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Dryptosaurus

Izenaren esanahia: “tearing lizard”1

Jaten zuen: HaragiaTiranosauroakBehe Kretazeoa eta Goi Kretazeoa artean

Dryptosaurus was a fierce meat-eating dinosaur that lived on the East Coast of the United States. It had strong arms with big claws and sharp, blade-like teeth. It was an early cousin of the famous Tyrannosaurus rex.1

Bizi izan zen

Duela 113 eta 66 milioi urte artean5

Behe Kretazeoa eta Goi Kretazeoa artean

Fosilak hemen aurkitu dira:

New Jersey, USA, and possibly North Carolina and Wyoming, USA1 3

Luzera

6,4 eta 7,5 m artean (21 eta 25 ft artean)2 1

Pisua

756 kg eta 1,5 tona artean (1 700 eta 3 300 lb artean)1

Altuera

2,5 m (8,2 ft)

kalkulua

Abiadura maximoa

36 km/h inguru (22 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?

1 auto bezain astun

8 txakur bezain luze, sudurretik buztanerabata bestearen atzean jarritako 42 banana bezain luze75 txakur bezain astun300 angurria bezain astunhaur-eskolako 79 haur bezain astun47 eskolaume bezain astun3 hartz zuri bezain astun100 metro 10 segundotan egin zitzakeen korrika (gizakirik azkarrenak 9,6 behar ditu)

Zein handia zen Dryptosaurus 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)

Dryptosaurus 36 km/h inguru (22 mph)

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

Gepardo bat 100 km/h inguru (62 mph)

gauza bikainak

Datu dibertigarriak

Dryptosaurus had long arms with big claws, unlike later tyrannosaurs like T. rex which had tiny arms.1

Its teeth were ziphodont, meaning they were sharp, blade-like, and flattened from side to side, different from the thick teeth of larger tyrannosaurs.1

Dryptosaurus lived on the East Coast of the United States, which was part of an island continent called Appalachia during the Late Cretaceous.1

The first Dryptosaurus skeleton was found by fertilizer miners in New Jersey, and it was one of the first nearly complete theropod skeletons discovered in North America.1

Dryptosaurus fossils were found in a marine formation, meaning the dinosaur's body floated out to sea and sank to the ocean floor before becoming fossilized.1

Scientists think Dryptosaurus was an intermediate tyrannosaur, more lightly built than later giants like T. rex but more advanced than early small tyrannosaurs.1

Dryptosaurus: AAk egindako irudia — Dryptosaurus 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

Dryptosaurus: gehien egindako galderak

?How big was Dryptosaurus?

Dryptosaurus was about 7.5 metres (25 ft) long and weighed between 756 and 1,500 kilograms (1,667 to 3,307 lb). These are estimates based on a single partial skeleton.1

?Was Dryptosaurus bigger than T. rex?

No, Dryptosaurus was much smaller than T. rex. T. rex could be over 12 metres long, while Dryptosaurus was only about 7.5 metres long.1

?What did Dryptosaurus eat?

Dryptosaurus was a carnivore, meaning it ate meat. It likely hunted other animals and may have used its arms and jaws as weapons to catch prey.1 4

?Did Dryptosaurus have feathers?

No one knows for sure. The fossils don't show feathers, and scientists haven't found any evidence of them on Dryptosaurus.1

?When did Dryptosaurus live?

Dryptosaurus lived during the Late Cretaceous period, about 67 to 66 million years ago. That's just before the dinosaurs went extinct.1 2

?Where was Dryptosaurus found?

Dryptosaurus fossils were found in New Jersey, USA. They were discovered by fertilizer miners in a quarry near Barnsboro.1 4

?Why did Dryptosaurus have big claws?

Scientists think Dryptosaurus used its big claws and strong arms as weapons to catch and hold onto prey. Its claws were about 20 centimetres (8 inches) long.1

?Is Dryptosaurus a dinosaur?

Yes, Dryptosaurus is a dinosaur. It was a theropod, a group of meat-eating dinosaurs that walked on two legs.1

Mito-hauslea

Mitoa: Some people think Dryptosaurus was a type of bird because its name sounds similar to 'dromaeosaur'.

Egia: Dryptosaurus was a theropod dinosaur, closely related to Tyrannosaurus rex, not a bird. It belonged to the group Tyrannosauroidea.1

Dino adituentzat

Izen zientifikoa: Dryptosaurus
Izendatzailea:: Marsh 18775
Taldea: Tiranosauroak
Familia / klada: Tyrannosauroidea5
Sailkapena: Theropoda > Tyrannosauroidea5
Arroken adina: 113 eta 66 milioi urte artean (Albian / Maastrichtian)5
Arroka-formazioak: Lance, Marshalltown, New Egypt5
Herrialdeak: AEB5
Fosil-erregistroak: 13 The Paleobiology Database datu-basean5
Honela ere ezaguna: Laelaps (orain animalia bertzat hartzen diren izen zaharragoak)5
Aurkikuntza: The first Dryptosaurus fossils were found in 1866 by workers at a marl pit in New Jersey. Edward Drinker Cope described them as Laelaps aquilunguis, but later Othniel Marsh renamed the dinosaur Dryptosaurus in 1877.1 2
Oraindik eztabaidagai: Scientists are not sure about the exact size of Dryptosaurus, with estimates ranging from 6.4 to 7.5 metres long. They also debate whether some fragmentary fossils from other states belong to Dryptosaurus.1 2

Datuak nondik datozen

Dryptosaurus (en.wikipedia.org)
Dryptosaurus | Natural History Museum (nhm.ac.uk)
PBDB Taxon (paleobiodb.org)
The Anatomy of Dryptosaurus aquilunguis (Dinosauria: Theropoda) and a Review of Its Tyrannosauroid Affinities (bioone.org)
Dryptosaurus in The Paleobiology Database (CC BY 4.0): adina, tokiak, arroka-formazioak, sailkapena.

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