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Austrocheirus

Naam beteken: “southern hand”1

Het geëet: VleisVleisvretende dino'sLaat Kryt

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

Het geleef

84 tot 72 miljoen jaar gelede4

Laat Kryt

Fossiele gevind in

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

Lengte

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

Hoogte

2 m (6,6 ft)

skatting

Topspoed

omtrent 40 km/h (25 mph)

Hardloop, skatting

Wanneer het dit geleef?

Trias

Jura

Kryt

252 miljoen jaar gelede20114566, die asteroïde

Hoe groot was dit?

Hoe lank was dit?

Hoe hoog was dit?

skatting

so lank soos 6 honde van neus tot stertso lank soos 36 piesangs punt aan puntkon 100 meter in 9 sekondes hardloop (die vinnigste mens het 9,6 nodig)

Hoe groot was Austrocheirus vergeleke met JOU?

Net wiskunde in jou blaaier. Niks word gestoor of êrens heen gestuur nie.

Hoe vinnig was dit?

'n Mens wat loop omtrent 5 km/h (3 mph)

'n Kind op 'n fiets omtrent 12 km/h (7 mph)

Austrocheirus omtrent 40 km/h (25 mph)

'n Galopperende perd omtrent 65 km/h (40 mph)

'n Jagluiperd omtrent 100 km/h (62 mph)

cool goed

Prettige feite

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

KI-prent van Austrocheirus — 'n KI-prent van hoe Austrocheirus dalk gelyk het, deur 'n rekenaar gemaak uit wat wetenskaplikes weet. Dit is 'n raaiskoot: die regte dier het dalk anders gelyk, en niemand weet wat sy regte kleure was nie.

julle het gevra

Mees gevraagde vrae oor 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

Vir dino-kenners

Wetenskaplike naam: Austrocheirus
Benoem deur: Ezcurra et al. 20104
Groep: Vleisvretende dino's
Familie / klade: Noasauridae4
Klassifikasie: Theropoda > Ceratosauria4
Ouderdom van die rotse: 84 tot 72 miljoen jaar (Campanian)4
Rotsformasies: Cerro Fortaleza4
Lande: Argentinië4
Fossielrekords: 1 in The Paleobiology Database4
Ontdekking: 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
Steeds omstrede: 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

Waar die feite vandaan kom

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): ouderdom, plekke, rotsformasies, klassifikasie.

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