Koshisaurus

Izina risobanura: “Koshi lizard, after the old name for the region where it was found”1

Yaryaga: IbimeraIzirya ibimera zifite umunwa w'inyoniKiretase ya mbere

Koshisaurus was a plant-eating dinosaur that lived in what is now Japan. It walked on two legs and had a beak for snipping leaves. This dinosaur was one of the earliest relatives of the duck-billed hadrosaurs.2 1

Yabayeho

hashize imyaka miliyoni 121 kugeza 1135

Kiretase ya mbere

Ibisigazwa byabonetse muri

Fukui Prefecture, Japan2 1

Umuvuduko wo hejuru

nka 41 km/h (25 mph)

Kwiruka, igereranya

Yabayeho ryari?

Triyasike

Jurasike

Kiretase

Hashize miliyoni 252 z'imyaka20114566, asiteroyide

Yihutaga ite?

Umuntu ugenda n'amaguru nka 5 km/h (3 mph)

Umwana ku igare nka 12 km/h (7 mph)

Koshisaurus nka 41 km/h (25 mph)

Ifarashi yiruka cyane nka 65 km/h (40 mph)

Ingwe yihuta cyane nka 100 km/h (62 mph)

utuntu twiza cyane

Utuntu dushimishije

Koshisaurus lived about 121 to 113 million years ago during the Early Cretaceous.2

It was a basal hadrosauroid, meaning it was an early relative of the duck-billed dinosaurs.1

Koshisaurus had an antorbital fossa, a hole in front of its eye socket on the skull, which is a primitive feature.1

Its teeth had at least three subsidiary ridges on the outer side, helping it grind plants.1

Koshisaurus shared its home with other dinosaurs like Fukuisaurus, Fukuiraptor, and Fukuititan.1

Ishusho ya Koshisaurus yakozwe na AI — Ishusho yakozwe na AI yerekana uko Koshisaurus ishobora kuba yari isa, yakozwe na mudasobwa hashingiwe ku byo abahanga bazi. Ni ugukeka gusa: inyamaswa nyayo ishobora kuba yari isa ukundi, kandi nta muntu uzi amabara yayo nyayo.

wabajije

Ibibazo bibazwa cyane kuri Koshisaurus

?How big was Koshisaurus?

Scientists have not found enough bones to know its full size, but it was likely smaller than later duck-billed dinosaurs. Only a partial skeleton is known.1 3

?What did Koshisaurus eat?

It ate plants, using its beak to snip leaves and its ridged teeth to grind them up.4 3

?When did Koshisaurus live?

It lived during the Early Cretaceous, about 125 to 115 million years ago.3 5

?Where was Koshisaurus found?

Its fossils were found in Fukui Prefecture, Japan, in the Kitadani Formation.4 3

Ku bazobereye muri dinozore

Izina rya siyansi: Koshisaurus
Yiswe na: Shibata and Azuma 20155
Itsinda: Izirya ibimera zifite umunwa w'inyoni
Umuryango / ishami: Hadrosauroidea5
Ishyirwa mu byiciro: Ornithischia > Ornithopoda > Iguanodontia5
Imyaka y'amabuye: imyaka miliyoni 121 kugeza 113 (Aptian)5
Inzego z'amabuye: Kitadani5
Ibihugu: Ubuyapani5
Ibisigazwa byanditswe: 1 muri The Paleobiology Database5
Ivumburwa: Koshisaurus was named by Masateru Shibata and Yoichi Azuma in 2015 based on fossils from the Kitadani Formation in Fukui, Japan.2 1
Biracyagibwaho impaka: Scientists are not sure exactly how big Koshisaurus grew, because only partial fossils have been found.2

Aho amakuru yakuwe

New basal hadrosauroid (Dinosauria: Ornithopoda) from the Lower Cretaceous Kitadani Formation, Fukui, central Japan | Zootaxa (biotaxa.org)
PBDB Taxon (paleobiodb.org)
Koshisaurus (en.wikipedia.org)
勝山市の発掘現場から発見された恐竜に新しい学名が付けられました｜恐竜博物館の調査研究｜FPDM: 福井県立恐竜博物館 (dinosaur.pref.fukui.jp)
Koshisaurus in The Paleobiology Database (CC BY 4.0): imyaka, ahantu, inzego z'amabuye, ishyirwa mu byiciro.

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