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Meraxes

Hiika maqaa: “named after a dragon from the Song of Ice and Fire books, and gigas means giant in Greek”1

Kan nyaate: FoonDaayinoowwan foon nyaatanKireetaashasii Jalqabaa

Meraxes was a huge, meat-eating dinosaur with very short arms, just like T. rex! It lived in what is now Argentina and had a skull longer than a tall adult human.1 2

Kan jiraate

waggaa miliyoona 110 hanga 106 dura5

Kireetaashasii Jalqabaa

Fosiliiwwan kan itti argaman

Huincul Formation, Neuquén Province, Patagonia, Argentina1 2

Dheerina

9 hanga 11.6 m (30 hanga 38 ft)2

Ulfaatina

4.263 toonii (9,400 lb)1

Ol-dheerina

3.4 m (11 ft)

tilmaama

Saffisa ol'aanaa

gara 24 km/sa'a (15 mph)

Fiiguu, tilmaama

Yoom jiraate?

Tiraayaasikii

Juraasikii

Kireetaashasii

waggaa miliyoona 252 dura20114566, asteerooyidii

Hammam guddaa ture?

Hammam dheeraa ture?

Hammam ol-dheeraa ture?

tilmaama

Hammam ulfaataa ture?

akka konkolaataa 3 ulfaata

akka konkolaataa 2.5 tarreen dhaabatan dheeraaakka muuzii 64 walitti hiriiran dheeraaakka saree 210 ulfaataakka habxuu 850 ulfaataakka kutaalee mana barumsaa guutuu 5 ulfaataakka beeraa adii 9 ulfaatameetira 100 sekondii 15 keessatti fiiguu danda'a (namni hunda caalaa saffisaan 9.6 barbaada)

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

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

Hammam saffisaa ture?

Nama miilaan deemu gara 5 km/sa'a (3 mph)

Daa'ima saayikilii irra jiru gara 12 km/sa'a (7 mph)

Meraxes gara 24 km/sa'a (15 mph)

Farda gulufu gara 65 km/sa'a (40 mph)

Cheetaa gara 100 km/sa'a (62 mph)

wantoota bareedoo

Odeeffannoowwan bashannansiisoo

Meraxes had arms that were only about half the length of its thigh bone, similar to T. rex and other giant meat-eaters.1

Its skull was 1.27 metres (4.2 feet) long, as big as the skull of Acrocanthosaurus.2

Meraxes is the most complete carcharodontosaurid skeleton ever found in the Southern Hemisphere.1

The second toe of Meraxes had an enormous claw, almost twice as long as the claw on its fourth toe.2

This dinosaur lived about 100 to 90 million years ago during the Cretaceous Period.3

Meraxes may have lived to be between 39 and 53 years old, making it one of the longest-lived meat-eating dinosaurs known.2

Its bones show that Meraxes grew to a huge size by taking a long time to grow, not by growing faster.2

Fakkii AI'n hojjetame: Meraxes — Fakkii AI'n hojjetame kan Meraxes 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 Meraxes baay'ee gaafataman

?How big was Meraxes?

About 9 to 10 metres long, and it weighed around 4.26 metric tons.2

?Did Meraxes have feathers?

The sources do not mention feathers on Meraxes. It is not known for sure, but many large theropods like Meraxes are usually shown without feathers.1 2

?Was Meraxes bigger than T. rex?

No, Meraxes was smaller than T. rex. T. rex could be over 12 metres long, while Meraxes was about 9 to 10 metres.2

?What did Meraxes eat?

Meraxes was a meat-eater that likely hunted large plant-eating dinosaurs, such as sauropods like Argentinosaurus and Limaysaurus that lived in the same area.2

?Why did Meraxes have tiny arms?

Scientists think its arms shrank as its head grew bigger, because the skull took over the job of catching prey. This happened in several giant meat-eating dinosaur groups, including Meraxes and T. rex.1 4

?When did Meraxes live?

Meraxes lived about 100 to 90 million years ago, during the Cretaceous Period.2

?Could Meraxes swim?

There is no information about whether Meraxes could swim. Like most large theropods, it probably stayed on land.2

?How fast could Meraxes run?

The sources do not give a speed for Meraxes. As a large predator, it was probably not very fast, but no exact speed is known.2

Ogeeyyii daayinootiif

Maqaa saayinsii: Meraxes
Kan maqaa baase: Canale et al. 20225
Garee: Daayinoowwan foon nyaatan
Maatii / kilaadii: Carcharodontosauridae5
Ramaddii: Theropoda > Allosauroidea > Carcharodontosauridae5
Umurii dhagaawwanii: waggaa miliyoona 110 hanga 106 (Albian)5
Caasaawwan dhagaa: Huincul5
Biyyoota: Arjentiinaa5
Galmee fosilii: 1 The Paleobiology Database keessa5
Argannoo: The only known skeleton of Meraxes was found in 2012 in Argentina. Scientists named it in 2022 after a dragon from the Song of Ice and Fire books.2 1
Ammallee falmisiisaa: Scientists are not sure exactly how long Meraxes was, because different ways of measuring give different lengths.2

Odeeffannoon eessaa dhufa

New giant carnivorous dinosaur reveals convergent evolutionary trends in theropod arm reduction: Current Biology (cell.com)
Meraxes (en.wikipedia.org)
PBDB Taxon (paleobiodb.org)
Newly discovered dinosaur had tiny arms like T. rex | National Geographic (nationalgeographic.com)
Meraxes in The Paleobiology Database (CC BY 4.0): umurii, bakkeewwan, caasaawwan dhagaa, ramaddii.

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