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Rajasaurus

Naam beteken: “princely lizard”1

Het geëet: VleisVleisvretende dino'sLaat Kryt

Rajasaurus was a meat-eating dinosaur that lived in India near the end of the Cretaceous Period. It had a single short horn on its forehead and used its strong neck and jaws to catch prey. This dinosaur was an ambush predator, hiding and then pouncing on its food.1

Het geleef

72 tot 66 miljoen jaar gelede4

Laat Kryt

Fossiele gevind in

Gujarat and Madhya Pradesh, India2 4

Lengte

6,6 m (22 ft)1 2

Gewig

4 ton (8 800 lb)2

Hoogte

2,44 m (8 ft)3

Topspoed

omtrent 25 km/h (16 mph)

Hardloop, skatting

Wanneer het dit geleef?

Trias

Jura

Kryt

252 miljoen jaar gelede20114566, die asteroïde

Hoe groot was dit?

Hoe lank was dit?

Hoe hoog was dit?

Hoe swaar was dit?

so swaar soos 2,5 motors

so lank soos 7 honde van neus tot stertso lank soos 37 piesangs punt aan puntso swaar soos 200 hondeso swaar soos 800 waatlemoeneso swaar soos 5 hele skoolklasse vol kindersso swaar soos 9 ysberekon 100 meter in 14 sekondes hardloop (die vinnigste mens het 9,6 nodig)

Hoe groot was Rajasaurus vergeleke met JOU?

Net wiskunde in jou blaaier. Niks word gestoor of êrens heen gestuur nie.

Hoe vinnig was dit?

'n Mens wat loop omtrent 5 km/h (3 mph)

'n Kind op 'n fiets omtrent 12 km/h (7 mph)

Rajasaurus omtrent 25 km/h (16 mph)

'n Galopperende perd omtrent 65 km/h (40 mph)

'n Jagluiperd omtrent 100 km/h (62 mph)

cool goed

Prettige feite

Rajasaurus had a single low horn on its forehead made mostly of nasal bone, unlike the horn of its relative Majungasaurus.2

It was one of the larger abelisaurids, measuring about 6.6 metres (22 feet) long.1

Rajasaurus lived on the island of India during the Late Cretaceous, when India was isolated from other continents.1

Its fossils were found in the Lameta Formation, which was once a river valley with an arid or semi-arid climate.2

The horn on its head might have been used for display or for head-butting other Rajasaurus during fights.1 2

Rajasaurus had short arms and four fingers, so it relied on its powerful head and jaws to catch prey.2

It is the first Indian theropod dinosaur to have preserved bones from the spine, hips, legs, and tail.2

KI-prent van Rajasaurus — 'n KI-prent van hoe Rajasaurus dalk gelyk het, deur 'n rekenaar gemaak uit wat wetenskaplikes weet. Dit is 'n raaiskoot: die regte dier het dalk anders gelyk, en niemand weet wat sy regte kleure was nie.

julle het gevra

Mees gevraagde vrae oor Rajasaurus

?How big was Rajasaurus?

Rajasaurus was about 6.6 metres (22 feet) long, though one scientist estimated it at 11 metres (36 feet). It weighed around 4 metric tons (4.4 short tons).2 1

?What did Rajasaurus eat?

Rajasaurus was a carnivore that ate meat. It probably hunted large prey like sauropod dinosaurs and may have also scavenged for food.1 3

?Did Rajasaurus have feathers?

No one knows for sure. The fossils don't show feathers, and most abelisaurids are not known to have had them, but some scientists think many theropods might have had simple feathers.2 1

?Was Rajasaurus bigger than T. rex?

No, Rajasaurus was smaller. T. rex could reach about 12 metres (40 feet) long, while Rajasaurus was only about 6.6 metres (22 feet) long.1 2

?Why did Rajasaurus have a horn?

The horn was probably used for display to attract mates or for head-butting other Rajasaurus during fights. It was made mostly of nasal bone.1 2

?Could Rajasaurus swim?

Probably not. It was a land dinosaur with strong legs for walking and running, not swimming. It lived near rivers but likely stayed on land.2 1

?When did Rajasaurus live?

Rajasaurus lived during the Late Cretaceous period, about 72 to 66 million years ago, right before the dinosaurs went extinct.1 2

?What would happen if Rajasaurus was alive today?

It would be a large predator, but it would probably not survive well because its habitat and prey are gone. It might be kept in zoos or studied by scientists.1 2

Vir dino-kenners

Wetenskaplike naam: Rajasaurus
Benoem deur: Wilson et al. 20034
Groep: Vleisvretende dino's
Familie / klade: Abelisauridae4
Klassifikasie: Theropoda > Ceratosauria > Abelisauridae4
Ouderdom van die rotse: 72 tot 66 miljoen jaar (Maastrichtian)4
Rotsformasies: Lameta4
Lande: Indië4
Fossielrekords: 1 in The Paleobiology Database4
Ontdekking: Rajasaurus was named in 2003 by Jeffrey A. Wilson and colleagues. The fossils were found in the Lameta Formation of Gujarat, India, after dinosaur eggs were discovered there in 1981.2 4
Steeds omstrede: Scientists are not sure what the horn on its head was used for. It may have been for display or for head-butting, but no one knows for certain.1

Waar die feite vandaan kom

Rajasaurus | Natural History Museum (nhm.ac.uk)
Rajasaurus (en.wikipedia.org)
Discoveries | Paul Sereno - Paleontologist | The University of Chicago (paulsereno.uchicago.edu)
Rajasaurus in The Paleobiology Database (CC BY 4.0): ouderdom, plekke, rotsformasies, klassifikasie.

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