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Chithunzi choseketsa cha Xiaotingia
Khadi la dino Na. 1939 mwa 2 027

Xiaotingia

Dzina limatanthauza: “named in honour of Zheng Xiaoting, who helped build the Shandong Tianyu Museum of Nature”1
Ankadya: NyamaMaraputalaPakati pa Jurasiki mpaka Kumapeto kwa Jurasiki

Xiaotingia was a small, feathered dinosaur that lived about 160 million years ago. It looked a lot like Archaeopteryx, the famous 'first bird', and scientists are still arguing about whether it was a bird or a raptor.23

Ankakhala
zaka 168 mpaka 152 miliyoni zapitazo5
Pakati pa Jurasiki mpaka Kumapeto kwa Jurasiki
Mafosili apezeka ku
Linglongta, Jianchang, western Liaoning, China1
Utali
0.6 m (2 ft)4
Kulemera
0.82 kg (2 lb)14
Msinkhu
0.25 m (0.8 ft)
kuyerekeza
Liwiro lalikulu kwambiri
pafupifupi 19 km/h (12 mph)
Kuthamanga, kuyerekeza

Ankakhala liti?

Triasiki
Jurasiki
Kretase
Zaka 252 miliyoni zapitazo20114566, asteroidi

Anali wamkulu bwanji?

Anali wautali bwanji?

Xiaotingia utali wa pafupifupi 0.6 m (2 ft)Mphaka wa pakhomo pafupifupi 0.5 m (1.6 ft)Galu pafupifupi 1 m (3.3 ft)Njinga ya munthu wamkulu pafupifupi 1.8 m (5.9 ft)

Msinkhu wake unali wautali bwanji?

Xiaotingiamsinkhu wa pafupifupi 0.25 m (0.8 ft)Mphaka wa pakhomopafupifupi 0.3 m (1 ft)Galupafupifupi 0.5 m (1.6 ft)Hatchipafupifupi 1.6 m (5.2 ft)

kuyerekeza

Ankalemera bwanji?

wolemera ngati nthochi 7
wautali ngati nthochi 3 zotsatizanawopepuka kuposa mphaka wa pakhomowolemera ngati nthochi 7wamng'ono moti angayende pansi pa mpandoakanatha kuthamanga mamita 100 m'masekondi 19 (munthu waliwiro kwambiri amafunika 9.6)

Xiaotingia anali wamkulu bwanji poyerekeza ndi IWEYO?

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

Anali ndi liwiro lotani?

zinthu zosangalatsa

Mfundo zosangalatsa

1

Xiaotingia had long, strong arms and hands, which scientists used to think were special bird features, but they are actually found in a bigger group called Paraves.2

2

When Xiaotingia was added to the family tree, it made Archaeopteryx move from being a bird to being a raptor, which surprised many scientists.2

3

Xiaotingia had a large hole in its lower jaw, called a surangular foramen, that was more than 6% of the total jaw length.1

4

Its fourth finger bone (metacarpal IV) was thicker than the second and third, which is unusual.1

5

Xiaotingia shared some features with troodontids, like closely packed teeth in the front of the jaw and long, slender tail bones.1

6

The only known fossil was bought from a fossil dealer, so scientists are not 100% sure exactly which rock layer it came from.1

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

Wothetsa nthano zabodza

Nthano: Xiaotingia is a bird because it looks like Archaeopteryx.

Zoona: Scientists disagree. Some think Xiaotingia is a raptor (a deinonychosaur), not a bird, because it shares many features with raptors.2

Kwa akatswiri a madino

Dzina la sayansi
Xiaotingia
Anapatsidwa dzina ndi
Xu et al. 20115
Gulu
Maraputala
Banja / kladi
Troodontidae5
Magawidwe a sayansi
Theropoda > Troodontidae5
Zaka za miyala
zaka 168 mpaka 152 miliyoni (Bathonian / Kimmeridgian)5
Mapangidwe a miyala
Tiaojishan5
Mayiko
China5
Zolemba za mafosili
1 mu The Paleobiology Database5
Kupezeka
Xiaotingia was named in 2011 by Xu Xing and colleagues. The only skeleton was bought by the Shandong Tianyu Museum of Nature from a fossil dealer who said it came from Liaoning, China.1
Akukambiranabe
Scientists still debate whether Xiaotingia was a bird or a raptor, and even the exact age of the fossil is uncertain because the dealer could not say which quarry it came from.21

Kumene mfundo zimachokera

  1. ivpp.cas.cn (ivpp.cas.cn)
  2. An Archaeopteryx-like theropod from China and the origin of Avialae | Nature (nature.com)
  3. PBDB Taxon (paleobiodb.org)
  4. Xiaotingia (en.wikipedia.org)
  5. Xiaotingia in The Paleobiology Database (CC BY 4.0): zaka, malo, mapangidwe a miyala, magawidwe a sayansi.

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Ena a gulu lomweli: Maraputala

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Enanso a nthawi yomweyo: Kumapeto kwa Jurasiki

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