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Demandasaurus: marrazkia
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Demandasaurus

Izenaren esanahia: “Demanda lizard, named after the Sierra de la Demanda mountain range in Spain”1
Jaten zuen: LandareakLepo-luzeakBehe Kretazeoa

Demandasaurus was a medium-sized, long-necked dinosaur that lived in what is now Spain about 125 million years ago. It was a plant-eater with a special set of teeth that had ridges on the enamel, like tiny bumps on your teeth.1

Bizi izan zen
Duela 126 eta 120 milioi urte artean4
Behe Kretazeoa
Fosilak hemen aurkitu dira:
Burgos Province, Spain1
Luzera
10 eta 12 m artean (33 eta 39 ft artean)2
Altuera
2,9 m (9,5 ft)
kalkulua
Abiadura maximoa
19 km/h inguru (12 mph)
Korrika egitea, kalkulua

Noiz bizi izan zen?

Triasikoa
Jurasikoa
Kretazeoa
Duela 252 milioi urte20114566, asteroidea

Zein handia zen?

Zein luzea zen?

Demandasaurus 12 m inguru luze (39 ft)Heldu baten bizikleta 1,8 m inguru (5,9 ft)Auto bat 4,5 m inguru (15 ft)Elefante bat, gaur egungo lehorreko animaliarik handiena 6,5 m inguru (21 ft)

Zein altua zen?

Txakur bat0,5 m inguru (1,6 ft)Zaldi bat1,6 m inguru (5,2 ft)Demandasaurus2,9 m inguru altu (9,5 ft)Elefante bat3,2 m inguru (10 ft)

kalkulua

ilaran aparkatutako 2,5 auto bezain luzebata bestearen atzean jarritako 67 banana bezain luze100 metro 19 segundotan egin zitzakeen korrika (gizakirik azkarrenak 9,6 behar ditu)

Zein handia zen Demandasaurus ZUREKIN alderatuta?

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

Zein azkarra zen?

gauza bikainak

Datu dibertigarriak

1

Demandasaurus is the first diplodocoid sauropod ever described from the Cretaceous of the Iberian Peninsula (Spain and Portugal).2

2

Its closest relative is Nigersaurus, a dinosaur from Africa. This suggests that dinosaurs moved between Europe and Africa during the Early Cretaceous using a land bridge called the Apulian Route.2

3

The fossil skeleton of Demandasaurus was found disarticulated (bones scattered) in a river deposit, along with bones of spinosaurid theropods, small ornithopods, and a crocodile.1

4

Scientists identified nine unique features (autapomorphies) in the teeth and vertebrae of Demandasaurus that are not seen in any other dinosaur.2

5

The name Demandasaurus honors the Sierra de la Demanda mountain range, and the species name darwini celebrates the naturalist Charles Darwin.1

6

About 810 fossil bones and fragments were collected from the site, most belonging to a single Demandasaurus individual.1

AAk eginaDemandasaurus: AAk egindako irudia
Demandasaurus 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

Demandasaurus: gehien egindako galderak

?How big was Demandasaurus?

It was a medium sized sauropod, about 10 to 12 metres long. It stood about 3.5 metres tall at the hip and weighed around 5 tonnes.23

?What did Demandasaurus eat?

It was a plant-eater. Its teeth had special ridges on the enamel, like tiny bumps, which helped it chew tough plants.1

?Where was Demandasaurus found?

Its fossils were discovered in the Castrillo de la Reina Formation in Burgos Province, northern Spain. The site is called Tenadas de los Vallejos II.12

?Is Demandasaurus related to Nigersaurus?

Yes, its closest relative is Nigersaurus from Africa. This close relationship suggests that dinosaurs moved between Europe and Africa using a land bridge called the Apulian Route.12

Dino adituentzat

Izen zientifikoa
Demandasaurus
Izendatzailea:
Torcida Fernández-Baldor et al. 20114
Taldea
Lepo-luzeak
Familia / klada
Rebbachisauridae4
Sailkapena
Sauropodomorpha > Sauropoda > Diplodocoidea4
Arroken adina
126 eta 120 milioi urte artean (Barremian / Aptian)4
Arroka-formazioak
Castrillo de la Reina4
Herrialdeak
Espainia4
Fosil-erregistroak
2 The Paleobiology Database datu-basean4
Aurkikuntza
Demandasaurus was discovered in 1999 by the Archaeological-Palaeontological Group of Salas de los Infantes, and excavations took place from 2002 to 2004. It was named in 2011 by Fidel Torcida Fernández-Baldor and colleagues.1
Oraindik eztabaidagai
Scientists are not sure exactly how large Demandasaurus grew, because only one incomplete skeleton has been found.2

Datuak nondik datozen

  1. Demandasaurus (en.wikipedia.org)
  2. Demandasaurus darwini, a new rebbachisaurid sauropod from the Early Cretaceous of the Iberian Peninsula (app.pan.pl)
  3. Demandasaurus darwini (es.wikipedia.org)
  4. Demandasaurus in The Paleobiology Database (CC BY 4.0): adina, tokiak, arroka-formazioak, sailkapena.

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