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Haolong

Dzina limatanthauza: “spiny dragon”1

Ankadya: ZomeraOdya zomera a milomoKumayambiriro kwa Kretase

Haolong was a plant-eating dinosaur that walked on two legs and had a long tail. It had special spikes on its skin that looked a bit like porcupine quills, which might have scared away hungry predators.1 2

Ankakhala

zaka 126 mpaka 121 miliyoni zapitazo4

Kumayambiriro kwa Kretase

Mafosili apezeka ku

Yixian Formation, Liaoning Province, China1 2

Utali

2.45 m (8 ft)1

Liwiro lalikulu kwambiri

pafupifupi 41 km/h (25 mph)

Kuthamanga, kuyerekeza

Ankakhala liti?

Triasiki

Jurasiki

Kretase

Zaka 252 miliyoni zapitazo20114566, asteroidi

Anali wamkulu bwanji?

Anali wautali bwanji?

wautali ngati amphaka a pakhomo 5 otsatizana mphuno ndi mchirawautali ngati nthochi 14 zotsatizanaakanatha kuthamanga mamita 100 m'masekondi 8.8 (munthu waliwiro kwambiri amafunika 9.6)

Haolong 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)

Haolong pafupifupi 41 km/h (25 mph)

Hatchi ikuthamanga pafupifupi 65 km/h (40 mph)

Kakwiyo pafupifupi 100 km/h (62 mph)

zinthu zosangalatsa

Mfundo zosangalatsa

Haolong's skin had large overlapping scales on its tail and smaller bumpy scales around its neck and chest.2

The spikes on Haolong were hollow and made of keratin, the same stuff as your fingernails.2

Scientists could see the preserved nuclei of skin cells in Haolong's spikes under a microscope.2

Haolong's spikes were different from the feathers of meat-eating dinosaurs and the spines of modern lizards.1 2

The only known Haolong skeleton is nearly complete and still connected together, which is very rare.1 2

Haolong lived about 125 million years ago during the Early Cretaceous period.4 1

The spikes might have helped Haolong stay cool or feel its surroundings, not just defend itself.1 2

Chithunzi cha Haolong chopangidwa ndi AI — Chithunzi cha momwe Haolong 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 Haolong

?How big was Haolong?

About 2.45 metres (8 feet) long. That is about the size of a small motorcycle.1

?Did Haolong have feathers?

No. Its skin had scales and hollow spikes made of keratin, not feathers.1 2

?What did Haolong eat?

It was a plant-eater, so it ate leaves and other plants.3

?When did Haolong live?

About 125 million years ago, during the Early Cretaceous period.1

?Where was Haolong found?

In Liaoning Province, northeastern China, in the Yixian Formation.1

?Why did Haolong have spikes?

Mostly to scare away predators, like a porcupine. They might also have helped with cooling or sensing touch.1 2

Wothetsa nthano zabodza

Nthano: Haolong was a spiky dinosaur like a Stegosaurus.

Zoona: Haolong's spikes were made of keratin and were hollow, not bony plates. They were more like porcupine quills than the plates of Stegosaurus.1 2

Kwa akatswiri a madino

Dzina la sayansi: Haolong
Anapatsidwa dzina ndi: Huang et al. 20264
Gulu: Odya zomera a milomo
Banja / kladi: Hadrosauroidea4
Magawidwe a sayansi: Ornithischia > Ornithopoda > Iguanodontia4
Zaka za miyala: zaka 126 mpaka 121 miliyoni (Barremian)4
Mapangidwe a miyala: Yixian4
Mayiko: China4
Zolemba za mafosili: 1 mu The Paleobiology Database4
Kupezeka: Haolong was named in 2026 by a team of scientists led by J. Huang. The name honors the famous Chinese paleontologist Dong Zhiming.1 4
Akukambiranabe: Scientists are not sure if adult Haolong also had spikes, because the only known fossil is a juvenile.1

Kumene mfundo zimachokera

Haolong (en.wikipedia.org)
Cellular-level preservation of cutaneous spikes in an Early Cretaceous iguanodontian dinosaur | Nature Ecology & Evolution (nature.com)
A dinosaur with spikes exhibiting unprecedented properties discovered in China | CNRS (cnrs.fr)
Haolong in The Paleobiology Database (CC BY 4.0): zaka, malo, mapangidwe a miyala, magawidwe a sayansi.

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