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Karete ya dinosaure No. 0882 ho tse 2 027

Irritator

Lebitso le bolela: “the irritator, named for the irritation paleontologists felt when they saw the fossil had been damaged”1

E jele: NamaDispinosaureKretase ya Pele

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

E phetse

dilemo tse dimilione tse 120 ho isa ho 113 tse fetileng3

Kretase ya Pele

Difosili di fumanwe ho

Brazil, in the Romualdo Formation of the Araripe Basin1 3

Bolelele

6 ho isa ho 8 m (20 ho isa ho 26 ft)1

Boima

ditone tse 1 (2,200 lb)1

Bophahamo

2 m (6.6 ft)1

Lebelo le phahameng ka ho fetisisa

e ka bang 29 km/h (18 mph)

Ho matha, kakanyo

E phetse neng?

Triasiki

Jurasiki

Kretase

Dilemo tse dimilione tse 252 tse fetileng20114566, asteroiti

E ne e le kgolo hakae?

E ne e le telele hakae?

E ne e phahame hakae?

E ne e le boima hakae?

boima jwaloka dintja tse 50

telele jwaloka dintja tse 8 ho tloha nkong ho isa mohatlengtelele jwaloka dibanana tse 44 di behilwe ka molaboima jwaloka mahapu a 200boima jwaloka bana ba kereshe ba 53boima jwaloka bana ba sekolo ba 31boima jwaloka dibere tse tshweu tse 2e ne e ka matha dimitara tse 100 ka metsotswana e 12 (motho ya lebelo ka ho fetisisa o hloka 9,6)

Irritator e ne e le kgolo hakae ha e bapiswa le WENA?

Ke dipalo feela ho browser ya hao. Ha ho letho le bolokwang kapa le romelwang kae kapa kae.

E ne e le lebelo hakae?

Motho ya tsamayang ka maoto e ka bang 5 km/h (3 mph)

Ngwana a palame baesekele e ka bang 12 km/h (7 mph)

Irritator e ka bang 29 km/h (18 mph)

Pere e mathang ka matla e ka bang 65 km/h (40 mph)

Lengau e ka bang 100 km/h (62 mph)

dintho tse monate

Dintlha tse monate

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

Setshwantsho sa Irritator se entsweng ke AI — Setshwantsho se entsweng ke AI, se bontshang kamoo Irritator e ka beng e ne e shebahala kateng, se entswe ke khomphutha ho ya ka seo bo-ramahlale ba se tsebang. Ke ho hakanya feela: phoofolo ya nnete e ka nna ya ba e ne e shebahala ka tsela e nngwe, mme ha ho motho ya tsebang mebala ya yona ya nnete.

o botsitse

Dipotso tse botswang haholo ka 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

Mosenyi wa ditshomo

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

Nnete: 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

Bakeng sa ditsebi tsa didinosaure

Lebitso la saense: Irritator
E rehilwe ke: Martill et al. 19963
Sehlopha: Dispinosaure
Lelapa / leloko: Spinosauridae3
Tlhophiso: Theropoda > Spinosauridae3
Dilemo tsa mafika: dilemo tse dimilione tse 120 ho isa ho 113 (Aptian)3
Dibopeho tsa mafika: Romualdo3
Dinaha: Brazil3
Direkoto tsa difosili: 1 ho The Paleobiology Database3
Ho sibollwa: 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
E sa ntse e phehwa kgang: Scientists are still unsure whether Irritator actively hunted pterosaurs or just ate their remains.1

Moo dintlha di tswang teng

Irritator (en.wikipedia.org)
Irritator | Natural History Museum (nhm.ac.uk)
Irritator in The Paleobiology Database (CC BY 4.0): dilemo, dibaka, dibopeho tsa mafika, tlhophiso.

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