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Chithunzi choseketsa cha Meraxes
Khadi la dino Na. 1167 mwa 2Β 027

Meraxes

Dzina limatanthauza: “named after a dragon from the Song of Ice and Fire books, and gigas means giant in Greek”1
Ankadya: NyamaMadino odya nyamaKumayambiriro kwa Kretase

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.12

Ankakhala
zaka 110 mpaka 106 miliyoni zapitazo5
Kumayambiriro kwa Kretase
Mafosili apezeka ku
Huincul Formation, NeuquΓ©n Province, Patagonia, Argentina12
Utali
9 mpaka 11.6 m (30 mpaka 38 ft)2
Kulemera
matani 4.263 (9,400 lb)1
Msinkhu
3.4 m (11 ft)
kuyerekeza
Liwiro lalikulu kwambiri
pafupifupi 24 km/h (15 mph)
Kuthamanga, kuyerekeza

Ankakhala liti?

Triasiki
Jurasiki
Kretase
Zaka 252 miliyoni zapitazo20114566, asteroidi

Anali wamkulu bwanji?

Anali wautali bwanji?

Meraxes utali wa pafupifupi 11.6 m (38 ft)Njinga ya munthu wamkulu pafupifupi 1.8 m (5.9 ft)Galimoto pafupifupi 4.5 m (15 ft)Njovu, nyama yaikulu kwambiri pamtunda masiku ano pafupifupi 6.5 m (21 ft)

Msinkhu wake unali wautali bwanji?

Galupafupifupi 0.5 m (1.6 ft)Hatchipafupifupi 1.6 m (5.2 ft)Njovupafupifupi 3.2 m (10 ft)Meraxesmsinkhu wa pafupifupi 3.4 m (11 ft)

kuyerekeza

Ankalemera bwanji?

wolemera ngati magalimoto 3
wautali ngati magalimoto 2.5 oimikidwa pamzerewautali ngati nthochi 64 zotsatizanawolemera ngati agalu 210wolemera ngati mavwende 850wolemera ngati makalasi athunthu a ana a sukulu 5wolemera ngati zimbalangondo zoyera 9akanatha kuthamanga mamita 100 m'masekondi 15 (munthu waliwiro kwambiri amafunika 9.6)

Meraxes anali wamkulu bwanji poyerekeza ndi IWEYO?

Ndi masamu chabe mu msakatuli wako. Palibe chimene chimasungidwa kapena kutumizidwa kwina kulikonse.

Anali ndi liwiro lotani?

zinthu zosangalatsa

Mfundo zosangalatsa

1

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

2

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

3

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

4

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

5

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

6

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

7

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

Chopangidwa ndi AIChithunzi cha Meraxes chopangidwa ndi AI
Chithunzi cha momwe Meraxes mwina ankaonekera, chopangidwa ndi kompyuta kuchokera pa zomwe asayansi amadziwa. Ndi kungoyerekeza: nyama yeniyeniyo mwina inkaoneka mosiyana, ndipo palibe amene akudziwa mitundu yake yeniyeni.
mwafunsa

Mafunso ofunsidwa kwambiri okhudza Meraxes

?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.12

?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.14

?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

Kwa akatswiri a madino

Dzina la sayansi
Meraxes
Anapatsidwa dzina ndi
Canale et al. 20225
Gulu
Madino odya nyama
Banja / kladi
Carcharodontosauridae5
Magawidwe a sayansi
Theropoda > Allosauroidea > Carcharodontosauridae5
Zaka za miyala
zaka 110 mpaka 106 miliyoni (Albian)5
Mapangidwe a miyala
Huincul5
Mayiko
Argentina5
Zolemba za mafosili
1 mu The Paleobiology Database5
Kupezeka
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.21
Akukambiranabe
Scientists are not sure exactly how long Meraxes was, because different ways of measuring give different lengths.2

Kumene mfundo zimachokera

  1. New giant carnivorous dinosaur reveals convergent evolutionary trends in theropod arm reduction: Current Biology (cell.com)
  2. Meraxes (en.wikipedia.org)
  3. PBDB Taxon (paleobiodb.org)
  4. Newly discovered dinosaur had tiny arms like T. rex | National Geographic (nationalgeographic.com)
  5. Meraxes in The Paleobiology Database (CC BY 4.0): zaka, malo, mapangidwe a miyala, magawidwe a sayansi.

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