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Lariosaurus

Izenaren esanahia: “lizard from Larius, the ancient name of Lake Como”1

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

Lariosaurus was a small, ancient sea reptile that lived in warm, shallow seas during the Triassic Period. It had a short neck, small flippers, and webbed feet, and it probably spent a lot of time hunting in shallow water or even on land.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 237 milioi urte artean4

Behe Triasikoa eta Erdi Triasikoa artean

Fosilak hemen aurkitu dira:

Italy, Switzerland, Germany, Spain, France, the Netherlands, Austria, and China4 1

Luzera

0,7 eta 0,8 m artean (2,3 eta 2,6 ft artean)1

Abiadura maximoa

7 km/h inguru (4 mph)

Igeri egitea, kalkulua

Noiz bizi izan zen?

Triasikoa

Jurasikoa

Kretazeoa

Duela 252 milioi urte20114566, asteroidea

Zein handia zen?

Zein luzea zen?

1,5 etxeko katu bezain luze, sudurretik buztanerabata bestearen atzean jarritako 4 banana bezain luzeigerileku handi baten luzera (50 m) 26 segundotan egin zezakeen igerian

Zein handia zen Lariosaurus 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)

Lariosaurus 7 km/h inguru (4 mph)

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

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

Gepardo bat 100 km/h inguru (62 mph)

gauza bikainak

Datu dibertigarriak

Lariosaurus was one of the smallest nothosaurs, measuring less than one meter long.1

Its front legs were adapted into paddles, but its back legs still had five toes, which is unusual among nothosaurs.1

Scientists think Lariosaurus could give birth to live young, because fossils of babies have been found inside adults.1

A fossil with preserved skin shows that Lariosaurus had webbed hands and feet, like a duck.2

Lariosaurus had a short neck and small flippers, making it a poor swimmer compared to other nothosaurs.1

The first Lariosaurus fossil was discovered in 1830 near Lake Como, Italy, making it one of the earliest known marine reptiles from the Alps.1

Lariosaurus had a sturdy armor of belly ribs (gastralia) that protected its underside.1

Lariosaurus: AAk egindako irudia — Lariosaurus 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

Lariosaurus: gehien egindako galderak

?What did Lariosaurus eat?

It ate small prey like fish and other reptiles. One fossil had two young placodonts (a type of shelled reptile) in its stomach.1

?How did Lariosaurus swim?

It swam by rowing its strong front limbs like a seal, using a 'flying-rowing' motion. Its hands and feet were webbed, not flippers.2 3

?Did Lariosaurus have live babies?

Yes, scientists think it gave birth to live young. Fossils of baby Lariosaurus have been found inside adults.1

Mito-hauslea

Mitoa: Some people thought Lariosaurus was a dinosaur or a stegosaur.

Egia: Lariosaurus is a nothosaur, a type of marine reptile, not a dinosaur. The nothosaur Eupodosaurus was once mistaken for a stegosaurian dinosaur but is now considered the same as Lariosaurus.1

Dino adituentzat

Izen zientifikoa: Lariosaurus
Izendatzailea:: Curioni 18474
Taldea: Itsas narrastiak
Familia / klada: Nothosauridae4
Sailkapena: Sauropterygia4
Arroken adina: 251 eta 237 milioi urte artean ()4
Arroka-formazioak: Falang, Meride, Perledo-Varenna4
Herrialdeak: Italia, Txina, Alemania, Espainia, Suitza, Herbehereak4
Fosil-erregistroak: 27 The Paleobiology Database datu-basean4
Honela ere ezaguna: Deirosaurus, Eupodosaurus, Macromerosauro, Macromerosaurus, Macromirosaurus, Rhaeticonia, Silvestrosaurus (orain animalia bertzat hartzen diren izen zaharragoak)4
Aurkikuntza: Lariosaurus was named in 1847 by Curioni, based on a fossil found in 1830 at Perledo on Lake Como, Italy.1
Oraindik eztabaidagai: Scientists debate whether the genera Ceresiosaurus and Silvestrosaurus should be considered the same as Lariosaurus.1

Datuak nondik datozen

Lariosaurus (en.wikipedia.org)
The first specimen with skin preserved of Lariosaurus (Eusauropterygia) from the Middle Triassic of Monte San Giorgio (Switzerland) allows inferences about its swimming method | Swiss Journal of Palaeontology | Springer Nature Link (link.springer.com)
An ancient reptile’s fossilized skin reveals how it swam like a seal (sciencenews.org)
Lariosaurus in The Paleobiology Database (CC BY 4.0): adina, tokiak, arroka-formazioak, sailkapena.

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