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Spotprent van Irritator
Dinokaart nr. 0882 van 2 027

Irritator

Naam beteken: “the irritator, named for the irritation paleontologists felt when they saw the fossil had been damaged”1
Het geëet: VleisSpinosourusseVroeë Kryt

Irritator was a meat-eating dinosaur with a long, narrow snout and a small crest on its head. It lived in what is now Brazil about 110 million years ago. It is one of the smallest spinosaurs known.1

Het geleef
120 tot 113 miljoen jaar gelede3
Vroeë Kryt
Fossiele gevind in
Brazil, in the Romualdo Formation of the Araripe Basin13
Lengte
6 tot 8 m (20 tot 26 ft)1
Gewig
1 ton (2 200 lb)1
Hoogte
2 m (6,6 ft)1
Topspoed
omtrent 29 km/h (18 mph)
Hardloop, skatting

Wanneer het dit geleef?

Trias
Jura
Kryt
252 miljoen jaar gelede20114566, die asteroïde

Hoe groot was dit?

Hoe lank was dit?

Irritator omtrent 8 m lank (26 ft)'n Grootmensfiets omtrent 1,8 m (5,9 ft)'n Motor omtrent 4,5 m (15 ft)'n Olifant, die grootste landdier vandag omtrent 6,5 m (21 ft)

Hoe hoog was dit?

'n Hondomtrent 0,5 m (1,6 ft)'n Perdomtrent 1,6 m (5,2 ft)Irritatoromtrent 2 m hoog (6,6 ft)'n Olifantomtrent 3,2 m (10 ft)

Hoe swaar was dit?

so swaar soos 50 honde
so lank soos 8 honde van neus tot stertso lank soos 44 piesangs punt aan puntso swaar soos 200 waatlemoeneso swaar soos 53 kleuterskoolkindersso swaar soos 31 skoolkindersso swaar soos 2 ysberekon 100 meter in 12 sekondes hardloop (die vinnigste mens het 9,6 nodig)

Hoe groot was Irritator vergeleke met JOU?

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

Hoe vinnig was dit?

cool goed

Prettige feite

1

Irritator's skull is the most complete skull of any spinosaurid dinosaur ever found.1

2

Its name comes from the irritation scientists felt because fossil collectors had damaged and altered the skull before it was studied.1

3

A tooth from Irritator was found stuck in the neck bone of a pterosaur, showing that it ate pterosaurs, either by hunting or scavenging.1

4

Irritator had a thin crest on top of its head, and strong neck muscles were probably attached there.1

5

Its nostrils were positioned far back on its snout, not at the tip like in many other dinosaurs.1

6

Irritator lived in a coastal lagoon environment that was surrounded by dry areas.1

7

The fossil was originally thought to be from a pterosaur, then a maniraptoran dinosaur, before being identified as a spinosaurid in 1996.1

Deur KI gemaakKI-prent van Irritator
'n KI-prent van hoe Irritator 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 Irritator

?How big was Irritator?

About 6 to 8 metres (20 to 26 feet) long and weighed around 1 tonne (1.1 short tons). It was one of the smallest spinosaurids.1

?What did Irritator eat?

It ate fish and other small animals, like today's crocodiles. A tooth was found stuck in a pterosaur neck bone, so it also ate pterosaurs, either by hunting or scavenging.1

?Why is it called Irritator?

Its name comes from the word 'irritation' because scientists were annoyed that fossil collectors had damaged and altered the skull before they could study it.1

?Did Irritator have feathers?

Nobody knows for sure. No fossil feathers have been found with Irritator, and most spinosaurids are not known to have had feathers.1

?Could Irritator swim?

It may have been semiaquatic, meaning it spent time in water. It lived in a coastal lagoon and probably hunted fish, like today's crocodiles.1

?Was Irritator bigger than T. rex?

No, it was much smaller. Irritator was about 6 to 8 metres long, while T. rex could be over 12 metres long.1

?Did Irritator have a sail on its back?

One possible skeleton suggests it had a sail, like other spinosaurids, but since only a skull has been found, the sail is a guess.2

?When did Irritator live?

It lived during the Early Cretaceous Period, about 113 to 110 million years ago.1

Mite-breker

Mite: Some people think Irritator was a fully aquatic dinosaur that only ate fish.

Waarheid: Scientists think Irritator was a generalist eater, catching fish and other small prey, and it may have also scavenged. It probably lived both on land and in water.1

Vir dino-kenners

Wetenskaplike naam
Irritator
Benoem deur
Martill et al. 19963
Groep
Spinosourusse
Familie / klade
Spinosauridae3
Klassifikasie
Theropoda > Spinosauridae3
Ouderdom van die rotse
120 tot 113 miljoen jaar (Aptian)3
Rotsformasies
Romualdo3
Lande
Brasilië3
Fossielrekords
1 in The Paleobiology Database3
Ontdekking
The skull was found by fossil dealers in Brazil and sold to a museum in Germany. It was described by Martill and colleagues in 1996, and the species was named Irritator challengeri.13
Steeds omstrede
Scientists are still unsure whether Irritator actively hunted pterosaurs or just ate their remains.1

Waar die feite vandaan kom

  1. Irritator (en.wikipedia.org)
  2. Irritator | Natural History Museum (nhm.ac.uk)
  3. Irritator in The Paleobiology Database (CC BY 4.0): ouderdom, plekke, rotsformasies, klassifikasie.

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