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Chasmosaurus

Dzina limatanthauza: “opening lizard, referring to the large openings in its frill”1

Ankadya: ZomeraMadino a nyangaKumapeto kwa Kretase

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

Ankakhala

zaka 84 mpaka 72 miliyoni zapitazo3

Kumapeto kwa Kretase

Mafosili apezeka ku

Alberta, Canada and Montana, USA1 3

Utali

4.3 mpaka 4.8 m (14 mpaka 16 ft)1

Kulemera

matani 1.5 mpaka matani 2 (3,300 mpaka 4,400 lb)1

Msinkhu

1.6 m (5.2 ft)

kuyerekeza

Liwiro lalikulu kwambiri

pafupifupi 35 km/h (22 mph)

Kuthamanga, kuyerekeza

Ankakhala liti?

Triasiki

Jurasiki

Kretase

Zaka 252 miliyoni zapitazo20114566, asteroidi

Anali wamkulu bwanji?

Anali wautali bwanji?

Msinkhu wake unali wautali bwanji?

kuyerekeza

Ankalemera bwanji?

wolemera ngati magalimoto 1.5

wautali ngati agalu 5 otsatizana mphuno ndi mchirawautali ngati nthochi 27 zotsatizanawolemera ngati agalu 100wolemera ngati mavwende 400wolemera ngati makalasi athunthu a ana a sukulu 2.5wolemera ngati zimbalangondo zoyera 4akanatha kuthamanga mamita 100 m'masekondi 10 (munthu waliwiro kwambiri amafunika 9.6)

Chasmosaurus anali wamkulu bwanji poyerekeza ndi IWEYO?

Ndi masamu chabe mu msakatuli wako. Palibe chimene chimasungidwa kapena kutumizidwa kwina kulikonse.

Anali ndi liwiro lotani?

Munthu akuyenda pafupifupi 5 km/h (3 mph)

Mwana pa njinga pafupifupi 12 km/h (7 mph)

Chasmosaurus pafupifupi 35 km/h (22 mph)

Hatchi ikuthamanga pafupifupi 65 km/h (40 mph)

Kakwiyo pafupifupi 100 km/h (62 mph)

zinthu zosangalatsa

Mfundo zosangalatsa

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

Chithunzi cha Chasmosaurus chopangidwa ndi AI — Chithunzi cha momwe Chasmosaurus mwina ankaonekera, chopangidwa ndi kompyuta kuchokera pa zomwe asayansi amadziwa. Ndi kungoyerekeza: nyama yeniyeniyo mwina inkaoneka mosiyana, ndipo palibe amene akudziwa mitundu yake yeniyeni.

mwafunsa

Mafunso ofunsidwa kwambiri okhudza 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

Wothetsa nthano zabodza

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

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

Kwa akatswiri a madino

Dzina la sayansi: Chasmosaurus
Anapatsidwa dzina ndi: Lambe 19143
Gulu: Madino a nyanga
Banja / kladi: Ceratopsidae3
Magawidwe a sayansi: Ornithischia > Ceratopsia > Ceratopsidae3
Zaka za miyala: zaka 84 mpaka 72 miliyoni (Campanian)3
Mapangidwe a miyala: Dinosaur Park, Oldman, Judith River3
Mayiko: Kanada, Amereka3
Zolemba za mafosili: 21 mu The Paleobiology Database3
Amadziwikanso kuti: Eoceratops, Mojoceratops, Protorosaurus (mayina akale tsopano amawerengedwa ngati nyama yomweyi)3
Kupezeka: 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
Akukambiranabe: Scientists still debate whether some fossils belong to Chasmosaurus or to a separate genus called Mojoceratops.1 3

Kumene mfundo zimachokera

Chasmosaurus (en.wikipedia.org)
Chasmosaurus | Natural History Museum (nhm.ac.uk)
Chasmosaurus in The Paleobiology Database (CC BY 4.0): zaka, malo, mapangidwe a miyala, magawidwe a sayansi.

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