Kartu dino No. 1535 ci 2 027

Raptorex

Tur bi mooy: “robber king”1

Lekkoon: YàppTiranosoor yiKretase bu jëkk ba Kretase bu mujj

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

Dundoon

am na 126 ba 66 milyoŋ at4

Kretase bu jëkk ba Kretase bu mujj

Fosil yu ñu gis ci

Mongolia (probably Nemegt Formation)1

Guddaay

2,5 ba 3 m (8,2 ba 9,8 ft)1

Diisaay

65 kg (143 lb)1

Gaawaay bi gën a kawe

lu tollu ci 50 km/h (31 mph)

Daw, jortu

Kañ la dundoon?

Triyaas

Jurasik

Kretase

Am na 252 milyoŋ at20114566, asteroyid bi

Naka la réyoon?

Naka la guddoon?

Naka la diisoon?

diis ni 3 xaj

gudd ni 3 xaj, bakkan ba geengudd ni 17 banaana yu ñu topp-toppalediis ni 13 xaaldiis ni 3 xale yu materneldiis ni 2 xale yu lekkoolmënoon na daw 100 meetar ci 7,2 segond (nit ki gën a gaaw dafay soxla 9,6)

Naka la Raptorex réyoon, bu ñu ko méngalee ak YAW?

Ay kalkil rekk ci sa navigatëer. Dara du ñu denc, dara du ñu yónne fenn.

Naka la gaawoon?

Nit kuy dox lu tollu ci 5 km/h (3 mph)

Xale bu nekk ci welo lu tollu ci 12 km/h (7 mph)

Raptorex lu tollu ci 50 km/h (31 mph)

Fas buy daw bu gaaw lu tollu ci 65 km/h (40 mph)

Segg bu gaaw lu tollu ci 100 km/h (62 mph)

yëf yu neex

Xibaar yu neex

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

Nataalu Raptorex bu ñu def ak IA — Nataal bu IA def la, muy wone ni Raptorex mën a meloon, ordinatëer moo ko def ci li boroom xam-xam yi xam. Jortu kese la: rab bi ci dëgg mën na meloon neneen, te kenn xamul ay kulëëram yu dëgg.

yeen a laaj

Laaj yi ñu gën a laaj ci Raptorex

?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

Ku tas léeb yu dul dëgg

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

Dëgg: 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

Ngir ñi xam dino lool

Turu xam-xam: Raptorex
Ku ko tudde: Sereno et al. 20094
Kurél: Tiranosoor yi
Njaboot / klad: Tyrannosauroidea4
Klasifikasiyoŋ: Theropoda > Tyrannosauroidea4
Màggaayu doj yi: 126 ba 66 milyoŋ at (Barremian / Maastrichtian)4
Réew yi: Siin4
Fosil yu ñu gis: 1 ci The Paleobiology Database4
Gisees: 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
Ñu ngi koy werante ba tey: Scientists still argue whether Raptorex is a valid genus or just a baby Tarbosaurus. More fossils are needed to settle the debate.1

Fa xibaar yi jóge

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): at, béréb yi, formasiyoŋi doj, klasifikasiyoŋ.

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