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Karata ya dino No. 0395 mo go 2 027

Chasmosaurus

Leina le raya: “opening lizard, referring to the large openings in its frill”1

E jele: DimelaDidino tse di nang le dinakaBofelo jwa Cretaceous

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

E tshetse

dimilione tsa dingwaga di le 84 go ya go 72 tse di fetileng3

Bofelo jwa Cretaceous

Difosili di fitlhetswe kwa

Alberta, Canada and Montana, USA1 3

Boleele

4.3 go ya go 4.8 m (14 go ya go 16 ft)1

Bokete

ditone di le 1.5 go ya go ditone di le 2 (3,300 go ya go 4,400 lb)1

Bogodimo

1.6 m (5.2 ft)

kakanyo

Bonako jo bogolo

e ka nna 35 km/h (22 mph)

Go taboga, kakanyo

E tshetse leng?

Triassic

Jurassic

Cretaceous

dimilione tsa dingwaga di le 252 tse di fetileng20114566, asteroiti

E ne e le kgolo go le kae?

E ne e le telele go le kae?

E ne e le kwa godimo go le kae?

kakanyo

E ne e le bokete go le kae?

bokete jaaka dikoloi di le 1.5

telele jaaka dintšwa di le 5 go tswa kwa nkong go ya kwa mogatlengtelele jaaka dibanana di le 27 di latelanabokete jaaka dintšwa di le 100bokete jaaka magapu a le 400bokete jaaka diphaposiborutelo tse di tletseng bana di le 2.5bokete jaaka dibere tse ditshweu di le 4e ne e ka taboga dimetara di le 100 mo metsotswaneng e le 10 (motho yo o bonako go gaisa o tlhoka 9,6)

Chasmosaurus e ne e le kgolo go le kae fa e bapisiwa le WENA?

Ke dipalo fela mo sebatling sa gago. Ga go sepe se se bolokwang kgotsa se se romelwang gope.

E ne e le bonako go le kae?

Motho yo o tsamayang e ka nna 5 km/h (3 mph)

Ngwana mo baesekeleng e ka nna 12 km/h (7 mph)

Chasmosaurus e ka nna 35 km/h (22 mph)

Pitse e e sianang ka bonako e ka nna 65 km/h (40 mph)

Lengau e ka nna 100 km/h (62 mph)

dilo tse di monate

Dintlha tse di monate

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

Setshwantsho sa Chasmosaurus se se dirilweng ke AI — Setshwantsho se se dirilweng ke AI sa kafa Chasmosaurus e ka tswang e ne e lebega ka gone, se dirilwe ke khomputara go ya ka se borasaense ba se itseng. Ke kakanyo fela: phologolo ya nnete e ka tswa e ne e lebega ka tsela e sele, mme ga go ope yo o itseng mebala ya yona ya nnete.

o botsitse

Dipotso tse di botswang thata ka ga Chasmosaurus

?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

Mothubi wa ditlhamane

Tlhamane: Some people think Chasmosaurus was a type of Triceratops.

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

Ya baitseanape ba didino

Leina la saense: Chasmosaurus
Leina le neilwe ke: Lambe 19143
Setlhopha: Didino tse di nang le dinaka
Lelapa / clade: Ceratopsidae3
Thulaganyo: Ornithischia > Ceratopsia > Ceratopsidae3
Bogolo jwa matlapa: 84 go ya go 72 dimilione tsa dingwaga (Campanian)3
Dibopego tsa matlapa: Dinosaur Park, Oldman, Judith River3
Dinaga: Khanata, Amerika3
Direkoto tsa difosili: 21 mo The Paleobiology Database3
E itsiwe gape e le: Eoceratops, Mojoceratops, Protorosaurus (maina a bogologolo jaanong a balwa jaaka phologolo e le nngwe)3
Go fitlhelwa: 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
Go sa ntse go ganetsanwa: Scientists still debate whether some fossils belong to Chasmosaurus or to a separate genus called Mojoceratops.1 3

Kwa dintlha di tswang teng

Chasmosaurus (en.wikipedia.org)
Chasmosaurus | Natural History Museum (nhm.ac.uk)
Chasmosaurus in The Paleobiology Database (CC BY 4.0): dingwaga, mafelo, dibopego tsa matlapa, thulaganyo.

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