Dino txartela, 0244. zk. (2 027 guztira)

Barosaurus

Izenaren esanahia: “heavy lizard”1

Jaten zuen: LandareakLepo-luzeakGoi Jurasikoa eta Behe Kretazeoa artean

Barosaurus was a giant, long-necked plant eater that lived about 150 million years ago. It was one of the biggest animals of its time, with a neck so long it could reach high into the trees. But it probably kept its head low and swept its neck like a vacuum cleaner to munch on plants.1 2

Bizi izan zen

Duela 158 eta 143 milioi urte artean4

Goi Jurasikoa eta Behe Kretazeoa artean

Fosilak hemen aurkitu dira:

Fossils have been found in the United States (South Dakota, Utah, Montana, and possibly Colorado, Wyoming, and Oklahoma) and in Tanzania and Zimbabwe in Africa.1 2 4

Luzera

25 eta 27 m artean (82 eta 89 ft artean)1

Pisua

12 tona eta 20 tona artean (26 500 eta 44 100 lb artean)1

Altuera

5,8 m (19 ft)

kalkulua

Abiadura maximoa

13 km/h inguru (8 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

Zein astuna zen?

3 elefante bezain astun

ilaran aparkatutako 6 auto bezain luzebata bestearen atzean jarritako 150 banana bezain luze13 auto bezain astun4000 angurria bezain astunhaurrez betetako 25 ikasgela oso bezain astun44 hartz zuri bezain astun2. solairuko leiho batetik begiratzeko bezain altua100 metro 28 segundotan egin zitzakeen korrika (gizakirik azkarrenak 9,6 behar ditu)

Zein handia zen Barosaurus 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)

Barosaurus 13 km/h inguru (8 mph)

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

Gepardo bat 100 km/h inguru (62 mph)

gauza bikainak

Datu dibertigarriak

Barosaurus had 16 neck bones, more than its close relatives Diplodocus and Apatosaurus, and some of those neck bones were up to 50% longer.1

Its tail made up about half of its total body length, even though its tail was shorter than Diplodocus's tail.1

Barosaurus had only 9 back bones, while Diplodocus and Apatosaurus had 10. Scientists think one back bone may have turned into a neck bone.1

A study from 2016 suggested that Barosaurus could bend its neck from side to side a lot, but not up and down much. So it probably fed on low plants, not high trees.1

Some scientists think a dinosaur this big would have needed a huge 1.6-ton heart, and maybe even extra 'helper hearts' in its neck to pump blood to its brain.1

Barosaurus lived alongside famous dinosaurs like Allosaurus, Stegosaurus, and Brontosaurus in the Morrison Formation.1

Barosaurus: AAk egindako irudia — Barosaurus 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

Barosaurus: gehien egindako galderak

?How big was Barosaurus?

About 25 to 27 metres (82 to 89 feet) long and weighed 12 to 20 tonnes (13 to 22 short tons).1

?What did Barosaurus eat?

It was a plant eater (herbivore). It probably fed on low plants by sweeping its neck from side to side like a vacuum cleaner.1 2

?When did Barosaurus live?

It lived during the Late Jurassic period, about 152 to 150 million years ago.1

?Where was Barosaurus found?

Fossils have been found in the United States, especially in South Dakota, Utah, Montana, and possibly Colorado, Wyoming, and Oklahoma.1

?Is Barosaurus a dinosaur?

Yes, it is a dinosaur, a large sauropod dinosaur.1

?Was Barosaurus bigger than T. rex?

Yes, Barosaurus was much longer and heavier than Tyrannosaurus rex. Barosaurus reached 25 to 27 metres, while T. rex was about 12 metres long.1

?Did Barosaurus have feathers?

No one knows for sure, but no feathers have been found on Barosaurus fossils. A rare skin imprint shows scales, not feathers.3

?Could Barosaurus swim?

Probably not. It was a land animal with a long neck and tail, built for walking on land, not swimming.1

Mito-hauslea

Mitoa: Some people think Barosaurus is the same as Brontosaurus or Diplodocus.

Egia: Barosaurus is a different genus, though it is closely related to Diplodocus. It had a longer neck and shorter tail than Diplodocus.1

Dino adituentzat

Izen zientifikoa: Barosaurus
Izendatzailea:: Marsh 18904
Taldea: Lepo-luzeak
Familia / klada: Diplodocidae4
Sailkapena: Sauropodomorpha > Sauropoda > Diplodocoidea4
Arroken adina: 158 eta 143 milioi urte artean ()4
Arroka-formazioak: Morrison, Kadzi4
Herrialdeak: AEB, Zimbabwe4
Fosil-erregistroak: 19 The Paleobiology Database datu-basean4
Honela ere ezaguna: Gigantosaurus (orain animalia bertzat hartzen diren izen zaharragoak)4
Aurkikuntza: The first Barosaurus fossils were found in 1889 in South Dakota by Isabella R. Ellerman, and then excavated by Othniel Charles Marsh and John Bell Hatcher. Marsh named it Barosaurus lentus in 1890.1
Oraindik eztabaidagai: Scientists still debate how Barosaurus held its neck and how blood reached its brain. Some think it held its neck low, while others think it could raise it high.1

Datuak nondik datozen

Barosaurus (en.wikipedia.org)
Barosaurus | Natural History Museum (nhm.ac.uk)
Barosaurus lentus - Dinosaur National Monument (U.S. National Park Service) (nps.gov)
Barosaurus in The Paleobiology Database (CC BY 4.0): adina, tokiak, arroka-formazioak, sailkapena.

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