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Kaadi ya dayinoso No. 1471 ku 2 027

Probactrosaurus

Erinnya litegeeza: “before Bactrosaurus”1

Yalyanga: EbimeraEzirya ebimera ez'omumwa ng'ogw'ekinyonyiEntandikwa ya Kuretasi

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

Yabeerawo

emyaka obukadde 121 okutuuka ku 100 emabega4

Entandikwa ya Kuretasi

Ebisigalira byazuulibwa mu

Inner Mongolia, China2 3

Obuwanvu

5.5 okutuuka ku 6 m (18 okutuuka ku 20 ft)2 1

Obuzito

ttani 1 (2,200 lb)2

Obugulumivu

1.8 m (5.9 ft)

kuteebereza

Sipiidi esinga

nga 33 km/h (21 mph)

Okudduka, kuteebereza

Yabeerawo ddi?

Tiriyasi

Jurasiki

Kuretasi

Emyaka obukadde 252 emabega20114566, asteroyidi

Yali munene atya?

Yali muwanvu kwenkana wa?

Yali mugulumivu kwenkana wa?

kuteebereza

Yali muzito kwenkana wa?

obuzito ng'obw'embwa 50

obuwanvu ng'embwa 6, ennyindo ku mukiraobuwanvu ng'amenvu 33 nga gaddiriŋŋanaobuzito ng'obwa wotamerooni 200obuzito ng'obw'abaana 53 ab'omu nnasaleobuzito ng'obw'abaana b'essomero 31obuzito ng'obwa ddubu enjeru 2yandidduse mita 100 mu sikonda 11 (omuntu asinga embiro yeetaaga 9.6)

Probactrosaurus yali munene atya bw'ogeraageranya ku GGWE?

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Yali wa mbiro kwenkana wa?

Omuntu atambula nga 5 km/h (3 mph)

Omwana ku kagaali nga 12 km/h (7 mph)

Probactrosaurus nga 33 km/h (21 mph)

Embalaasi edduka ennyo nga 65 km/h (40 mph)

Cheetah nga 100 km/h (62 mph)

ebintu ebinyuvu

Ebyewuunyisa

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

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

Probactrosaurus lived about 121 to 99 million years ago, during the Early Cretaceous.1 3

Its fossils were found in the Miaogou Formation in Inner Mongolia, China.2 3

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

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

Ekifaananyi kya Probactrosaurus ekyakolebwa AI, nga kiraga engeri gye yayinza okuba ng'afaanana, ekyakolebwa kompyuta okusinziira ku ebyo bannassaayansi bye bamanyi. Kuteebereza: ekisolo ekyennyini kiyinza okuba nga kyali kifaanana bulala, era tewali amanyi langi zaakyo ez'amazima.

Eri abakugu mu dayinoso

Erinnya lya ssaayansi: Probactrosaurus
Yatuumibwa: Rozhdestvensky 19664
Ekibinja: Ezirya ebimera ez'omumwa ng'ogw'ekinyonyi
Ekika / ekibinja: Hadrosauroidea4
Engabanya: Ornithischia > Ornithopoda > Iguanodontia4
Emyaka gy'enjazi: emyaka obukadde 121 okutuuka ku 100 (Aptian / Albian)4
Ensengeka z'enjazi: Miaogou4
Ensi: Cayina4
Ebisigalira ebyazuulibwa: 2 mu The Paleobiology Database4
Okuzuulibwa: 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 1960.2 1
Kikyakubaganyizibwako ebirowoozo: 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

Ebituufu gye biva

Probactrosaurus | Natural History Museum (nhm.ac.uk)
Probactrosaurus (en.wikipedia.org)
PBDB Taxon (paleobiodb.org)
Probactrosaurus in The Paleobiology Database (CC BY 4.0): emyaka, ebifo, ensengeka z'enjazi, engabanya.

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