Ikarita ya dinozore nimero 0072 muri 2 027

Alexeyisaurus

Izina risobanura: “Alexey's lizard”1

Yaryaga: InyamaPlesiyozoreTriyasike ya nyumaMu by'ukuri si dinozore

Alexeyisaurus was a long-necked marine reptile that swam in the oceans during the Late Triassic, about 210 million years ago. It was not a dinosaur, but a plesiosaur, a type of sea creature with a small head and four flippers. It lived near what is now Franz Josef Land in Russia.1 2

Akantu gashimishije: iki gikururanda cyo mu nyanja cyogaga mu gihe dinozore zagendaga ku butaka. Bose bakita dinozore, ariko cyari mu rindi shami ry'ibikururanda.

Yabayeho

hashize imyaka miliyoni 227 kugeza 2115

Triyasike ya nyuma

Ibisigazwa byabonetse muri

Wilczek Land, Franz Josef Land, Russia1

Uburebure

7 m (23 ft)2

Umuvuduko wo hejuru

nka 26 km/h (16 mph)

Koga, igereranya

Yabayeho ryari?

Triyasike

Jurasike

Kiretase

Hashize miliyoni 252 z'imyaka20114566, asiteroyide

Yanganaga ite?

Yari ndende ite?

ndende nk'imbwa 7 zikurikiranyendende nk'imineke 39 ikurikiranyeyashoboraga koga uburebure bwa pisine nini (50 m) mu masegonda 6,9

Alexeyisaurus yanganaga ite ugereranyije NAWE?

Ni imibare gusa ibarirwa muri mushakisha yawe. Nta kintu kibikwa cyangwa cyoherezwa ahandi.

Yihutaga ite?

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

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

Alexeyisaurus nka 26 km/h (16 mph)

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

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

utuntu twiza cyane

Utuntu dushimishije

Alexeyisaurus is one of the earliest known plesiosaurs, living during the Late Triassic period.3

Its body was about 7 meters (23 feet) long, which is as long as a small bus.2

The humerus (upper arm bone) was straight and very long, with flat ends that suggest the head of the bone was not fully hardened.2

Its femur (thigh bone) was slightly curved and had wider ends than the humerus, giving it a different shape.2

The vertebrae (back bones) were strictly amphicoelous, meaning they were hollow on both ends like a dumbbell.2

Scientists first thought Alexeyisaurus was an elasmosaur, but later studies say the skeleton is too poorly preserved to be sure.1

Ishusho ya Alexeyisaurus yakozwe na AI — Ishusho yakozwe na AI yerekana uko Alexeyisaurus 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 Alexeyisaurus

?Was Alexeyisaurus a dinosaur?

No, it was not a dinosaur. It was a plesiosaur, a type of long-necked marine reptile that lived in the ocean.4 1

?How big was Alexeyisaurus?

It was about 7 meters (23 feet) long, which is as long as a small bus.4

?When did Alexeyisaurus live?

It lived during the Late Triassic period, about 210 million years ago.4 1

Ku bazobereye muri dinozore

Izina rya siyansi: Alexeyisaurus
Yiswe na: Sennikov and Arkhangelsky 20105
Itsinda: Plesiyozore
Umuryango / ishami: Elasmosauridae5
Ishyirwa mu byiciro: Plesiosauria > Elasmosauridae > Sauropterygia5
Imyaka y'amabuye: imyaka miliyoni 227 kugeza 211 (Norian)5
Inzego z'amabuye: Wilczek5
Ibihugu: Uburusiya5
Ibisigazwa byanditswe: 1 muri The Paleobiology Database5
Ivumburwa: Alexeyisaurus was named by Russian paleontologists A. G. Sennikov and M. S. Arkhangelsky in 2010, based on an incomplete skeleton found on Wilczek Land in the Arctic.1 2
Biracyagibwaho impaka: Scientists are not sure if Alexeyisaurus was really an elasmosaurid plesiosaur, because the only skeleton found is incomplete and poorly preserved.1

Aho amakuru yakuwe

Alexeyisaurus (en.wikipedia.org)
PBDB Taxon (paleobiodb.org)
On a typical Jurassic sauropterygian from the Upper Triassic of Wilczek Land (Franz Josef Land, Arctic Russia) (exa.ai)
Alexeyisaurus – Plesiosaur Directory (plesiosauria.com)
Alexeyisaurus in The Paleobiology Database (CC BY 4.0): imyaka, ahantu, inzego z'amabuye, ishyirwa mu byiciro.

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