Dino kad No. 1535 wɔ 2 027 mu

Raptorex

Din no ase: “robber king”1

Ɔdii: NamTiranosɔɔKretasias Mfiase kɔsi Kretasias Awieeɛ

Raptorex was a tiny cousin of T. rex that lived about 70 million years ago. It had a big head, long legs for running, and tiny arms with just two fingers. Even though it was small, it already looked like a mini version of the giant tyrannosaurs!1

Ɔtenaa ase

mfeɛ ɔpepem 126 kɔsi 66 a atwam4

Kretasias Mfiase kɔsi Kretasias Awieeɛ

Wɔhunuu fɔsil wɔ

Mongolia (probably Nemegt Formation)1

Tenten

2.5 kɔsi 3 m (8.2 kɔsi 9.8 ft)1

Mu duru

65 kg (143 lb)1

Ntɛmntɛm a ɛsen biara

bɛyɛ 50 km/h (31 mph)

Mmirikatuo, nsusuiɛ

Berɛ bɛn na ɛtenaa ase?

Triasik

Jurasik

Kretasias

mfeɛ ɔpepem 252 a atwam20114566, ɔsoro ɛboɔ no

Na ne kɛseɛ yɛ sɛn?

Na ne tenten yɛ sɛn?

Na ne mu yɛ duru sɛn?

ne mu duru te sɛ nkraman 3

ne tenten te sɛ nkraman 3 firi hwene kɔsi duane tenten te sɛ kwadu 17 a wɔde abɔ toatoa sone mu duru te sɛ watamɛlɔn 13ne mu duru te sɛ nkɔkɔaa sukuu mmofra 3ne mu duru te sɛ sukuu mmofra 2anka ɔbɛtumi atu mmirika mita 100 wɔ sikɛn 7.2 mu (onipa a ɔyɛ ntɛm sen biara hia 9.6)

Raptorex kɛseɛ yɛ sɛn sɛ wode toto WO ho a?

Akontaa nko ara wɔ wo browser mu. Yɛnkora biribiara so, na yɛmmfa biribiara nkɔ baabiara.

Na ɛyɛ ntɛm sɛn?

Onipa a ɔnante bɛyɛ 5 km/h (3 mph)

Abofra a ɔte sakre so bɛyɛ 12 km/h (7 mph)

Raptorex bɛyɛ 50 km/h (31 mph)

Ɔpɔnkɔ a ɔretu mmirika bɛyɛ 65 km/h (40 mph)

Kyiita bɛyɛ 100 km/h (62 mph)

nneɛma a ɛyɛ fɛ

Nsɛm a ɛyɛ anigye

Raptorex is known from just one skeleton, which is a very young juvenile about three years old.1

Its tiny arms and big head are features that scientists once thought only appeared in giant tyrannosaurs, but Raptorex shows they evolved in small dinosaurs first.2

Many scientists now think Raptorex might actually be a baby Tarbosaurus, a close relative of T. rex from Mongolia.1

The only Raptorex fossil was bought at a gem and mineral show in Arizona before a scientist studied it.1

A fish bone found with the Raptorex skeleton helped scientists figure out that it probably came from the Late Cretaceous Nemegt Formation in Mongolia.1

Raptorex was about the size of a large dog, only 2.5 to 3 metres long and weighing around 65 kilograms.1

Yei yɛ Raptorex mfonini a AI yɛeɛ, sɛdeɛ ebia na ɔteɛ. Kɔmputa na ɛyɛeɛ firi deɛ nyansahufoɔ nim mu. Ɛyɛ nsusuiɛ: ebia na aboa ankasa no nte saa, na obiara nnim ne kɔla ankasa.

wobisaeɛ

Nsɛm a wɔbisa bebree fa Raptorex ho

?How big was Raptorex?

About 2.5 to 3 metres (8.2 to 9.8 feet) long and weighed around 65 kilograms (143 pounds), about the size of a large human.1

?Was Raptorex a dinosaur?

Yes, Raptorex was a small tyrannosaurid dinosaur, a close cousin of T. rex.1

?Did Raptorex have feathers?

The sources don't say for sure, but many small tyrannosaurs had feathers. Since Raptorex was a juvenile, it might have had a light covering of feathers, but no direct evidence is known.1

?What did Raptorex eat?

Raptorex was a meat-eater, like other tyrannosaurs. It probably hunted small animals or scavenged, using its big head and sharp teeth.1

?Is Raptorex a baby Tarbosaurus?

Many scientists now think Raptorex might be a juvenile Tarbosaurus, a close relative of T. rex from Mongolia, because the only skeleton looks just like a baby Tarbosaurus.1 3

?When did Raptorex live?

It probably lived about 70 million years ago, during the Late Cretaceous period, in what is now Mongolia.1

Atosɛm sɛefoɔ

Atosɛm: Some people think Raptorex is a separate species that lived in the Early Cretaceous, about 125 million years ago.

Nokorɛ: Scientists now agree that Raptorex is a juvenile tyrannosaur from the Late Cretaceous, about 70 million years ago, and it may be the same as Tarbosaurus.1

Ma dino ho animdefoɔ

Nyansahu din: Raptorex
Obi a ɔtoo din: Sereno et al. 20094
Kuo: Tiranosɔɔ
Abusua / kuo kɛseɛ: Tyrannosauroidea4
Nkyekyɛmu: Theropoda > Tyrannosauroidea4
Abotan no mfeɛ: mfeɛ ɔpepem 126 kɔsi 66 (Barremian / Maastrichtian)4
Aman: Kyaena4
Fɔsil nkyerɛwee: 1 wɔ The Paleobiology Database mu4
Nhunumu: The only Raptorex fossil was bought by Dr. Henry Kriegstein at a fossil show in Tucson, Arizona. He showed it to paleontologist Paul Sereno, who named it Raptorex kriegsteini in 2009.1
Wɔda so gye ho akyinnye: Scientists still argue whether Raptorex is a valid genus or just a baby Tarbosaurus. More fossils are needed to settle the debate.1

Baabi a nsɛm no firi

Raptorex (en.wikipedia.org)
Becoming T. rex | Science (science.org)
Reanalysis of “Raptorex kriegsteini”: A Juvenile Tyrannosaurid Dinosaur from Mongolia | PLOS One (journals.plos.org)
Raptorex in The Paleobiology Database (CC BY 4.0): mfeɛ, mmeaeɛ, abotan nhyehyɛeɛ, nkyekyɛmu.

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