Ikarita ya dinozore nimero 1315 muri 2 027

Ophthalmothule

Izina risobanura: “eye of the north”1 2

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

Ophthalmothule was a plesiosaur, a marine reptile that lived in the sea, not a dinosaur. It had huge eye sockets, so it probably hunted in dark or deep water. This medium-sized swimmer was about as long as a car.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 149 kugeza 1374

Jurasike ya nyuma kugeza Kiretase ya mbere

Ibisigazwa byabonetse muri

Spitsbergen, Norway (Slottsmøya Member, Agardhfjellet Formation)2 1

Uburebure

5 kugeza 5,5 m (16 kugeza 18 ft)1 2

Umuvuduko wo hejuru

nka 28 km/h (17 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 6,4

Ophthalmothule 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)

Ophthalmothule nka 28 km/h (17 mph)

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

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

utuntu twiza cyane

Utuntu dushimishije

Ophthalmothule lived right at the end of the Jurassic and start of the Cretaceous, about 149 to 137 million years ago.3

Its name means 'eye of the north' because it had very large eye sockets and was found in the far north.1 2

This plesiosaur is one of the youngest cryptoclidids known from the Boreal region, along with Abyssosaurus.1 2

The holotype specimen includes a nearly complete skull and parts of the body, which is rare for cryptoclidid plesiosaurs.2

Ophthalmothule had a long neck with all its neck bones found still connected, helping scientists study how plesiosaurs moved their necks.2

Its large eyes may have helped it see better in dim light, either in deep water or while hunting at night.1 2

Ishusho ya Ophthalmothule yakozwe na AI — Ishusho yakozwe na AI yerekana uko Ophthalmothule 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: Ophthalmothule
Yiswe na: Roberts et al. 20204
Itsinda: Plesiyozore
Umuryango / ishami: Cryptoclididae4
Ishyirwa mu byiciro: Plesiosauria > Sauropterygia4
Imyaka y'amabuye: imyaka miliyoni 149 kugeza 137 (Tithonian / Berriasian)4
Inzego z'amabuye: Agardhfjellet4
Ibihugu: Noruveje4
Ibisigazwa byanditswe: 1 muri The Paleobiology Database4
Ivumburwa: Ophthalmothule was named in 2020 by Roberts and colleagues. The fossil was dug up in 2012 from Mount Wiman on Spitsbergen, Norway, from rocks that span the Jurassic-Cretaceous boundary.2 3
Biracyagibwaho impaka: Scientists are not sure whether the Ophthalmothule fossil comes from the very end of the Jurassic or the very beginning of the Cretaceous, because the rock layers are very compressed.2

Aho amakuru yakuwe

Ophthalmothule (en.wikipedia.org)
PeerJ A new plesiosaurian from the Jurassic, Cretaceous transitional interval of the Slottsmøya Member (Volgian), with insights into the cranial anatomy of cryptoclidids using computed tomography (peerj.com)
PBDB Taxon (paleobiodb.org)
Ophthalmothule in The Paleobiology Database (CC BY 4.0): imyaka, ahantu, inzego z'amabuye, ishyirwa mu byiciro.

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