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Irritator kartun
Dino kad No. 0882 wɔ 2 027 mu

Irritator

Din no ase: “the irritator, named for the irritation paleontologists felt when they saw the fossil had been damaged”1
Ɔdii: NamSpinosɔɔKretasias Mfiase

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

Ɔtenaa ase
mfeɛ ɔpepem 120 kɔsi 113 a atwam3
Kretasias Mfiase
Wɔhunuu fɔsil wɔ
Brazil, in the Romualdo Formation of the Araripe Basin13
Tenten
6 kɔsi 8 m (20 kɔsi 26 ft)1
Mu duru
ton 1 (2,200 lb)1
Korɔn
2 m (6.6 ft)1
Ntɛmntɛm a ɛsen biara
bɛyɛ 29 km/h (18 mph)
Mmirikatuo, nsusuiɛ

Berɛ bɛn na ɛtenaa ase?

Triasik
Jurasik
Kretasias
mfeɛ ɔpepem 252 a atwam20114566, ɔsoro ɛboɔ no

Na ne kɛseɛ yɛ sɛn?

Na ne tenten yɛ sɛn?

Irritator ne tenten bɛyɛ 8 m (26 ft)Ɔpanin sakre bɛyɛ 1.8 m (5.9 ft)Kaa bɛyɛ 4.5 m (15 ft)Ɔsono, asase so aboa a ɔsõ sen biara nnɛ bɛyɛ 6.5 m (21 ft)

Na ne korɔn yɛ sɛn?

Kramanbɛyɛ 0.5 m (1.6 ft)Ɔpɔnkɔbɛyɛ 1.6 m (5.2 ft)Irritatorne korɔn bɛyɛ 2 m (6.6 ft)Ɔsonobɛyɛ 3.2 m (10 ft)

Na ne mu yɛ duru sɛn?

ne mu duru te sɛ nkraman 50
ne tenten te sɛ nkraman 8 firi hwene kɔsi duane tenten te sɛ kwadu 44 a wɔde abɔ toatoa sone mu duru te sɛ watamɛlɔn 200ne mu duru te sɛ nkɔkɔaa sukuu mmofra 53ne mu duru te sɛ sukuu mmofra 31ne mu duru te sɛ polar bea 2anka ɔbɛtumi atu mmirika mita 100 wɔ sikɛn 12 mu (onipa a ɔyɛ ntɛm sen biara hia 9.6)

Irritator kɛseɛ yɛ sɛn sɛ wode toto WO ho a?

Akontaa nko ara wɔ wo browser mu. Yɛnkora biribiara so, na yɛmmfa biribiara nkɔ baabiara.

Na ɛyɛ ntɛm sɛn?

nneɛma a ɛyɛ fɛ

Nsɛm a ɛyɛ anigye

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

AI na ɛyɛeɛIrritator mfonini a AI yɛeɛ
Yei yɛ Irritator mfonini a AI yɛeɛ, sɛdeɛ ebia na ɔteɛ. Kɔmputa na ɛyɛeɛ firi deɛ nyansahufoɔ nim mu. Ɛyɛ nsusuiɛ: ebia na aboa ankasa no nte saa, na obiara nnim ne kɔla ankasa.
wobisaeɛ

Nsɛm a wɔbisa bebree fa Irritator ho

?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

Atosɛm sɛefoɔ

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

Nokorɛ: 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

Ma dino ho animdefoɔ

Nyansahu din
Irritator
Obi a ɔtoo din
Martill et al. 19963
Kuo
Spinosɔɔ
Abusua / kuo kɛseɛ
Spinosauridae3
Nkyekyɛmu
Theropoda > Spinosauridae3
Abotan no mfeɛ
mfeɛ ɔpepem 120 kɔsi 113 (Aptian)3
Abotan nhyehyɛeɛ
Romualdo3
Aman
Brazil3
Fɔsil nkyerɛwee
1 wɔ The Paleobiology Database mu3
Nhunumu
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
Wɔda so gye ho akyinnye
Scientists are still unsure whether Irritator actively hunted pterosaurs or just ate their remains.1

Baabi a nsɛm no firi

  1. Irritator (en.wikipedia.org)
  2. Irritator | Natural History Museum (nhm.ac.uk)
  3. Irritator in The Paleobiology Database (CC BY 4.0): mfeɛ, mmeaeɛ, abotan nhyehyɛeɛ, nkyekyɛmu.

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