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Austrocheirus

Il num vul dir: “southern hand”1

Mangiava: CharnDinos carnivorsCretacic tardiv

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.1 2

Viveva

avant 84 fin 72 milliuns onns4

Cretacic tardiv

Fossils chattads en

Santa Cruz Province, Argentina (Pari Aike Formation, also called Cerro Fortaleza Formation)1 3

Lunghezza

5,5 fin 6,5 m (18 fin 21 ft)1

Autezza

2 m (6,6 ft)

stima

Spertadad maximala

var 40 km/h (25 mph)

Currer, stima

Cura viveva el?

Triassic

Giurassic

Cretacic

avant 252 milliuns onns20114566, l'asteroid

Quant grond era el?

Quant lung era el?

Quant aut era el?

stima

uschè lung sco 6 chauns dal nas a la cuauschè lung sco 36 bananas ina suenter l'autrapudess currer 100 meters en 9 secundas (il pli spert uman dovra 9,6)

Quant grond era Austrocheirus cumpareglià cun TAI?

Mo matematica en tes navigatur. Nagut na vegn arcunà u tramess.

Quant spert era el?

Ina persuna che va a pe var 5 km/h (3 mph)

In uffant sin il velo var 12 km/h (7 mph)

Austrocheirus var 40 km/h (25 mph)

In chaval che galoppescha var 65 km/h (40 mph)

In gepard var 100 km/h (62 mph)

chaussas cool

Fatgs divertents

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

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

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

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

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

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

Maletg da Austrocheirus fatg cun IA — In maletg fatg cun IA che mussa co Austrocheirus pudess avair guardà ora, fatg d'in computer tenor quai che la scienza sa. I sa tracta d'ina supposiziun: l'animal vair ha forsa guardà ora auter, e sias colurs vairas èn nunenconuschentas.

tias dumondas

Las dumondas las pli frequentas davart 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.1 2

Per experts da dinos

Num scientific: Austrocheirus
Numnà da: Ezcurra et al. 20104
Gruppa: Dinos carnivors
Famiglia / clada: Noasauridae4
Classificaziun: Theropoda > Ceratosauria4
Vegliadetgna da la crappa: 84 fin 72 milliuns onns (Campanian)4
Formaziuns da crap: Cerro Fortaleza4
Pajais: Argentinia4
Chats da fossils: 1 en The Paleobiology Database4
Scuverta: 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.1 2
Anc discutà: 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

Danunder che vegnan ils fatgs

Austrocheirus (en.wikipedia.org)
Zootaxa, An abelisauroid dinosaur with a non-atrophied manus from the Late Cretaceous... (mapress.com)
PBDB Taxon (paleobiodb.org)
Austrocheirus in The Paleobiology Database (CC BY 4.0): vegliadetgna, lieus, formaziuns da crap, classificaziun.

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