Picrocleidus

Igama lithetha: “sharp key”1

Yayitya: InyamaIiplesiosauriiJurassic ephakathiNgokwenene ayisiyo dayinaso

Picrocleidus was a plesiosaur, a long-necked marine reptile that swam in the Jurassic seas. It had a small head, a very long neck, and four flippers to paddle through the water. Picrocleidus was a meat-eater that hunted fish and other sea creatures.1 2

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

Yaphila

165 ukuya ku-162 izigidi zeminyaka eyadlulayo2

iJurassic ephakathi

Iifosili zifunyenwe:

Peterborough, England, United Kingdom1 2

Esona santya siphezulu

malunga ne-27 km/h (17 mph)

Ukuqubha, uqikelelo

Yaphila nini?

iTriassic

iJurassic

iCretaceous

Izigidi ezingama-252 zeminyaka eyadlulayo20114566, i-asteroyidi

Yayikhawuleza kangakanani?

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

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

Picrocleidus malunga ne-27 km/h (17 mph)

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

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

izinto ezimnandi

Iinyani ezimnandi

Picrocleidus lived about 165 to 161 million years ago, during the Middle Jurassic period.2

The first Picrocleidus fossil was found in the Oxford Clay Formation in Peterborough, England.1

Picrocleidus was originally thought to be a species of another plesiosaur called Muraenosaurus, but scientists later gave it its own name.1

Five Picrocleidus specimens have been found, including one with a complete tail and another that was a young individual.1

The name Picrocleidus comes from Greek words meaning 'sharp key', because of its sharp, key-shaped collarbones.1

Picrocleidus is classified as a cryptoclidid, a group of plesiosaurs with long necks and small heads.1 2

Umfanekiso owenziwe yi-AI: Picrocleidus — Umfanekiso owenziwe yi-AI obonisa indlela Picrocleidus 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: Picrocleidus
Inikwe igama ngu:: Andrews 19092
Iqela: Iiplesiosauri
Usapho / iclade: Cryptoclididae2
Ukuhlelwa: Plesiosauria > Sauropterygia2
Ubudala bamatye: 165 ukuya ku-162 izigidi zeminyaka (Callovian)2
Izakhiwo zamatye: Oxford Clay2
Amazwe: iUnited Kingdom2
Iirekhodi zeefosili: 1 kwi-Paleobiology Database2
Ukufunyanwa: The first Picrocleidus fossil was discovered in the Oxford Clay Formation in Peterborough, England, and was acquired by Alfred Nicholson Leeds. It was first named Muraenosaurus beloclis by Seeley in 1892, but Charles William Andrews gave it its own genus name Picrocleidus in 1910.1
Kusaxoxwa ngayo: Scientists are not sure if Picrocleidus is really a separate genus from Muraenosaurus, or if they are the same animal.1

Apho iinyani zivela khona

Picrocleidus (en.wikipedia.org)
Picrocleidus in The Paleobiology Database (CC BY 4.0): ubudala, iindawo, izakhiwo zamatye, ukuhlelwa.

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