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Keichousaurus: marrazkia
Dino txartela, 0952. zk. (2ย 027 guztira)

Keichousaurus

Izenaren esanahia: “Kweichow lizard”1
Jaten zuen: ArrainaItsas narrastiakBehe Triasikoa eta Erdi Triasikoa arteanTeknikoki ez da dinosauroa

Keichousaurus was a small marine reptile that swam in warm seas during the Triassic Period. It had a long neck, a long tail, and paddle-like limbs to row through the water.1

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 artean5
Behe Triasikoa eta Erdi Triasikoa artean
Fosilak hemen aurkitu dira:
Guizhou, Hubei, and Yunnan provinces, China12
Luzera
0,3 eta 0,5 m artean (1 eta 1,6 ft artean)1
Abiadura maximoa
4 km/h inguru (2 mph)
Igeri egitea, kalkulua

Noiz bizi izan zen?

Triasikoa
Jurasikoa
Kretazeoa
Duela 252 milioi urte20114566, asteroidea

Zein handia zen?

Zein luzea zen?

Keichousaurus 0,5 m inguru luze (1,6 ft)Etxeko katu bat 0,5 m inguru (1,6 ft)Txakur bat 1 m inguru (3,3 ft)Heldu baten bizikleta 1,8 m inguru (5,9 ft)
bata bestearen atzean jarritako 3 banana bezain luzeilaran jarritako 16 eraikuntza-pieza bezain luzeigerileku handi baten luzera (50 m) 45 segundotan egin zezakeen igerian

Zein handia zen Keichousaurus ZUREKIN alderatuta?

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

Zein azkarra zen?

gauza bikainak

Datu dibertigarriak

1

Keichousaurus gave birth to live young instead of laying eggs. Baby fossils have been found inside adult females.1

2

This reptile had very broad ulna bones in its forelimbs, which helped make its paddles more effective for swimming.1

3

Males grew slightly larger than females. Mature males reached about 16 cm snout-vent length, while females reached about 15 cm.1

4

Keichousaurus is one of the most common sauropterygian fossils found in China. Many complete skeletons have been collected.1

5

It had a long, serpentine neck and a small head, similar to other pachypleurosaurs.1

6

Keichousaurus probably used a rowing motion with its paddle-like limbs to move through the water.1

AAk eginaKeichousaurus: AAk egindako irudia
Keichousaurus 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

Keichousaurus: gehien egindako galderak

?Is Keichousaurus a dinosaur?

No, Keichousaurus is not a dinosaur. It is a marine reptile called a sauropterygian.1

?How big was Keichousaurus?

Keichousaurus was very small. Mature males reached about 16 cm snout-vent length, and females about 15 cm.1

?What did Keichousaurus eat?

It ate fish. It had pointed teeth and backward-curved teeth at the front of its mouth to catch and swallow prey whole.1

?Did Keichousaurus lay eggs?

No. Fossil evidence shows that Keichousaurus gave birth to live young, not eggs. Babies have been found inside adult females.143

?Could Keichousaurus swim?

Yes, it was a good swimmer. It used its paddle-like limbs to row through the water, similar to underwater flight.1

?When did Keichousaurus live?

Keichousaurus lived during the Triassic Period, from about 251 to 227 million years ago.1

Dino adituentzat

Izen zientifikoa
Keichousaurus
Izendatzailea:
Young 19585
Taldea
Itsas narrastiak
Familia / klada
Keichousauridae5
Sailkapena
Sauropterygia5
Arroken adina
251 eta 237 milioi urte artean ()5
Arroka-formazioak
Falang, Jialingjiang, Gejiu5
Herrialdeak
Txina5
Fosil-erregistroak
7 The Paleobiology Database datu-basean5
Aurkikuntza
The first fossil of Keichousaurus was found in 1957 in Guizhou Province, China, by Hu Chengzhi. It was named by Chinese paleontologist Young Chung-chien in 1958.1
Oraindik eztabaidagai
Scientists are not sure whether Keichousaurus was viviparous (giving birth to live young) or ovoviviparous (eggs hatching inside the mother).3

Datuak nondik datozen

  1. Keichousaurus (en.wikipedia.org)
  2. PBDB Taxon (paleobiodb.org)
  3. Morphology of Keichousaurus hui from the Middle Triassic of Xingyi, Guizhou Province with Comments on Its Reproduction Mode (xbna.pku.edu.cn)
  4. Triassic marine reptiles gave birth to live young | Nature (nature.com)
  5. Keichousaurus in The Paleobiology Database (CC BY 4.0): adina, tokiak, arroka-formazioak, sailkapena.

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