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Yamatosaurus

Hiika maqaa: “Yamato reptile”1

Kan nyaate: BiqiltootaAfaan-daakiyyeeKireetaashasii Dhumaa

Yamatosaurus was a duck-billed dinosaur that lived in Japan near the end of the age of dinosaurs. It had a special jaw with only one tooth at a time in each spot, which is different from most other duck-billed dinosaurs. This plant-eater probably lived in coastal areas.2 1

Kan jiraate

waggaa miliyoona 72 hanga 66 dura5

Kireetaashasii Dhumaa

Fosiliiwwan kan itti argaman

Awaji Island, Hyogo Prefecture, Japan2 1

Dheerina

10 m (33 ft)3

Ulfaatina

1.7 toonii (3,700 lb)4

Ol-dheerina

1 m (3.3 ft)3

Saffisa ol'aanaa

gara 28 km/sa'a (17 mph)

Fiiguu, tilmaama

Yoom jiraate?

Tiraayaasikii

Juraasikii

Kireetaashasii

waggaa miliyoona 252 dura20114566, asteerooyidii

Hammam guddaa ture?

Hammam dheeraa ture?

Hammam ol-dheeraa ture?

Hammam ulfaataa ture?

akka konkolaataa 1 ulfaata

akka konkolaataa 2 tarreen dhaabatan dheeraaakka muuzii 56 walitti hiriiran dheeraaakka saree 85 ulfaataakka habxuu 340 ulfaataakka ijoollee KG 89 ulfaataakka ijoollee mana barumsaa 53 ulfaataakka beeraa adii 4 ulfaatameetira 100 sekondii 13 keessatti fiiguu danda'a (namni hunda caalaa saffisaan 9.6 barbaada)

SI wajjin yoo wal bira qabamu, Yamatosaurus 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)

Yamatosaurus gara 28 km/sa'a (17 mph)

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

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

wantoota bareedoo

Odeeffannoowwan bashannansiisoo

Yamatosaurus had only one tooth in each tooth socket at a time, which is very unusual for a duck-billed dinosaur.2

It lived about 72 to 66 million years ago during the Maastrichtian stage of the Late Cretaceous.3

The fossils were found in marine rocks, meaning the dinosaur's body was washed into the sea after it died.2

Yamatosaurus is one of the oldest known hadrosaurids, or duck-billed dinosaurs, from Japan.2

Its shoulder bone, the coracoid, lacks a bump called the biceps tubercle, which is a primitive feature.2

The name Yamatosaurus comes from Yamato, an ancient name for Japan.1

Fakkii AI'n hojjetame: Yamatosaurus — Fakkii AI'n hojjetame kan Yamatosaurus 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.

ati gaafatte

Gaaffiiwwan waa'ee Yamatosaurus baay'ee gaafataman

?How big was Yamatosaurus?

Scientists do not know its exact size because only a partial skeleton has been found, including parts of the jaw, neck bones, and shoulder bone.1 2

?What did Yamatosaurus eat?

It was a plant-eater, like other duck-billed dinosaurs. Its teeth were adapted for chewing plants.1

?When did Yamatosaurus live?

It lived about 71.94 to 71.69 million years ago, during the early Maastrichtian stage of the Late Cretaceous.1 2

?Where was Yamatosaurus found?

Its fossils were discovered on Awaji Island in Japan, in rocks that were once at the bottom of the sea.1 2

Ogeeyyii daayinootiif

Maqaa saayinsii: Yamatosaurus
Kan maqaa baase: Kobayashi et al. 20215
Garee: Afaan-daakiyyee
Maatii / kilaadii: Hadrosauridae5
Ramaddii: Ornithischia > Ornithopoda > Iguanodontia > Hadrosauridae5
Umurii dhagaawwanii: waggaa miliyoona 72 hanga 66 (Maastrichtian)5
Caasaawwan dhagaa: Kita-ama5
Biyyoota: Jaappaan5
Galmee fosilii: 1 The Paleobiology Database keessa5
Argannoo: An amateur fossil collector named Shingo Kishimoto discovered the partial skeleton in May 2004 on Awaji Island, Japan. Scientists Yoshitsugu Kobayashi and colleagues named it Yamatosaurus izanagii in 2021.1 2
Ammallee falmisiisaa: Scientists are not sure exactly how Yamatosaurus is related to other duck-billed dinosaurs, but they think it is a very early member of the group.2

Odeeffannoon eessaa dhufa

Yamatosaurus (en.wikipedia.org)
nature.com (nature.com)
PBDB Taxon (paleobiodb.org)
Yamatosaurus izanagii | Dinosaur Database by DinoAnimals.com (dinoanimals.com)
Yamatosaurus in The Paleobiology Database (CC BY 4.0): umurii, bakkeewwan, caasaawwan dhagaa, ramaddii.

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