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Umfanekiso wekhathuni: Xiaotingia
Ikhadi ledayinaso No. 1939 kwe-2 027

Xiaotingia

Igama lithetha: “named in honour of Zheng Xiaoting, who helped build the Shandong Tianyu Museum of Nature”1
Yayitya: InyamaIiraptaiJurassic ephakathi ukuya ku-iJurassic yamva

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

Yaphila
168 ukuya ku-152 izigidi zeminyaka eyadlulayo5
iJurassic ephakathi ukuya ku-iJurassic yamva
Iifosili zifunyenwe:
Linglongta, Jianchang, western Liaoning, China1
Ubude
0.6 m (2 ft)4
Ubunzima
0.82 kg (2 lb)14
Ukuphakama
0.25 m (0.8 ft)
uqikelelo
Esona santya siphezulu
malunga ne-19 km/h (12 mph)
Ukubaleka, uqikelelo

Yaphila nini?

iTriassic
iJurassic
iCretaceous
Izigidi ezingama-252 zeminyaka eyadlulayo20114566, i-asteroyidi

Yayinkulu kangakanani?

Yayinde kangakanani?

Xiaotingia malunga ne-0.6 m ubude (2 ft)Ikati yasekhaya malunga ne-0.5 m (1.6 ft)Inja malunga ne-1 m (3.3 ft)Ibhayisikile yomntu omdala malunga ne-1.8 m (5.9 ft)

Yayiphakame kangakanani?

Xiaotingiamalunga ne-0.25 m ukuphakama (0.8 ft)Ikati yasekhayamalunga ne-0.3 m (1 ft)Injamalunga ne-0.5 m (1.6 ft)Ihashemalunga ne-1.6 m (5.2 ft)

uqikelelo

Yayinzima kangakanani?

inzima njengeebhanana ezingama-7
inde njengeebhanana ezingama-3 zilandelelanailula kunekati yasekhayainzima njengeebhanana ezingama-7incinci ngokwaneleyo ukuba ihambe phantsi kwesituloibinokubaleka iimitha ezili-100 ngemizuzwana engama-19 (oyena mntu ukhawulezayo udinga i-9,6)

Xiaotingia wayemkhulu kangakanani xa ethelekiswa NAWE?

Yimathematika nje kwibhrawuza yakho. Akukho nto igcinwayo okanye ithunyelwe naphi na.

Yayikhawuleza kangakanani?

izinto ezimnandi

Iinyani ezimnandi

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

Yenziwe yi-AIUmfanekiso owenziwe yi-AI: Xiaotingia
Umfanekiso owenziwe yi-AI obonisa indlela Xiaotingia esenokuba wayekhangeleka ngayo, wenziwe yikhompyutha ngokwento eyaziwa zizazinzulu. Kukuqikelela nje: esona silwanyana sinokuba sasikhangeleka ngenye indlela, kwaye akukho mntu waziyo imibala yaso yokwenyani.

Inyaniso ngeentsomi

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

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

Kwiingcali zeedayinaso

Igama lenzululwazi
Xiaotingia
Inikwe igama ngu:
Xu et al. 20115
Iqela
Iirapta
Usapho / iclade
Troodontidae5
Ukuhlelwa
Theropoda > Troodontidae5
Ubudala bamatye
168 ukuya ku-152 izigidi zeminyaka (Bathonian / Kimmeridgian)5
Izakhiwo zamatye
Tiaojishan5
Amazwe
iTshayina5
Iirekhodi zeefosili
1 kwi-Paleobiology Database5
Ukufunyanwa
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
Kusaxoxwa ngayo
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

Apho iinyani zivela khona

  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): ubudala, iindawo, izakhiwo zamatye, ukuhlelwa.

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