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Probactrosaurus

Hiika maqaa: “before Bactrosaurus”1

Kan nyaate: BiqiltootaBiqiltuu-nyaattota afaan simbirroo qabanKireetaashasii Jalqabaa

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

Kan jiraate

waggaa miliyoona 121 hanga 100 dura4

Kireetaashasii Jalqabaa

Fosiliiwwan kan itti argaman

Inner Mongolia, China2 3

Dheerina

5.5 hanga 6 m (18 hanga 20 ft)2 1

Ulfaatina

1 toonii (2,200 lb)2

Ol-dheerina

1.8 m (5.9 ft)

tilmaama

Saffisa ol'aanaa

gara 33 km/sa'a (21 mph)

Fiiguu, tilmaama

Yoom jiraate?

Tiraayaasikii

Juraasikii

Kireetaashasii

waggaa miliyoona 252 dura20114566, asteerooyidii

Hammam guddaa ture?

Hammam dheeraa ture?

Hammam ol-dheeraa ture?

tilmaama

Hammam ulfaataa ture?

akka saree 50 ulfaata

akka saree 6 funyaan hanga eegeetti dheeraaakka muuzii 33 walitti hiriiran dheeraaakka habxuu 200 ulfaataakka ijoollee KG 53 ulfaataakka ijoollee mana barumsaa 31 ulfaataakka beeraa adii 2 ulfaatameetira 100 sekondii 11 keessatti fiiguu danda'a (namni hunda caalaa saffisaan 9.6 barbaada)

SI wajjin yoo wal bira qabamu, Probactrosaurus hammam guddaa ture?

Herrega qofa barbaadduu kee keessatti. Wanti tokkollee hin olkaa'amu, eessayyuu hin ergamu.

Hammam saffisaa ture?

Nama miilaan deemu gara 5 km/sa'a (3 mph)

Daa'ima saayikilii irra jiru gara 12 km/sa'a (7 mph)

Probactrosaurus gara 33 km/sa'a (21 mph)

Farda gulufu gara 65 km/sa'a (40 mph)

Cheetaa gara 100 km/sa'a (62 mph)

wantoota bareedoo

Odeeffannoowwan bashannansiisoo

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

Fakkii AI'n hojjetame: Probactrosaurus — Fakkii AI'n hojjetame kan Probactrosaurus maal fakkaachuu akka danda'u agarsiisu, kompiitaraan beekumsa saayintistootaa irratti hundaa'uun hojjetame. Tilmaama qofa: bineensi dhugaa adda ta'ee mul'achuu danda'a, halluu isaa dhugaa immoo namni beeku hin jiru.

Ogeeyyii daayinootiif

Maqaa saayinsii: Probactrosaurus
Kan maqaa baase: Rozhdestvensky 19664
Garee: Biqiltuu-nyaattota afaan simbirroo qaban
Maatii / kilaadii: Hadrosauroidea4
Ramaddii: Ornithischia > Ornithopoda > Iguanodontia4
Umurii dhagaawwanii: waggaa miliyoona 121 hanga 100 (Aptian / Albian)4
Caasaawwan dhagaa: Miaogou4
Biyyoota: Chaayinaa4
Galmee fosilii: 2 The Paleobiology Database keessa4
Argannoo: 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
Ammallee falmisiisaa: 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

Odeeffannoon eessaa dhufa

Probactrosaurus | Natural History Museum (nhm.ac.uk)
Probactrosaurus (en.wikipedia.org)
PBDB Taxon (paleobiodb.org)
Probactrosaurus in The Paleobiology Database (CC BY 4.0): umurii, bakkeewwan, caasaawwan dhagaa, ramaddii.

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