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Nothosaurus

Izenaren esanahia: “false lizard”1

Jaten zuen: ArrainaItsas narrastiakBehe Triasikoa eta Goi Triasikoa arteanTeknikoki ez da dinosauroa

Nothosaurus was a marine reptile that lived in the Triassic Period, about 245 to 210 million years ago. It looked a bit like a seal with a long tail and webbed feet, and it swam in warm seas that covered much of the world. It was not a dinosaur, but a different kind of reptile called a sauropterygian.1 2

Datu dibertigarria: itsas narrasti hau igerian zebilen dinosauroak lehorrean ibiltzen ziren bitartean. Denek dino deitzen diete, baina narrastien beste adar bat ziren.

Bizi izan zen

Duela 251 eta 201 milioi urte artean4

Behe Triasikoa eta Goi Triasikoa artean

Fosilak hemen aurkitu dira:

Germany, Israel, China, the Netherlands, Italy, Spain, France, Poland, Switzerland, Hungary, Bulgaria, Jordan, Saudi Arabia, and the United States (California)4 1

Luzera

4 eta 7 m artean (13 eta 23 ft artean)1

Abiadura maximoa

22 km/h inguru (14 mph)

Igeri egitea, kalkulua

Noiz bizi izan zen?

Triasikoa

Jurasikoa

Kretazeoa

Duela 252 milioi urte20114566, asteroidea

Zein handia zen?

Zein luzea zen?

7 txakur bezain luze, sudurretik buztanerabata bestearen atzean jarritako 39 banana bezain luzeigerileku handi baten luzera (50 m) 8,2 segundotan egin zezakeen igerian

Zein handia zen Nothosaurus ZUREKIN alderatuta?

Zure nabigatzaileko kalkulu hutsak. Ez da ezer gordetzen ez inora bidaltzen.

Zein azkarra zen?

Pertsona bat oinez 5 km/h inguru (3 mph)

Haur bat bizikletan 12 km/h inguru (7 mph)

Nothosaurus 22 km/h inguru (14 mph)

Zaldi bat lauhazka 65 km/h inguru (40 mph)

Gepardo bat 100 km/h inguru (62 mph)

gauza bikainak

Datu dibertigarriak

Nothosaurus had webbed toes and probably a fin on its tail to help it swim, much like a modern seal.1

Some Nothosaurus fossils show that they gave birth to live young, not eggs. This is called vivipary.1

The name Nothosaurus means 'false lizard' because early scientists thought it was a lizard, but it was actually a marine reptile.1

Nothosaurus lived in the Tethys Ocean, a huge sea that existed between the continents of the Triassic Period.1

Trackways from China suggest Nothosaurus used its paddles to dig into the seabed to find hidden prey.1

Nothosaurus had a closed palate, which means it could breathe while holding food in its mouth underwater.2

Nothosaurus: AAk egindako irudia — Nothosaurus nolakoa izan zitekeen erakusten duen AAk egindako irudia, ordenagailu batek zientzialariek dakitenetik sortua. Asmakizun bat da: benetako animalia desberdina izan zitekeen, eta inork ez daki zein ziren bere benetako koloreak.

zure galderak

Nothosaurus: gehien egindako galderak

?How big was Nothosaurus?

Most Nothosaurus species were about 4 metres (13 feet) long, but some like N. zhangi and N. giganteus could reach 5 to 7 metres (16 to 23 feet).1

?What did Nothosaurus eat?

It ate fish and other marine creatures, using its long jaws lined with needle teeth to catch them. It may have also snapped up crustaceans and worms hiding in the seabed mud.1 3

?Could Nothosaurus swim?

Yes, it was a semi-oceanic swimmer that used its tail, legs, and webbed feet to propel and steer through the water, much like a seal.1

?When did Nothosaurus live?

Nothosaurus lived during the Triassic Period, about 245 to 228 million years ago.1

?Where did Nothosaurus live?

Its fossils have been found in Europe, North Africa, and China, in areas that were once part of the warm Tethys Ocean.1 2

?Is Nothosaurus a dinosaur?

No, Nothosaurus is not a dinosaur. It is a different kind of reptile called a sauropterygian, which is a group distinct from lizards and snakes.1 2

?How fast could Nothosaurus swim?

Probably up to about 22 km/h (14 mph) in the water, about as fast as a grown-up riding a bike. This is an estimate. It swam by swishing its body and using its legs, a bit like a seal.2

Mito-hauslea

Mitoa: Nothosaurus is often mistaken for a dinosaur.

Egia: Nothosaurus was a marine reptile called a sauropterygian, not a dinosaur. Dinosaurs lived on land and had different body features.1

Dino adituentzat

Izen zientifikoa: Nothosaurus
Izendatzailea:: Münster 18344
Taldea: Itsas narrastiak
Familia / klada: Nothosauridae4
Sailkapena: Sauropterygia4
Arroken adina: 251 eta 201 milioi urte artean ()4
Arroka-formazioak: Jena, Erfurt, Karlstadt4
Herrialdeak: Alemania, Israel, Txina, Herbehereak, Italia, Espainia4
Fosil-erregistroak: 103 The Paleobiology Database datu-basean4
Honela ere ezaguna: Dracosaurus, Elmosaurus, Kolposaurus, Opeosaurus, Paranothosaurus, Shingyisaurus (orain animalia bertzat hartzen diren izen zaharragoak)4
Aurkikuntza: Nothosaurus was named in 1834 by Georg Graf zu Münster based on fossils from the Muschelkalk of Germany. The type species is Nothosaurus mirabilis.1 4
Oraindik eztabaidagai: Scientists are still debating exactly how Nothosaurus swam, whether it used its tail and limbs together or mainly its body undulations.1 2

Datuak nondik datozen

Nothosaurus (en.wikipedia.org)
Nothosaurus | Triassic, Marine, Reptile | Britannica (britannica.com)
Nothosaur foraging tracks from the Middle Triassic of southwestern China | Nature Communications (nature.com)
Nothosaurus in The Paleobiology Database (CC BY 4.0): adina, tokiak, arroka-formazioak, sailkapena.

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