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Cryonectes

Izina risobanura: “cold swimmer”1

Yaryaga: InyamaPlesiyozoreJurasike ya mbereMu by'ukuri si dinozore

Cryonectes was a marine reptile that lived in the Early Jurassic seas, about 185 to 183 million years ago. It was a pliosaur, a type of plesiosaur with a big head and a short neck, built to hunt other sea creatures. Its fossils were found in Normandy, France.1 3

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 193 kugeza 1843

Jurasike ya mbere

Ibisigazwa byabonetse muri

Roche-Blain quarry, Fresney-le-Puceux, near Laize-la-Ville, Normandy, France3 1

Uburebure

3 kugeza 4 m (9,8 kugeza 13 ft)1 2

Umuvuduko wo hejuru

nka 29 km/h (18 mph)

Koga, igereranya

Yabayeho ryari?

Triyasike

Jurasike

Kiretase

Hashize miliyoni 252 z'imyaka20114566, asiteroyide

Yanganaga ite?

Yari ndende ite?

ndende nk'imbwa 4 zikurikiranyendende nk'imineke 22 ikurikiranyeyashoboraga koga uburebure bwa pisine nini (50 m) mu masegonda 6,2

Cryonectes 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)

Cryonectes nka 29 km/h (18 mph)

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

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

utuntu twiza cyane

Utuntu dushimishije

Cryonectes is known from a partial skull, lower jaw, and ten vertebrae, which were collected in the 1980s from a quarry in France.1

Its skull is about 47 centimeters (19 inches) long, making it a moderate-sized pliosaurid.1

The name Cryonectes means 'cold swimmer' because it lived during a cool period in the Early Jurassic.1

Cryonectes was a subadult when it died, as shown by its vertebrae having open growth plates.1

Its snout is very long, and the lower jaw has a long symphysis (where the two halves meet) with seven tooth positions.1

Scientists think Cryonectes is one of the earliest pliosaurids, helping to show that pliosaurids evolved earlier than previously thought.2

Ishusho ya Cryonectes yakozwe na AI — Ishusho yakozwe na AI yerekana uko Cryonectes 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: Cryonectes
Yiswe na: Vincent et al. 20133
Itsinda: Plesiyozore
Umuryango / ishami: Pliosauridae3
Ishyirwa mu byiciro: Plesiosauria > Pliosauridae > Sauropterygia3
Imyaka y'amabuye: imyaka miliyoni 193 kugeza 184 (Pliensbachian)3
Inzego z'amabuye: Calcaire à Bélemnites3
Ibihugu: Ubufaransa3
Ibisigazwa byanditswe: 1 muri The Paleobiology Database3
Ivumburwa: Cryonectes was named in 2012 by Peggy Vincent, Nathalie Bardet, and Emanuela Mattioli based on a fossil found in the 1980s in Normandy, France. The fossil was stored at the Musée de l’Agglomération d’Elbeuff in Elbeuf-sur-Seine.1 2
Biracyagibwaho impaka: Scientists are still debating exactly where Cryonectes fits in the pliosaur family tree, though it is thought to be a basal (early) pliosaurid.1 2

Aho amakuru yakuwe

Cryonectes (en.wikipedia.org)
A new pliosaurid from the Pliensbachian, Early Jurassic of Normandy, Northern France - Acta Palaeontologica Polonica (app.pan.pl)
Cryonectes in The Paleobiology Database (CC BY 4.0): imyaka, ahantu, inzego z'amabuye, ishyirwa mu byiciro.

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