Ikarita ya dinozore nimero 0462 muri 2 027

Cryopterygius

Izina risobanura: “cold or frozen fin”1

Yaryaga: InyamaIktiyozoreJurasike ya nyuma kugeza Kiretase ya mbereMu by'ukuri si dinozore

Cryopterygius was a large, fish-shaped marine reptile that lived in the chilly seas near the North Pole during the Late Jurassic. It was an ichthyosaur, not a dinosaur, and its fossil was dug out of permafrost, which is frozen ground.1

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 149 kugeza 1434

Jurasike ya nyuma kugeza Kiretase ya mbere

Ibisigazwa byabonetse muri

Spitsbergen, Svalbard, Norway, and also in Poland1 4

Uburebure

5 kugeza 5,5 m (16 kugeza 18 ft)2 3

Umuvuduko wo hejuru

nka 45 km/h (28 mph)

Koga, igereranya

Yabayeho ryari?

Triyasike

Jurasike

Kiretase

Hashize miliyoni 252 z'imyaka20114566, asiteroyide

Yanganaga ite?

Yari ndende ite?

ndende nk'imbwa 6 zikurikiranyendende nk'imineke 31 ikurikiranyeyashoboraga koga uburebure bwa pisine nini (50 m) mu masegonda 4

Cryopterygius 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)

Cryopterygius nka 45 km/h (28 mph)

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

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

utuntu twiza cyane

Utuntu dushimishije

The name Cryopterygius means 'cold fin' or 'frozen fin' because it was found in frozen ground in a very cold place.1

Its skeleton was nearly complete and still joined together, which is very rare for an ichthyosaur fossil.1

Cryopterygius had 52 vertebrae in front of its hips, which is a lot for an ichthyosaur.1

Its upper arm bone, the humerus, had only two bumps at the end where it connected to the rest of the fin.1

It lived in the Late Jurassic, about 149 to 143 million years ago, in the cold polar seas.4

Scientists found a complete left hip and leg, which helped them understand how ichthyosaurs moved their hind fins.1

Ishusho ya Cryopterygius yakozwe na AI — Ishusho yakozwe na AI yerekana uko Cryopterygius 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.

Ku bazobereye muri dinozore

Izina rya siyansi: Cryopterygius
Yiswe na: Druckenmiller et al. 20124
Itsinda: Iktiyozore
Umuryango / ishami: Ophthalmosauridae4
Ishyirwa mu byiciro: Ichthyosauria > Ichthyosauromorpha4
Imyaka y'amabuye: imyaka miliyoni 149 kugeza 143 (Tithonian)4
Inzego z'amabuye: Agardhfjellet, Kcynia4
Ibihugu: Noruveje, Polonye4
Ibisigazwa byanditswe: 2 muri The Paleobiology Database4
Ivumburwa: Cryopterygius was named in 2012 by Patrick Druckenmiller, Jørn Hurum, Espen Knutsen and Hans Nakrem. The nearly complete skeleton was found on the north side of Janusfjellet, near Longyearbyen, Svalbard, Norway.1

Aho amakuru yakuwe

Two new ophthalmosaurids (Reptilia: Ichthyosauria) from the Agardhfjellet Formation (Upper Jurassic: Volgian/Tithonian), Svalbard, Norway (njg.geologi.no)
Two new ophthalmosaurids (Reptilia: Ichthyosauria) from the Agardhfjellet Formation (Upper Jurassic: Volgian/Tithonian), Svalbard, Norway (geologi.no)
Cryopterygius (en.wikipedia.org)
Cryopterygius in The Paleobiology Database (CC BY 4.0): imyaka, ahantu, inzego z'amabuye, ishyirwa mu byiciro.

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