubeosaurus was a dinosaur. It was a horned dinosaur called a ceratopsian.1

?Is Rubeosaurus the same as Styracosaurus?

Rubeosaurus was originally named as a species of Styracosaurus, but scientists now think it is a different genus. Some researchers still consider it a species of Styracosaurus.1 3

Seenaa sobaa diigaa

Seenaa sobaa: Rubeosaurus is just a species of Styracosaurus.

Dhugaa: Scientists used to think so, but in 2010 they gave it its own genus, Rubeosaurus, because its skull features are different. Some scientists still debate this, and it may be a species of Styracosaurus again.1

Ogeeyyii daayinootiif

Maqaa saayinsii: Rubeosaurus
Kan maqaa baase: McDonald and Horner 20105
Garee: Daayinoowwan gaanfa qaban
Maatii / kilaadii: Ceratopsidae5
Ramaddii: Ornithischia > Ceratopsia > Ceratopsidae5
Umurii dhagaawwanii: waggaa miliyoona 84 hanga 72 (Campanian)5
Caasaawwan dhagaa: Two Medicine5
Biyyoota: Ameerikaa5
Galmee fosilii: 2 The Paleobiology Database keessa5
Argannoo: The first fossil was found in Montana and named Styracosaurus ovatus by Charles Gilmore in 1930. In 2010, Andrew McDonald and Jack Horner gave it the new name Rubeosaurus after studying more fossils.1 3
Ammallee falmisiisaa: Scientists still debate whether Rubeosaurus is its own genus or just a species of Styracosaurus, because the fossils are so incomplete.1

Odeeffannoon eessaa dhufa

Styracosaurus (en.wikipedia.org)
PBDB Taxon (paleobiodb.org)
A Subadult Specimen of Rubeosaurus ovatus (Dinosauria: Ceratopsidae), with Observations on Other Ceratopsids from the Two Medicine Formation | PLOS One (journals.plos.org)
Styracosaurus (Wikipedia) (Wikipedia)
Rubeosaurus in The Paleobiology Database (CC BY 4.0): umurii, bakkeewwan, caasaawwan dhagaa, ramaddii.

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