Dino Wiki / Zonke iidayinaso / Iispinosauri

Ikhadi ledayinaso No. 0882 kwe-2 027

Irritator

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

Yayitya: InyamaIispinosauriiCretaceous yokuqala

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

Yaphila

120 ukuya ku-113 izigidi zeminyaka eyadlulayo3

iCretaceous yokuqala

Iifosili zifunyenwe:

Brazil, in the Romualdo Formation of the Araripe Basin1 3

Ubude

6 ukuya ku-8 m (20 ukuya ku-26 ft)1

Ubunzima

1 iitoni (2,200 lb)1

Ukuphakama

2 m (6.6 ft)1

Esona santya siphezulu

malunga ne-29 km/h (18 mph)

Ukubaleka, uqikelelo

Yaphila nini?

iTriassic

iJurassic

iCretaceous

Izigidi ezingama-252 zeminyaka eyadlulayo20114566, i-asteroyidi

Yayinkulu kangakanani?

Yayinde kangakanani?

Yayiphakame kangakanani?

Yayinzima kangakanani?

inzima njengezinja ezingama-50

inde njengezinja ezingama-8, impumlo ukuya emsileniinde njengeebhanana ezingama-44 zilandelelanainzima njengamavatala angama-200inzima njengabantwana basenkulisa abangama-53inzima njengabantwana besikolo abangama-31inzima njengeebhere ezimhlophe ezingama-2ibinokubaleka iimitha ezili-100 ngemizuzwana engama-12 (oyena mntu ukhawulezayo udinga i-9,6)

Irritator wayemkhulu kangakanani xa ethelekiswa NAWE?

Yimathematika nje kwibhrawuza yakho. Akukho nto igcinwayo okanye ithunyelwe naphi na.

Yayikhawuleza kangakanani?

Umntu ohambayo malunga ne-5 km/h (3 mph)

Umntwana ekhwele ibhayisikile malunga ne-12 km/h (7 mph)

Irritator malunga ne-29 km/h (18 mph)

Ihashe elibaleka ngamandla malunga ne-65 km/h (40 mph)

Ingwenkala malunga ne-100 km/h (62 mph)

izinto ezimnandi

Iinyani ezimnandi

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

Umfanekiso owenziwe yi-AI: Irritator — Umfanekiso owenziwe yi-AI obonisa indlela Irritator esenokuba wayekhangeleka ngayo, wenziwe yikhompyutha ngokwento eyaziwa zizazinzulu. Kukuqikelela nje: esona silwanyana sinokuba sasikhangeleka ngenye indlela, kwaye akukho mntu waziyo imibala yaso yokwenyani.

ubuzile

Eyona mibuzo ibuzwa kakhulu: 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

Inyaniso ngeentsomi

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

Inyaniso: 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

Kwiingcali zeedayinaso

Igama lenzululwazi: Irritator
Inikwe igama ngu:: Martill et al. 19963
Iqela: Iispinosauri
Usapho / iclade: Spinosauridae3
Ukuhlelwa: Theropoda > Spinosauridae3
Ubudala bamatye: 120 ukuya ku-113 izigidi zeminyaka (Aptian)3
Izakhiwo zamatye: Romualdo3
Amazwe: iBrazil3
Iirekhodi zeefosili: 1 kwi-Paleobiology Database3
Ukufunyanwa: 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
Kusaxoxwa ngayo: Scientists are still unsure whether Irritator actively hunted pterosaurs or just ate their remains.1

Apho iinyani zivela khona

Irritator (en.wikipedia.org)
Irritator | Natural History Museum (nhm.ac.uk)
Irritator in The Paleobiology Database (CC BY 4.0): ubudala, iindawo, izakhiwo zamatye, ukuhlelwa.

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