Khadi la dino Na. 0882 mwa 2 027

Irritator

Dzina limatanthauza: “the irritator, named for the irritation paleontologists felt when they saw the fossil had been damaged”1

Ankadya: NyamaMaspinosauriKumayambiriro kwa Kretase

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

Ankakhala

zaka 120 mpaka 113 miliyoni zapitazo3

Kumayambiriro kwa Kretase

Mafosili apezeka ku

Brazil, in the Romualdo Formation of the Araripe Basin1 3

Utali

6 mpaka 8 m (20 mpaka 26 ft)1

Kulemera

matani 1 (2,200 lb)1

Msinkhu

2 m (6.6 ft)1

Liwiro lalikulu kwambiri

pafupifupi 29 km/h (18 mph)

Kuthamanga, kuyerekeza

Ankakhala liti?

Triasiki

Jurasiki

Kretase

Zaka 252 miliyoni zapitazo20114566, asteroidi

Anali wamkulu bwanji?

Anali wautali bwanji?

Msinkhu wake unali wautali bwanji?

Ankalemera bwanji?

wolemera ngati agalu 50

wautali ngati agalu 8 otsatizana mphuno ndi mchirawautali ngati nthochi 44 zotsatizanawolemera ngati mavwende 200wolemera ngati ana a sukulu ya mkaka 53wolemera ngati ana a sukulu 31wolemera ngati zimbalangondo zoyera 2akanatha kuthamanga mamita 100 m'masekondi 12 (munthu waliwiro kwambiri amafunika 9.6)

Irritator anali wamkulu bwanji poyerekeza ndi IWEYO?

Ndi masamu chabe mu msakatuli wako. Palibe chimene chimasungidwa kapena kutumizidwa kwina kulikonse.

Anali ndi liwiro lotani?

Munthu akuyenda pafupifupi 5 km/h (3 mph)

Mwana pa njinga pafupifupi 12 km/h (7 mph)

Irritator pafupifupi 29 km/h (18 mph)

Hatchi ikuthamanga pafupifupi 65 km/h (40 mph)

Kakwiyo pafupifupi 100 km/h (62 mph)

zinthu zosangalatsa

Mfundo zosangalatsa

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

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

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

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

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

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

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

Chithunzi cha Irritator chopangidwa ndi AI — Chithunzi cha momwe Irritator mwina ankaonekera, chopangidwa ndi kompyuta kuchokera pa zomwe asayansi amadziwa. Ndi kungoyerekeza: nyama yeniyeniyo mwina inkaoneka mosiyana, ndipo palibe amene akudziwa mitundu yake yeniyeni.

mwafunsa

Mafunso ofunsidwa kwambiri okhudza 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

Wothetsa nthano zabodza

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

Zoona: 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

Kwa akatswiri a madino

Dzina la sayansi: Irritator
Anapatsidwa dzina ndi: Martill et al. 19963
Gulu: Maspinosauri
Banja / kladi: Spinosauridae3
Magawidwe a sayansi: Theropoda > Spinosauridae3
Zaka za miyala: zaka 120 mpaka 113 miliyoni (Aptian)3
Mapangidwe a miyala: Romualdo3
Mayiko: Brazil3
Zolemba za mafosili: 1 mu The Paleobiology Database3
Kupezeka: 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.1 3
Akukambiranabe: Scientists are still unsure whether Irritator actively hunted pterosaurs or just ate their remains.1

Kumene mfundo zimachokera

Irritator (en.wikipedia.org)
Irritator | Natural History Museum (nhm.ac.uk)
Irritator in The Paleobiology Database (CC BY 4.0): zaka, malo, mapangidwe a miyala, magawidwe a sayansi.

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