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Katuuni ya Austrocheirus
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Austrocheirus

Erinnya litegeeza: “southern hand”1
Yalyanga: EnnyamaDayinoso ezirya ennyamaEnkomerero ya Kuretasi

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

Yabeerawo
emyaka obukadde 84 okutuuka ku 72 emabega4
Enkomerero ya Kuretasi
Ebisigalira byazuulibwa mu
Santa Cruz Province, Argentina (Pari Aike Formation, also called Cerro Fortaleza Formation)13
Obuwanvu
5.5 okutuuka ku 6.5 m (18 okutuuka ku 21 ft)1
Obugulumivu
2 m (6.6 ft)
kuteebereza
Sipiidi esinga
nga 40 km/h (25 mph)
Okudduka, kuteebereza

Yabeerawo ddi?

Tiriyasi
Jurasiki
Kuretasi
Emyaka obukadde 252 emabega20114566, asteroyidi

Yali munene atya?

Yali muwanvu kwenkana wa?

Austrocheirus obuwanvu nga 6.5 m (21 ft)Akagaali k'omukulu nga 1.8 m (5.9 ft)Emmotoka nga 4.5 m (15 ft)Enjovu, ekisolo ekisinga obunene ku lukalu leero nga 6.5 m (21 ft)

Yali mugulumivu kwenkana wa?

Embwanga 0.5 m (1.6 ft)Embalaasinga 1.6 m (5.2 ft)Austrocheirusobugulumivu nga 2 m (6.6 ft)Enjovunga 3.2 m (10 ft)

kuteebereza

obuwanvu ng'embwa 6, ennyindo ku mukiraobuwanvu ng'amenvu 36 nga gaddiriŋŋanayandidduse mita 100 mu sikonda 9 (omuntu asinga embiro yeetaaga 9.6)

Austrocheirus yali munene atya bw'ogeraageranya ku GGWE?

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Yali wa mbiro kwenkana wa?

ebintu ebinyuvu

Ebyewuunyisa

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

Kyakolebwa AIEkifaananyi kya Austrocheirus ekyakolebwa AI
Ekifaananyi kya Austrocheirus ekyakolebwa AI, nga kiraga engeri gye yayinza okuba ng'afaanana, ekyakolebwa kompyuta okusinziira ku ebyo bannassaayansi bye bamanyi. Kuteebereza: ekisolo ekyennyini kiyinza okuba nga kyali kifaanana bulala, era tewali amanyi langi zaakyo ez'amazima.
wabuuza

Ebibuuzo ebisinga okubuuzibwa ku 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

Eri abakugu mu dayinoso

Erinnya lya ssaayansi
Austrocheirus
Yatuumibwa
Ezcurra et al. 20104
Ekibinja
Dayinoso ezirya ennyama
Ekika / ekibinja
Noasauridae4
Engabanya
Theropoda > Ceratosauria4
Emyaka gy'enjazi
emyaka obukadde 84 okutuuka ku 72 (Campanian)4
Ensengeka z'enjazi
Cerro Fortaleza4
Ensi
Arigentina4
Ebisigalira ebyazuulibwa
1 mu The Paleobiology Database4
Okuzuulibwa
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
Kikyakubaganyizibwako ebirowoozo
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

Ebituufu gye biva

  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): emyaka, ebifo, ensengeka z'enjazi, engabanya.

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