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Quasianosteosaurus
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.12
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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.12
It was a close relative of other early ichthyosaurs like Parvinatator, but different enough to be placed in its own family, Quasianosteosauridae.12
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
Për ekspertët e dinozaurëve
- Emri shkencor
- Quasianosteosaurus
- Emërtuar nga
- Maisch and Matzke 20034
- Grupi
- Iktiozaurët
- Familja / klada
- Quasianosteosauridae4
- Klasifikimi
- Ichthyosauria > Ichthyosauromorpha4
- Mosha e shkëmbinjve
- 249 deri në 247 milionë vjet ()4
- Formacionet shkëmbore
- Sticky Keep4
- Vendet
- Svalbardi4
- Gjetjet fosile
- 1 në The Paleobiology Database4
- Zbulimi
- 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
- Ende i diskutueshëm
- Scientists are not sure exactly how big the whole animal was, because only its skull has been found.1
Nga vijnë faktet
- 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): mosha, vendet, formacionet shkëmbore, klasifikimi.
Çdo fakt në këtë faqe ka një numër që të çon te burimi i tij. Nëse kemi gabuar diçka, na fal, ne jemi fansa dinozaurësh, jo revistë shkencore. Na shkruaj në [email protected] dhe do ta rregullojmë.
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