Cryonectes

Igama lithetha: “cold swimmer”1

Yayitya: InyamaIiplesiosauriiJurassic yokuqalaNgokwenene ayisiyo dayinaso

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

Inyani emnandi: esi sirhubuluzi saselwandle sasiqubha ngelixa iidayinaso zazihamba emhlabeni. Wonke umntu uzibiza ngokuba ziidayinaso, kodwa zazilisebe elahlukileyo lezirhubuluzi.

Yaphila

193 ukuya ku-184 izigidi zeminyaka eyadlulayo3

iJurassic yokuqala

Iifosili zifunyenwe:

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

Ubude

3 ukuya ku-4 m (9.8 ukuya ku-13 ft)1 2

Esona santya siphezulu

malunga ne-29 km/h (18 mph)

Ukuqubha, uqikelelo

Yaphila nini?

iTriassic

iJurassic

iCretaceous

Izigidi ezingama-252 zeminyaka eyadlulayo20114566, i-asteroyidi

Yayinkulu kangakanani?

Yayinde kangakanani?

inde njengezinja ezingama-4, impumlo ukuya emsileniinde njengeebhanana ezingama-22 zilandelelanaibinokuqubha ubude bechibi elikhulu lokuqubha (50 m) ngemizuzwana engama-6.2

Cryonectes wayemkhulu kangakanani xa ethelekiswa NAWE?

Yimathematika nje kwibhrawuza yakho. Akukho nto igcinwayo okanye ithunyelwe naphi na.

Yayikhawuleza kangakanani?

Umntu ohambayo malunga ne-5 km/h (3 mph)

Umntwana ekhwele ibhayisikile malunga ne-12 km/h (7 mph)

Cryonectes malunga ne-29 km/h (18 mph)

Ihashe elibaleka ngamandla malunga ne-65 km/h (40 mph)

Ingwenkala malunga ne-100 km/h (62 mph)

izinto ezimnandi

Iinyani ezimnandi

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

Umfanekiso owenziwe yi-AI: Cryonectes — Umfanekiso owenziwe yi-AI obonisa indlela Cryonectes esenokuba wayekhangeleka ngayo, wenziwe yikhompyutha ngokwento eyaziwa zizazinzulu. Kukuqikelela nje: esona silwanyana sinokuba sasikhangeleka ngenye indlela, kwaye akukho mntu waziyo imibala yaso yokwenyani.

Kwiingcali zeedayinaso

Igama lenzululwazi: Cryonectes
Inikwe igama ngu:: Vincent et al. 20133
Iqela: Iiplesiosauri
Usapho / iclade: Pliosauridae3
Ukuhlelwa: Plesiosauria > Pliosauridae > Sauropterygia3
Ubudala bamatye: 193 ukuya ku-184 izigidi zeminyaka (Pliensbachian)3
Izakhiwo zamatye: Calcaire à Bélemnites3
Amazwe: iFransi3
Iirekhodi zeefosili: 1 kwi-Paleobiology Database3
Ukufunyanwa: 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
Kusaxoxwa ngayo: 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

Apho iinyani zivela khona

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): ubudala, iindawo, izakhiwo zamatye, ukuhlelwa.

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