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Umfanekiso wekhathuni: Probactrosaurus
Ikhadi ledayinaso No. 1471 kwe-2 027

Probactrosaurus

Igama lithetha: “before Bactrosaurus”1
Yayitya: IzityaloIzitya-zityalo ezinemilomoiCretaceous yokuqala

Probactrosaurus was a plant-eating dinosaur that lived in China during the Early Cretaceous period. It had a narrow snout and long arms, and it could walk on two or four legs. Scientists think it was an early relative of the duck-billed dinosaurs.2

Yaphila
121 ukuya ku-100 izigidi zeminyaka eyadlulayo4
iCretaceous yokuqala
Iifosili zifunyenwe:
Inner Mongolia, China23
Ubude
5.5 ukuya ku-6 m (18 ukuya ku-20 ft)21
Ubunzima
1 iitoni (2,200 lb)2
Ukuphakama
1.8 m (5.9 ft)
uqikelelo
Esona santya siphezulu
malunga ne-33 km/h (21 mph)
Ukubaleka, uqikelelo

Yaphila nini?

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

Yayinkulu kangakanani?

Yayinde kangakanani?

Probactrosaurus malunga ne-6 m ubude (20 ft)Ibhayisikile yomntu omdala malunga ne-1.8 m (5.9 ft)Imoto malunga ne-4.5 m (15 ft)Indlovu, esona silwanyana sikhulu emhlabeni namhlanje malunga ne-6.5 m (21 ft)

Yayiphakame kangakanani?

Injamalunga ne-0.5 m (1.6 ft)Ihashemalunga ne-1.6 m (5.2 ft)Probactrosaurusmalunga ne-1.8 m ukuphakama (5.9 ft)Indlovumalunga ne-3.2 m (10 ft)

uqikelelo

Yayinzima kangakanani?

inzima njengezinja ezingama-50
inde njengezinja ezingama-6, impumlo ukuya emsileniinde njengeebhanana ezingama-33 zilandelelanainzima njengamavatala angama-200inzima njengabantwana basenkulisa abangama-53inzima njengabantwana besikolo abangama-31inzima njengeebhere ezimhlophe ezingama-2ibinokubaleka iimitha ezili-100 ngemizuzwana engama-11 (oyena mntu ukhawulezayo udinga i-9,6)

Probactrosaurus wayemkhulu kangakanani xa ethelekiswa NAWE?

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

Yayikhawuleza kangakanani?

izinto ezimnandi

Iinyani ezimnandi

1

Probactrosaurus means 'before Bactrosaurus' because the scientist who named it thought it was the ancestor of Bactrosaurus. That idea is no longer accepted.2

2

It had a small thumb spike, unlike later duck-billed dinosaurs which lost their thumb spikes.2

3

Probactrosaurus lived about 121 to 99 million years ago, during the Early Cretaceous.13

4

Its fossils were found in the Miaogou Formation in Inner Mongolia, China.23

5

Probactrosaurus had a double row of cheek teeth, with a third row of replacement teeth starting to grow. This helped it grind up plants.2

6

The first fossils were discovered by a Soviet-Chinese expedition in 1959 and 1960.2

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

Kwiingcali zeedayinaso

Igama lenzululwazi
Probactrosaurus
Inikwe igama ngu:
Rozhdestvensky 19664
Iqela
Izitya-zityalo ezinemilomo
Usapho / iclade
Hadrosauroidea4
Ukuhlelwa
Ornithischia > Ornithopoda > Iguanodontia4
Ubudala bamatye
121 ukuya ku-100 izigidi zeminyaka (Aptian / Albian)4
Izakhiwo zamatye
Miaogou4
Amazwe
iTshayina4
Iirekhodi zeefosili
2 kwi-Paleobiology Database4
Ukufunyanwa
Probactrosaurus was named by Soviet paleontologist A. K. Rozhdestvensky in 1966. The fossils were found in Inner Mongolia, China, during a Soviet-Chinese expedition in 1959 and 1960.21
Kusaxoxwa ngayo
Scientists are still debating exactly where Probactrosaurus sits on the dinosaur family tree. Some think it is a very early hadrosauroid, while others place it closer to the duck-billed dinosaurs.2

Apho iinyani zivela khona

  1. Probactrosaurus | Natural History Museum (nhm.ac.uk)
  2. Probactrosaurus (en.wikipedia.org)
  3. PBDB Taxon (paleobiodb.org)
  4. Probactrosaurus in The Paleobiology Database (CC BY 4.0): ubudala, iindawo, izakhiwo zamatye, ukuhlelwa.

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