Kartu dino No. 1959 ci 2 027

Yamatosaurus

Tur bi mooy: “Yamato reptile”1

Lekkoon: GàncaxGémmiñu kanaarKretase bu mujj

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

Dundoon

am na 72 ba 66 milyoŋ at5

Kretase bu mujj

Fosil yu ñu gis ci

Awaji Island, Hyogo Prefecture, Japan2 1

Guddaay

10 m (33 ft)3

Diisaay

1,7 toon (3 700 lb)4

Kawewaay

1 m (3,3 ft)3

Gaawaay bi gën a kawe

lu tollu ci 28 km/h (17 mph)

Daw, jortu

Kañ la dundoon?

Triyaas

Jurasik

Kretase

Am na 252 milyoŋ at20114566, asteroyid bi

Naka la réyoon?

Naka la guddoon?

Naka la kawewoon?

Naka la diisoon?

diis ni 1 oto

gudd ni 2 oto yu ñu taxawal ci benn rëddgudd ni 56 banaana yu ñu topp-toppalediis ni 85 xajdiis ni 340 xaaldiis ni 89 xale yu materneldiis ni 53 xale yu lekkooldiis ni 4 uurs yu weexmënoon na daw 100 meetar ci 13 segond (nit ki gën a gaaw dafay soxla 9,6)

Naka la Yamatosaurus réyoon, bu ñu ko méngalee ak YAW?

Ay kalkil rekk ci sa navigatëer. Dara du ñu denc, dara du ñu yónne fenn.

Naka la gaawoon?

Nit kuy dox lu tollu ci 5 km/h (3 mph)

Xale bu nekk ci welo lu tollu ci 12 km/h (7 mph)

Yamatosaurus lu tollu ci 28 km/h (17 mph)

Fas buy daw bu gaaw lu tollu ci 65 km/h (40 mph)

Segg bu gaaw lu tollu ci 100 km/h (62 mph)

yëf yu neex

Xibaar yu neex

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

Nataalu Yamatosaurus bu ñu def ak IA — Nataal bu IA def la, muy wone ni Yamatosaurus mën a meloon, ordinatëer moo ko def ci li boroom xam-xam yi xam. Jortu kese la: rab bi ci dëgg mën na meloon neneen, te kenn xamul ay kulëëram yu dëgg.

yeen a laaj

Laaj yi ñu gën a laaj ci Yamatosaurus

?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

Ngir ñi xam dino lool

Turu xam-xam: Yamatosaurus
Ku ko tudde: Kobayashi et al. 20215
Kurél: Gémmiñu kanaar
Njaboot / klad: Hadrosauridae5
Klasifikasiyoŋ: Ornithischia > Ornithopoda > Iguanodontia > Hadrosauridae5
Màggaayu doj yi: 72 ba 66 milyoŋ at (Maastrichtian)5
Formasiyoŋi doj: Kita-ama5
Réew yi: Sapoŋ5
Fosil yu ñu gis: 1 ci The Paleobiology Database5
Gisees: 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
Ñu ngi koy werante ba tey: 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

Fa xibaar yi jóge

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): at, béréb yi, formasiyoŋi doj, klasifikasiyoŋ.

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