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Raptorex

Il num vul dir: “robber king”1

Mangiava: CharnTirannosaursCretacic tempriv fin Cretacic tardiv

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

Viveva

avant 126 fin 66 milliuns onns4

Cretacic tempriv fin Cretacic tardiv

Fossils chattads en

Mongolia (probably Nemegt Formation)1

Lunghezza

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

Paisa

65 kg (143 lb)1

Spertadad maximala

var 50 km/h (31 mph)

Currer, stima

Cura viveva el?

Triassic

Giurassic

Cretacic

avant 252 milliuns onns20114566, l'asteroid

Quant grond era el?

Quant lung era el?

Quant grev era el?

uschè grev sco 3 chauns

uschè lung sco 3 chauns dal nas a la cuauschè lung sco 17 bananas ina suenter l'autrauschè grev sco 13 melunasuschè grev sco 3 uffants da scolettauschè grev sco 2 scolarspudess currer 100 meters en 7,2 secundas (il pli spert uman dovra 9,6)

Quant grond era Raptorex cumpareglià cun TAI?

Mo matematica en tes navigatur. Nagut na vegn arcunà u tramess.

Quant spert era el?

Ina persuna che va a pe var 5 km/h (3 mph)

In uffant sin il velo var 12 km/h (7 mph)

Raptorex var 50 km/h (31 mph)

In chaval che galoppescha var 65 km/h (40 mph)

In gepard var 100 km/h (62 mph)

chaussas cool

Fatgs divertents

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

Maletg da Raptorex fatg cun IA — In maletg fatg cun IA che mussa co Raptorex pudess avair guardà ora, fatg d'in computer tenor quai che la scienza sa. I sa tracta d'ina supposiziun: l'animal vair ha forsa guardà ora auter, e sias colurs vairas èn nunenconuschentas.

tias dumondas

Las dumondas las pli frequentas davart 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

Chatschader da mitus

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

Vardad: 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

Per experts da dinos

Num scientific: Raptorex
Numnà da: Sereno et al. 20094
Gruppa: Tirannosaurs
Famiglia / clada: Tyrannosauroidea4
Classificaziun: Theropoda > Tyrannosauroidea4
Vegliadetgna da la crappa: 126 fin 66 milliuns onns (Barremian / Maastrichtian)4
Pajais: China4
Chats da fossils: 1 en The Paleobiology Database4
Scuverta: 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
Anc discutà: Scientists still argue whether Raptorex is a valid genus or just a baby Tarbosaurus. More fossils are needed to settle the debate.1

Danunder che vegnan ils fatgs

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): vegliadetgna, lieus, formaziuns da crap, classificaziun.

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