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Kaartuunii: Austrocheirus
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Austrocheirus

Hiika maqaa: “southern hand”1
Kan nyaate: FoonDaayinoowwan foon nyaatanKireetaashasii Dhumaa

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

Kan jiraate
waggaa miliyoona 84 hanga 72 dura4
Kireetaashasii Dhumaa
Fosiliiwwan kan itti argaman
Santa Cruz Province, Argentina (Pari Aike Formation, also called Cerro Fortaleza Formation)13
Dheerina
5.5 hanga 6.5 m (18 hanga 21 ft)1
Ol-dheerina
2 m (6.6 ft)
tilmaama
Saffisa ol'aanaa
gara 40 km/sa'a (25 mph)
Fiiguu, tilmaama

Yoom jiraate?

Tiraayaasikii
Juraasikii
Kireetaashasii
waggaa miliyoona 252 dura20114566, asteerooyidii

Hammam guddaa ture?

Hammam dheeraa ture?

Austrocheirus gara 6.5 m dheeraa (21 ft)Saayikilii nama guddaa gara 1.8 m (5.9 ft)Konkolaataa gara 4.5 m (15 ft)Arba, bineensa lafa irraa isa har'a hunda caalaa guddaa gara 6.5 m (21 ft)

Hammam ol-dheeraa ture?

Sareegara 0.5 m (1.6 ft)Fardagara 1.6 m (5.2 ft)Austrocheirusgara 2 m ol-dheeraa (6.6 ft)Arbagara 3.2 m (10 ft)

tilmaama

akka saree 6 funyaan hanga eegeetti dheeraaakka muuzii 36 walitti hiriiran dheeraameetira 100 sekondii 9 keessatti fiiguu danda'a (namni hunda caalaa saffisaan 9.6 barbaada)

SI wajjin yoo wal bira qabamu, Austrocheirus hammam guddaa ture?

Herrega qofa barbaadduu kee keessatti. Wanti tokkollee hin olkaa'amu, eessayyuu hin ergamu.

Hammam saffisaa ture?

wantoota bareedoo

Odeeffannoowwan bashannansiisoo

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

AI'n kan hojjetameFakkii AI'n hojjetame: Austrocheirus
Fakkii AI'n hojjetame kan Austrocheirus maal fakkaachuu akka danda'u agarsiisu, kompiitaraan beekumsa saayintistootaa irratti hundaa'uun hojjetame. Tilmaama qofa: bineensi dhugaa adda ta'ee mul'achuu danda'a, halluu isaa dhugaa immoo namni beeku hin jiru.
ati gaafatte

Gaaffiiwwan waa'ee Austrocheirus baay'ee gaafataman

?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

Ogeeyyii daayinootiif

Maqaa saayinsii
Austrocheirus
Kan maqaa baase
Ezcurra et al. 20104
Garee
Daayinoowwan foon nyaatan
Maatii / kilaadii
Noasauridae4
Ramaddii
Theropoda > Ceratosauria4
Umurii dhagaawwanii
waggaa miliyoona 84 hanga 72 (Campanian)4
Caasaawwan dhagaa
Cerro Fortaleza4
Biyyoota
Arjentiinaa4
Galmee fosilii
1 The Paleobiology Database keessa4
Argannoo
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
Ammallee falmisiisaa
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

Odeeffannoon eessaa dhufa

  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): umurii, bakkeewwan, caasaawwan dhagaa, ramaddii.

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