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Dino txartela, 1938. zk. (2 027 guztira)

Xiaosaurus

Izenaren esanahia: “dawn lizard”1

Jaten zuen: LandareakLandarejale mokodunakErdi Jurasikoa eta Goi Jurasikoa artean

Xiaosaurus was a tiny, speedy dinosaur that lived in what is now China about 168 million years ago. It was a plant-eater that ran on its two back legs and was only about as long as a big skateboard.1 3

Bizi izan zen

Duela 171 eta 155 milioi urte artean3

Erdi Jurasikoa eta Goi Jurasikoa artean

Fosilak hemen aurkitu dira:

Sichuan Province, China1 3

Luzera

0,94 eta 1 m artean (3,1 eta 3,3 ft artean)1 2

Altuera

0,33 m (1,1 ft)

kalkulua

Abiadura maximoa

25 km/h inguru (16 mph)

Korrika egitea, kalkulua

Noiz bizi izan zen?

Triasikoa

Jurasikoa

Kretazeoa

Duela 252 milioi urte20114566, asteroidea

Zein handia zen?

Zein luzea zen?

Zein altua zen?

kalkulua

2 etxeko katu bezain luze, sudurretik buztanerabata bestearen atzean jarritako 6 banana bezain luzeaulki baten azpitik ibiltzeko bezain txikia100 metro 14 segundotan egin zitzakeen korrika (gizakirik azkarrenak 9,6 behar ditu)

Zein handia zen Xiaosaurus 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)

Xiaosaurus 25 km/h inguru (16 mph)

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

Gepardo bat 100 km/h inguru (62 mph)

gauza bikainak

Datu dibertigarriak

Xiaosaurus means 'dawn lizard' because it lived during the Middle Jurassic, a time when dinosaurs were just starting to become common.1

Its thigh bone was only 11 centimeters (4.3 inches) long, showing it was a very small dinosaur.1

Scientists think Xiaosaurus might be a missing link between earlier plant-eaters like Lesothosaurus and later ones like Hypsilophodon.1 2

Only two partial skeletons of Xiaosaurus have been found, and they were damaged during digging.1 2

Xiaosaurus had a special feature: its upper arm bone (humerus) was straight when seen from the front, which is rare among early ornithischians.1

The fossils were discovered near Dashanpu in Sichuan, China, in 1979 and 1980.1 2

Xiaosaurus: AAk egindako irudia — Xiaosaurus 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

Xiaosaurus: gehien egindako galderak

?How big was Xiaosaurus?

About 1 metre (3.3 ft) long, which is about as long as a big skateboard. Its thigh bone was only 11 centimetres (4.3 in) long.1

?What did Xiaosaurus eat?

It was a herbivore, meaning it ate plants. It had leaf-shaped teeth with small bumps on the edges for chewing plants.1 3

?When did Xiaosaurus live?

It lived during the Middle Jurassic, about 170 to 163 million years ago. That is why its name means 'dawn lizard', it was an early dinosaur.1

?Is Xiaosaurus a dinosaur?

Yes, it is a small herbivorous ornithischian dinosaur. It is not a pterosaur or marine reptile.1 3

Dino adituentzat

Izen zientifikoa: Xiaosaurus
Izendatzailea:: Dong and Tang 19833
Taldea: Landarejale mokodunak
Familia / klada: Fabrosauridae3
Sailkapena: Ornithischia3
Arroken adina: 171 eta 155 milioi urte artean (Bajocian / Oxfordian)3
Arroka-formazioak: Shaximiao3
Herrialdeak: Txina3
Fosil-erregistroak: 1 The Paleobiology Database datu-basean3
Aurkikuntza: Chinese paleontologists Dong Zhiming and Tang Zilu named Xiaosaurus in 1983 based on two partial skeletons found near Dashanpu, Sichuan.1 3
Oraindik eztabaidagai: Scientists are not sure exactly where Xiaosaurus belongs in the dinosaur family tree because its fossils are so incomplete. Some think it might be a nomen dubium (doubtful name).1

Datuak nondik datozen

Xiaosaurus (en.wikipedia.org)
A Short Report on the Dinosaur Fauna from Dashanpu, Zigong, Sichuan II Ornithopoda (naturalhistory.si.edu)
Xiaosaurus in The Paleobiology Database (CC BY 4.0): adina, tokiak, arroka-formazioak, sailkapena.

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