Quasianosteosaurus

Igama lithetha: “almost boneless lizard”1

Yayitya: InyamaIi-ichthyosauriiTriassic yokuqala ukuya ku-iTriassic ephakathiNgokwenene ayisiyo dayinaso

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

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

Yaphila

249 ukuya ku-247 izigidi zeminyaka eyadlulayo4

iTriassic yokuqala ukuya ku-iTriassic ephakathi

Iifosili zifunyenwe:

Mount Viking, Spitsbergen, Svalbard archipelago, Norway1

Esona santya siphezulu

malunga ne-46 km/h (29 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)

Quasianosteosaurus malunga ne-46 km/h (29 mph)

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

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

izinto ezimnandi

Iinyani ezimnandi

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

Umfanekiso owenziwe yi-AI: Quasianosteosaurus — Umfanekiso owenziwe yi-AI obonisa indlela Quasianosteosaurus 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: Quasianosteosaurus
Inikwe igama ngu:: Maisch and Matzke 20034
Iqela: Ii-ichthyosauri
Usapho / iclade: Quasianosteosauridae4
Ukuhlelwa: Ichthyosauria > Ichthyosauromorpha4
Ubudala bamatye: 249 ukuya ku-247 izigidi zeminyaka ()4
Izakhiwo zamatye: Sticky Keep4
Amazwe: iSvalbard4
Iirekhodi zeefosili: 1 kwi-Paleobiology Database4
Ukufunyanwa: 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
Kusaxoxwa ngayo: Scientists are not sure exactly how big the whole animal was, because only its skull has been found.1

Apho iinyani zivela khona

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): ubudala, iindawo, izakhiwo zamatye, ukuhlelwa.

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