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Ikhadi ledayinaso No. 1829 kwe-2 027

Trierarchuncus

Igama lithetha: “captain hook”1

Yayitya: IzinambuzaneIidayinaso ezingaqhelekanga ezineentsibaiCretaceous yamva

Trierarchuncus was a tiny, feathered dinosaur that lived right at the end of the age of dinosaurs. It had short arms with just one big claw on each hand, like a hook. It ran fast on its long legs and probably ate insects and small animals.1

Yaphila

72 ukuya ku-66 izigidi zeminyaka eyadlulayo3

iCretaceous yamva

Iifosili zifunyenwe:

Montana, USA, and possibly Wyoming, USA1 3

Ubude

0.5 ukuya ku-1 m (1.6 ukuya ku-3.3 ft)1

Ubunzima

2 kg ukuya ku-5 kg (4 ukuya ku-11 lb)1

Ukuphakama

0.3 ukuya ku-0.5 m (1 ukuya ku-1.6 ft)1

Esona santya siphezulu

malunga ne-30 km/h (19 mph)

Ukubaleka, uqikelelo

Yaphila nini?

iTriassic

iJurassic

iCretaceous

Izigidi ezingama-252 zeminyaka eyadlulayo20114566, i-asteroyidi

Yayinkulu kangakanani?

Yayinde kangakanani?

Yayiphakame kangakanani?

Yayinzima kangakanani?

inzima njengeekati zasekhaya ezingama-1

inde njengeekati zasekhaya ezingama-2, impumlo ukuya emsileniinde njengeebhanana ezingama-6 zilandelelanamalunga nobunzima bekati yasekhayainzima njengeebhanana ezingama-42ibinokubaleka iimitha ezili-100 ngemizuzwana engama-12 (oyena mntu ukhawulezayo udinga i-9,6)

Trierarchuncus 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)

Trierarchuncus malunga ne-30 km/h (19 mph)

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

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

izinto ezimnandi

Iinyani ezimnandi

Trierarchuncus is the youngest known alvarezsaurid, meaning it lived just before the big extinction 66 million years ago.1

Its name means 'captain hook' because its hand had only one big claw, like a pirate's hook.1

Scientists think Trierarchuncus was covered in feathers, like many of its relatives.1

It lived alongside famous dinosaurs like Tyrannosaurus and Triceratops in the Hell Creek area.1

The first fossils were found in Montana in 1980, but it wasn't officially named until 2020.1

Trierarchuncus had a bird-like head and long legs, so it could probably run quickly.1

Umfanekiso owenziwe yi-AI: Trierarchuncus — Umfanekiso owenziwe yi-AI obonisa indlela Trierarchuncus 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: Trierarchuncus

?How big was Trierarchuncus?

No one knows its exact size, but it was a small dinosaur. Its hand claws are only a few centimetres long, so it was probably about the size of a modern turkey or a small dog.1 2

?What did Trierarchuncus eat?

It probably ate insects and small animals. Scientists think it used its single big claw to tear apart logs and search for bugs, like an anteater.1 2

?When did Trierarchuncus live?

It lived right at the end of the age of dinosaurs, about 66 million years ago. It went extinct in the big mass extinction that killed most dinosaurs.1

?Did Trierarchuncus have feathers?

Yes. Like its relatives, Trierarchuncus was covered in feathers. It had a bird-like head and long legs.1

Inyaniso ngeentsomi

Intsomi: Some people think Trierarchuncus was a bird because it had feathers and a beak-like mouth.

Inyaniso: Trierarchuncus was a dinosaur, not a bird. It belonged to a group called alvarezsaurids, which were feathered theropod dinosaurs.1

Kwiingcali zeedayinaso

Igama lenzululwazi: Trierarchuncus
Inikwe igama ngu:: Fowler et al. 20203
Iqela: Iidayinaso ezingaqhelekanga ezineentsiba
Usapho / iclade: Alvarezsauridae3
Ukuhlelwa: Theropoda > Alvarezsauridae3
Ubudala bamatye: 72 ukuya ku-66 izigidi zeminyaka (Maastrichtian)3
Izakhiwo zamatye: Hell Creek3
Amazwe: iUSA3
Iirekhodi zeefosili: 6 kwi-Paleobiology Database3
Ukufunyanwa: The first bones were found in Montana in 1980, but the dinosaur was not named until 2020 by Denver Fowler and colleagues. They named it Trierarchuncus prairiensis based on claw bones and other fragments.1
Kusaxoxwa ngayo: Scientists are not sure exactly what Trierarchuncus ate. It might have eaten insects, but it could also have eaten small animals or eggs.1

Apho iinyani zivela khona

Trierarchuncus (en.wikipedia.org)
New manual unguals of Trierarchuncus prairiensis from the Hell Creek Formation, Montana, and the ontogenetic development of the functional alvarezsaurid hand claw (sciencedirect.com)
Trierarchuncus in The Paleobiology Database (CC BY 4.0): ubudala, iindawo, izakhiwo zamatye, ukuhlelwa.

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