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Chithunzi choseketsa cha Austrocheirus
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Austrocheirus

Dzina limatanthauza: “southern hand”1
Ankadya: NyamaMadino odya nyamaKumapeto kwa Kretase

Austrocheirus was a meat-eating dinosaur that lived in what is now Argentina during the Late Cretaceous. It was about as long as a school bus and had hands that were not tiny like those of its relatives. Scientists are still debating exactly what kind of theropod it was.12

Ankakhala
zaka 84 mpaka 72 miliyoni zapitazo4
Kumapeto kwa Kretase
Mafosili apezeka ku
Santa Cruz Province, Argentina (Pari Aike Formation, also called Cerro Fortaleza Formation)13
Utali
5.5 mpaka 6.5 m (18 mpaka 21 ft)1
Msinkhu
2 m (6.6 ft)
kuyerekeza
Liwiro lalikulu kwambiri
pafupifupi 40 km/h (25 mph)
Kuthamanga, kuyerekeza

Ankakhala liti?

Triasiki
Jurasiki
Kretase
Zaka 252 miliyoni zapitazo20114566, asteroidi

Anali wamkulu bwanji?

Anali wautali bwanji?

Austrocheirus utali wa pafupifupi 6.5 m (21 ft)Njinga ya munthu wamkulu pafupifupi 1.8 m (5.9 ft)Galimoto pafupifupi 4.5 m (15 ft)Njovu, nyama yaikulu kwambiri pamtunda masiku ano pafupifupi 6.5 m (21 ft)

Msinkhu wake unali wautali bwanji?

Galupafupifupi 0.5 m (1.6 ft)Hatchipafupifupi 1.6 m (5.2 ft)Austrocheirusmsinkhu wa pafupifupi 2 m (6.6 ft)Njovupafupifupi 3.2 m (10 ft)

kuyerekeza

wautali ngati agalu 6 otsatizana mphuno ndi mchirawautali ngati nthochi 36 zotsatizanaakanatha kuthamanga mamita 100 m'masekondi 9 (munthu waliwiro kwambiri amafunika 9.6)

Austrocheirus anali wamkulu bwanji poyerekeza ndi IWEYO?

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

Anali ndi liwiro lotani?

zinthu zosangalatsa

Mfundo zosangalatsa

1

Austrocheirus is known only from a partial hand, a shin bone, foot bones, and some backbone pieces.1

2

Its name means 'southern hand' because its fossils were found in the southern part of South America.1

3

Unlike many other abelisauroids, Austrocheirus did not have tiny, shrunken forelimbs. Its hands were still full-sized.2

4

Some scientists think Austrocheirus might not be an abelisauroid at all. They say it could be a more general theropod whose exact family is unknown.1

5

The only known fossil of Austrocheirus was found on March 17, 2002, at a place called Hoyada Arroyo Seco in Argentina.2

6

A 2024 study suggested Austrocheirus might belong to a group called Berthasauridae, which are close relatives of abelisauroids.1

Chopangidwa ndi AIChithunzi cha Austrocheirus chopangidwa ndi AI
Chithunzi cha momwe Austrocheirus 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 Austrocheirus

?How big was Austrocheirus?

Austrocheirus was a medium sized theropod, measuring about 5.5 to 6.5 metres (18 to 21 feet) long. That is roughly as long as a school bus.1

?Why is Austrocheirus called 'southern hand'?

Its name means 'southern hand' because its fossils were found in southern South America and only a partial hand was known at first.1

?Did Austrocheirus have small arms?

No. Unlike many of its abelisauroid relatives, Austrocheirus did not have tiny, shrunken forelimbs. Its hands were still full-sized.12

Kwa akatswiri a madino

Dzina la sayansi
Austrocheirus
Anapatsidwa dzina ndi
Ezcurra et al. 20104
Gulu
Madino odya nyama
Banja / kladi
Noasauridae4
Magawidwe a sayansi
Theropoda > Ceratosauria4
Zaka za miyala
zaka 84 mpaka 72 miliyoni (Campanian)4
Mapangidwe a miyala
Cerro Fortaleza4
Mayiko
Argentina4
Zolemba za mafosili
1 mu The Paleobiology Database4
Kupezeka
Austrocheirus was named and described in 2010 by paleontologists Martin Ezcurra, Federico Agnolin, and Fernando Novas. The species name isasii honors Marcelo Pablo Isasi, who found and prepared the fossil.12
Akukambiranabe
Scientists are not sure which group of theropods Austrocheirus belongs to. Some say it is an abelisauroid, others think it is a more primitive theropod, and a 2024 study placed it in a new group called Berthasauridae.1

Kumene mfundo zimachokera

  1. Austrocheirus (en.wikipedia.org)
  2. Zootaxa, An abelisauroid dinosaur with a non-atrophied manus from the Late Cretaceous... (mapress.com)
  3. PBDB Taxon (paleobiodb.org)
  4. Austrocheirus in The Paleobiology Database (CC BY 4.0): zaka, malo, mapangidwe a miyala, magawidwe a sayansi.

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