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Haolong

Zita rinoreva: “spiny dragon”1

Raidya: MiriwoVanodya miriwo vane miromoCretaceous Yekutanga

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

Raivapo

makore mamiriyoni 126 kusvika 121 apfuura4

Cretaceous Yekutanga

Mafosiri akawanikwa:

Yixian Formation, Liaoning Province, China1 2

Kureba

2.45 m (8 ft)1

Kumhanya kwepamusoro

kunenge 41 km/h (25 mph)

Kumhanya, fungidziro

Rairarama rini?

Triassic

Jurassic

Cretaceous

makore mamiriyoni 252 apfuura20114566, dombo guru rakabva mudenga

Raiva hombe sei?

Raiva refu zvakadii?

kureba sekatsi dzemumba 5 kubva pamhino kusvika kumuswekureba semabhanana 14 akatevedzanaraigona kumhanya mamita 100 mumasekonzi 8.8 (munhu anomhanya kupfuura vose anoda 9.6)

Haolong raiva hombe sei kana richienzaniswa NEWE?

Masvomhu chete mubrowser yako. Hapana chinochengetwa kana kutumirwa kupi zvako.

Raimhanya zvakadii?

Munhu achifamba kunenge 5 km/h (3 mph)

Mwana ari pabhasikoro kunenge 12 km/h (7 mph)

Haolong kunenge 41 km/h (25 mph)

Bhiza richimhanya kunenge 65 km/h (40 mph)

Dindingwe kunenge 100 km/h (62 mph)

zvinhu zvinonakidza

Zvinonakidza

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

Mufananidzo wakagadzirwa neAI: Haolong — Mufananidzo wakagadzirwa neAI unoratidza kuti Haolong ringangodai raitaridzika sei, wakagadzirwa nekombiyuta kubva pane zvinozivikanwa nemasayendisiti. Ifungidziro chete: mhuka chaiyo ingangodai yaitaridzika zvakasiyana, uye hapana anoziva mavara ayo chaiwo.

wakabvunza

Mibvunzo inonyanya kubvunzwa nezve 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

Mubvisi wengano

Ngano: Haolong was a spiky dinosaur like a Stegosaurus.

Chokwadi: 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

Zvevanyanzvi vemadhino

Zita resainzi: Haolong
Akaripa zita:: Huang et al. 20264
Boka: Vanodya miriwo vane miromo
Mhuri / boka: Hadrosauroidea4
Kurongwa kwemhuka: Ornithischia > Ornithopoda > Iguanodontia4
Zera rematombo: makore mamiriyoni 126 kusvika 121 (Barremian)4
Mapoka ematombo: Yixian4
Nyika: China4
Zvinyorwa zvemafosiri: 1 mu The Paleobiology Database4
Kuwanikwa: 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
Zvichiri kupokanwa: Scientists are not sure if adult Haolong also had spikes, because the only known fossil is a juvenile.1

Kunobva chokwadi

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): zera, nzvimbo, mapoka ematombo, kurongwa kwemhuka.

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