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Chasmosaurus

Naam beteken: “opening lizard, referring to the large openings in its frill”1

Het geëet: PlanteDino's met horingsLaat Kryt

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

Het geleef

84 tot 72 miljoen jaar gelede3

Laat Kryt

Fossiele gevind in

Alberta, Canada and Montana, USA1 3

Lengte

4,3 tot 4,8 m (14 tot 16 ft)1

Gewig

1,5 ton tot 2 ton (3 300 tot 4 400 lb)1

Hoogte

1,6 m (5,2 ft)

skatting

Topspoed

omtrent 35 km/h (22 mph)

Hardloop, skatting

Wanneer het dit geleef?

Trias

Jura

Kryt

252 miljoen jaar gelede20114566, die asteroïde

Hoe groot was dit?

Hoe lank was dit?

Hoe hoog was dit?

skatting

Hoe swaar was dit?

so swaar soos 1,5 motors

so lank soos 5 honde van neus tot stertso lank soos 27 piesangs punt aan puntso swaar soos 100 hondeso swaar soos 400 waatlemoeneso swaar soos 2,5 hele skoolklasse vol kindersso swaar soos 4 ysberekon 100 meter in 10 sekondes hardloop (die vinnigste mens het 9,6 nodig)

Hoe groot was Chasmosaurus vergeleke met JOU?

Net wiskunde in jou blaaier. Niks word gestoor of êrens heen gestuur nie.

Hoe vinnig was dit?

'n Mens wat loop omtrent 5 km/h (3 mph)

'n Kind op 'n fiets omtrent 12 km/h (7 mph)

Chasmosaurus omtrent 35 km/h (22 mph)

'n Galopperende perd omtrent 65 km/h (40 mph)

'n Jagluiperd omtrent 100 km/h (62 mph)

cool goed

Prettige feite

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

KI-prent van Chasmosaurus — 'n KI-prent van hoe Chasmosaurus dalk gelyk het, deur 'n rekenaar gemaak uit wat wetenskaplikes weet. Dit is 'n raaiskoot: die regte dier het dalk anders gelyk, en niemand weet wat sy regte kleure was nie.

julle het gevra

Mees gevraagde vrae oor 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

Mite-breker

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

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

Vir dino-kenners

Wetenskaplike naam: Chasmosaurus
Benoem deur: Lambe 19143
Groep: Dino's met horings
Familie / klade: Ceratopsidae3
Klassifikasie: Ornithischia > Ceratopsia > Ceratopsidae3
Ouderdom van die rotse: 84 tot 72 miljoen jaar (Campanian)3
Rotsformasies: Dinosaur Park, Oldman, Judith River3
Lande: Kanada, VSA3
Fossielrekords: 21 in The Paleobiology Database3
Ook bekend as: Eoceratops, Mojoceratops, Protorosaurus (ouer name tel nou as dieselfde dier)3
Ontdekking: 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
Steeds omstrede: Scientists still debate whether some fossils belong to Chasmosaurus or to a separate genus called Mojoceratops.1 3

Waar die feite vandaan kom

Chasmosaurus (en.wikipedia.org)
Chasmosaurus | Natural History Museum (nhm.ac.uk)
Chasmosaurus in The Paleobiology Database (CC BY 4.0): ouderdom, plekke, rotsformasies, klassifikasie.

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