Kartu dino No. 0072 ci 2 027

Alexeyisaurus

Tur bi mooy: “Alexey's lizard”1

Lekkoon: YàppPlesiyosoor yiTriyaas bu mujjCi xam-xam, du dinosoor

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

Xibaar bu neex: reptil bu géej bii dafa daan féey ci jamono yi dinosoor yi daan dox ci suuf. Ñépp dañu leen di wooye dino, waaye beneen caru reptil lañu woon.

Dundoon

am na 227 ba 211 milyoŋ at5

Triyaas bu mujj

Fosil yu ñu gis ci

Wilczek Land, Franz Josef Land, Russia1

Guddaay

7 m (23 ft)2

Gaawaay bi gën a kawe

lu tollu ci 26 km/h (16 mph)

Féey, jortu

Kañ la dundoon?

Triyaas

Jurasik

Kretase

Am na 252 milyoŋ at20114566, asteroyid bi

Naka la réyoon?

Naka la guddoon?

gudd ni 7 xaj, bakkan ba geengudd ni 39 banaana yu ñu topp-toppalemënoon na féey guddaayu pisin bu mag (50 m) ci 6,9 segond

Naka la Alexeyisaurus 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)

Alexeyisaurus lu tollu ci 26 km/h (16 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

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

Nataalu Alexeyisaurus bu ñu def ak IA — Nataal bu IA def la, muy wone ni Alexeyisaurus 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 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

Ngir ñi xam dino lool

Turu xam-xam: Alexeyisaurus
Ku ko tudde: Sennikov and Arkhangelsky 20105
Kurél: Plesiyosoor yi
Njaboot / klad: Elasmosauridae5
Klasifikasiyoŋ: Plesiosauria > Elasmosauridae > Sauropterygia5
Màggaayu doj yi: 227 ba 211 milyoŋ at (Norian)5
Formasiyoŋi doj: Wilczek5
Réew yi: Riisi5
Fosil yu ñu gis: 1 ci The Paleobiology Database5
Gisees: 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
Ñu ngi koy werante ba tey: Scientists are not sure if Alexeyisaurus was really an elasmosaurid plesiosaur, because the only skeleton found is incomplete and poorly preserved.1

Fa xibaar yi jóge

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

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