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Rubeosaurus

Izina risobanura: “bramble lizard”1

Yaryaga: IbimeraDinozore zifite amahembeKiretase ya nyuma

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

Yabayeho

hashize imyaka miliyoni 84 kugeza 725

Kiretase ya nyuma

Ibisigazwa byabonetse muri

Montana, USA, in the Two Medicine Formation1 2

Uburebure

5 kugeza 5,5 m (16 kugeza 18 ft)4

Uburemere

toni 1,8 kugeza toni 2,7 (4 000 kugeza 6 000 lb)4

Ubutumburuke

1,8 m (5,9 ft)4

Umuvuduko wo hejuru

nka 32 km/h (20 mph)

Kwiruka, igereranya

Yabayeho ryari?

Triyasike

Jurasike

Kiretase

Hashize miliyoni 252 z'imyaka20114566, asiteroyide

Yanganaga ite?

Yari ndende ite?

Ubutumburuke bwayo bwanganaga iki?

Yari iremereye ite?

iremereye nk'imodoka 2

ndende nk'imbwa 6 zikurikiranyendende nk'imineke 31 ikurikiranyeiremereye nk'imbwa 140iremereye nk'imbuto 540 za watermeloniremereye nk'ibyumba 3 by'amashuri byuzuye abanairemereye nk'idubu 6 zo mu ruburayashoboraga kwiruka metero 100 mu masegonda 11 (umuntu wihuta kurusha abandi akenera 9,6)

Rubeosaurus 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)

Rubeosaurus nka 32 km/h (20 mph)

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

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

utuntu twiza cyane

Utuntu dushimishije

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

Ishusho ya Rubeosaurus yakozwe na AI — Ishusho yakozwe na AI yerekana uko Rubeosaurus 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 Rubeosaurus

?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

Gusenya ibinyoma

Ibivugwa: Rubeosaurus is just a species of Styracosaurus.

Ukuri: 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

Ku bazobereye muri dinozore

Izina rya siyansi: Rubeosaurus
Yiswe na: McDonald and Horner 20105
Itsinda: Dinozore zifite amahembe
Umuryango / ishami: Ceratopsidae5
Ishyirwa mu byiciro: Ornithischia > Ceratopsia > Ceratopsidae5
Imyaka y'amabuye: imyaka miliyoni 84 kugeza 72 (Campanian)5
Inzego z'amabuye: Two Medicine5
Ibihugu: Amerika5
Ibisigazwa byanditswe: 2 muri The Paleobiology Database5
Ivumburwa: 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
Biracyagibwaho impaka: Scientists still debate whether Rubeosaurus is its own genus or just a species of Styracosaurus, because the fossils are so incomplete.1

Aho amakuru yakuwe

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

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