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Katuni: Limusaurus
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Limusaurus

Raidya: MiriwoMadhino anodya nyamaJurassic Yekupedzisira

Limusaurus was a small, beaked dinosaur that lived in what is now China about 155 million years ago. Unlike most meat-eating dinosaurs, it ate plants! Its strange hand helped scientists solve a puzzle about how bird wings evolved.1

Raivapo
makore mamiriyoni 162 kusvika 155 apfuura7
Jurassic Yekupedzisira
Mafosiri akawanikwa:
Xinjiang, China, in the Shishugou Formation21
Kureba
1.7 kusvika 1.955 m (5.6 kusvika 6.4 ft)34
Huremu
15 kg (33 lb)3
Kukwirira
0.67 m (2.2 ft)
fungidziro
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?

Limusaurus kureba kunenge 1.955 m (6.4 ft)Imbwa kunenge 1 m (3.3 ft)Bhasikoro remunhu mukuru kunenge 1.8 m (5.9 ft)Motokari kunenge 4.5 m (15 ft)

Raiva rakakwirira zvakadii?

Katsi yemumbakunenge 0.3 m (1 ft)Imbwakunenge 0.5 m (1.6 ft)Limusauruskukwirira kunenge 0.67 m (2.2 ft)Bhizakunenge 1.6 m (5.2 ft)

fungidziro

Rairema zvakadii?

kurema sekatsi dzemumba 4
kureba sekatsi dzemumba 4 kubva pamhino kusvika kumuswekureba semabhanana 11 akatevedzanakurema semabhanana 120raigona kumhanya mamita 100 mumasekonzi 8.8 (munhu anomhanya kupfuura vose anoda 9.6)

Limusaurus raiva hombe sei kana richienzaniswa NEWE?

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

Raimhanya zvakadii?

zvinhu zvinonakidza

Zvinonakidza

1

Limusaurus was a ceratosaur, the first one ever found in Asia.1

2

It had a very small thumb, or first digit, while the other two fingers were normal. This is a rare condition in dinosaurs.1

3

Its hand showed a mix of features: the wrist bones were like the second, third and fourth digits, but the finger bones were like the first, second and third.1

4

Limusaurus lived during the Oxfordian stage, about 161 to 155 million years ago.2

5

It is the only Jurassic theropod known to have a beak and a plant-based diet.1

6

The discovery of Limusaurus helped scientists understand how the three-fingered hand of theropods could turn into the two-fingered hand of birds.1

Zvakagadzirwa neAIMufananidzo wakagadzirwa neAI: Limusaurus
Mufananidzo wakagadzirwa neAI unoratidza kuti Limusaurus 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 Limusaurus

?What did Limusaurus eat?

It ate plants. Adults had a beak and no teeth, and they also had gastroliths (stomach stones) to help grind up plant food. Juveniles had teeth, so they may have eaten a mix of plants and small animals.5

?How big was Limusaurus?

About 1.7 metres long and weighed around 15 kilograms. That is about as long as a small car is tall, but much lighter.5

?Did Limusaurus have feathers?

Nobody knows for sure. It may have had feathers, but no direct evidence of feathers has been found on its fossils.5

?Why is Limusaurus important?

Its strange hand helped scientists solve a puzzle about how bird wings evolved. It showed a mix of wrist and finger features that explain how the three-fingered hand of theropods turned into the bird wing.16

?Is Limusaurus a dinosaur?

Yes, it is a dinosaur. It is a theropod dinosaur, which is the same group that includes birds.5

?When did Limusaurus live?

It lived during the Late Jurassic period, about 161 to 155 million years ago.5

Mubvisi wengano

Ngano: Because it is a theropod, Limusaurus must have been a meat-eater.

Chokwadi: Limusaurus was actually a plant-eater, with a beak and no sharp teeth for hunting. It is one of the few herbivorous theropods known.1

Zvevanyanzvi vemadhino

Zita resainzi
Limusaurus
Akaripa zita:
Xu et al. 20097
Boka
Madhino anodya nyama
Mhuri / boka
Noasauridae7
Kurongwa kwemhuka
Theropoda > Ceratosauria7
Zera rematombo
makore mamiriyoni 162 kusvika 155 (Oxfordian)7
Mapoka ematombo
Shishugou7
Nyika
China7
Zvinyorwa zvemafosiri
3 mu The Paleobiology Database7
Kuwanikwa
Limusaurus was named and described in 2009 by a team led by paleontologist Xing Xu. Fossils were found in the Junggar Basin of western China.12
Zvichiri kupokanwa
Scientists still debate exactly which digits of the hand were lost during theropod evolution, and Limusaurus shows a confusing mix of features that makes this question tricky.1

Kunobva chokwadi

  1. A Jurassic ceratosaur from China helps clarify avian digital homologies | Nature (nature.com)
  2. PBDB Taxon (paleobiodb.org)
  3. Limusaurus (en.wikipedia.org)
  4. A Jurassic ceratosaurian theropod with implications for homologies in the avian hand (ivpp.cas.cn)
  5. Limusaurus (Wikipedia) (Wikipedia)
  6. Beaked, Bird-like Dinosaur Tells Story of Finger Evolution | NSF - National Science Foundation (nsf.gov)
  7. Limusaurus in The Paleobiology Database (CC BY 4.0): zera, nzvimbo, mapoka ematombo, kurongwa kwemhuka.

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