Ikarita ya dinozore nimero 1524 muri 2 027

Quasianosteosaurus

Izina risobanura: “almost boneless lizard”1

Yaryaga: InyamaIktiyozoreTriyasike ya mbere kugeza Triyasike yo hagatiMu by'ukuri si dinozore

Quasianosteosaurus was an ancient marine reptile that swam in the seas long before dinosaurs ruled the land. It had a huge skull, almost 50 centimetres long, making it one of the biggest early ichthyosaurs known.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 249 kugeza 2474

Triyasike ya mbere kugeza Triyasike yo hagati

Ibisigazwa byabonetse muri

Mount Viking, Spitsbergen, Svalbard archipelago, Norway1

Umuvuduko wo hejuru

nka 46 km/h (29 mph)

Koga, igereranya

Yabayeho ryari?

Triyasike

Jurasike

Kiretase

Hashize miliyoni 252 z'imyaka20114566, asiteroyide

Yihutaga ite?

Umuntu ugenda n'amaguru nka 5 km/h (3 mph)

Umwana ku igare nka 12 km/h (7 mph)

Quasianosteosaurus nka 46 km/h (29 mph)

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

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

utuntu twiza cyane

Utuntu dushimishije

Quasianosteosaurus is known from only one partial skull, which is mostly a natural cast with very little original bone left.1

Its name means 'almost boneless lizard' because the fossil skull is almost just an impression in the rock.1

This ichthyosaur lived about 248 to 247 million years ago, during the Early Triassic period.3

The skull of Quasianosteosaurus is the largest Early Triassic ichthyosaur skull ever found, measuring about 50 centimetres (20 inches) long.1 2

It was a close relative of other early ichthyosaurs like Parvinatator, but different enough to be placed in its own family, Quasianosteosauridae.1 2

The fossil was found in the Sticky Keep Formation on Mount Viking in Spitsbergen, Norway.1

Early Triassic ichthyosaurs like Quasianosteosaurus show that these marine reptiles evolved and diversified very quickly after the great Permian extinction.2

Ishusho ya Quasianosteosaurus yakozwe na AI — Ishusho yakozwe na AI yerekana uko Quasianosteosaurus 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: Quasianosteosaurus
Yiswe na: Maisch and Matzke 20034
Itsinda: Iktiyozore
Umuryango / ishami: Quasianosteosauridae4
Ishyirwa mu byiciro: Ichthyosauria > Ichthyosauromorpha4
Imyaka y'amabuye: imyaka miliyoni 249 kugeza 247 ()4
Inzego z'amabuye: Sticky Keep4
Ibihugu: Svalbard4
Ibisigazwa byanditswe: 1 muri The Paleobiology Database4
Ivumburwa: Quasianosteosaurus was named by Michael Werner Maisch and Andreas Theodor Matzke in 2003, based on a partial skull found on Mount Viking in Spitsbergen, Norway.1
Biracyagibwaho impaka: Scientists are not sure exactly how big the whole animal was, because only its skull has been found.1

Aho amakuru yakuwe

Quasianosteosaurus (en.wikipedia.org)
Observations on Triassic ichthyosaurs. Part XII. A new Early Triassic ichthyosaur genus from Spitzbergen - Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen Band 229 Heft 3, Schweizerbart science publishers (schweizerbart.de)
PBDB Taxon (paleobiodb.org)
Quasianosteosaurus in The Paleobiology Database (CC BY 4.0): imyaka, ahantu, inzego z'amabuye, ishyirwa mu byiciro.

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