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Siamotyrannus

Izenaren esanahia: “Siamese tyrant”1

Jaten zuen: HaragiaDino haragijaleakBehe Kretazeoa

Siamotyrannus was a big meat-eating dinosaur that stomped through ancient Thailand. It had strong legs and sharp teeth, and it hunted other animals. Scientists are still figuring out exactly what kind of theropod it was!1

Bizi izan zen

Duela 126 eta 121 milioi urte artean4

Behe Kretazeoa

Fosilak hemen aurkitu dira:

Thailand, in the Sao Khua Formation1 4

Luzera

6 eta 10 m artean (20 eta 33 ft artean)1

Pisua

500 kg eta 1,75 tona artean (1 100 eta 3 900 lb artean)1

Altuera

2 m (6,6 ft)3

Abiadura maximoa

37 km/h inguru (23 mph)

Korrika egitea, kalkulua

Noiz bizi izan zen?

Triasikoa

Jurasikoa

Kretazeoa

Duela 252 milioi urte20114566, asteroidea

Zein handia zen?

Zein luzea zen?

Zein altua zen?

Zein astuna zen?

1 auto bezain astun

ilaran aparkatutako 2 auto bezain luzebata bestearen atzean jarritako 56 banana bezain luze88 txakur bezain astun350 angurria bezain astunhaur-eskolako 92 haur bezain astun55 eskolaume bezain astun4 hartz zuri bezain astun100 metro 9,7 segundotan egin zitzakeen korrika (gizakirik azkarrenak 9,6 behar ditu)

Zein handia zen Siamotyrannus ZUREKIN alderatuta?

Zure nabigatzaileko kalkulu hutsak. Ez da ezer gordetzen ez inora bidaltzen.

Zein azkarra zen?

Pertsona bat oinez 5 km/h inguru (3 mph)

Haur bat bizikletan 12 km/h inguru (7 mph)

Siamotyrannus 37 km/h inguru (23 mph)

Zaldi bat lauhazka 65 km/h inguru (40 mph)

Gepardo bat 100 km/h inguru (62 mph)

gauza bikainak

Datu dibertigarriak

Siamotyrannus lived about 125 to 121 million years ago, during the Early Cretaceous period.1 2

Its fossil includes part of the pelvis, back vertebrae, and tail vertebrae, but no skull has been found yet.1

Siamotyrannus had two vertical ridges on its hip bone, a feature that may be unique to this dinosaur.1 2

Even though its name means 'Siamese tyrant', scientists now think it might not be a true tyrannosaur. Some studies place it with allosaurs or other meat-eaters.1

The first fossil was found in 1993 by a man named Somchai Traimwichanon at a site in Thailand.1

Some scientists think Siamotyrannus was closely related to another dinosaur called Siamraptor, which also lived in Thailand.1

Siamotyrannus: AAk egindako irudia — Siamotyrannus nolakoa izan zitekeen erakusten duen AAk egindako irudia, ordenagailu batek zientzialariek dakitenetik sortua. Asmakizun bat da: benetako animalia desberdina izan zitekeen, eta inork ez daki zein ziren bere benetako koloreak.

zure galderak

Siamotyrannus: gehien egindako galderak

?How big was Siamotyrannus?

Scientists are not sure, but estimates range from about 6 meters (20 feet) to 10 meters (33 feet) long, and it may have weighed between 500 kg and 1.75 tonnes.1

?Was Siamotyrannus a tyrannosaur?

Probably not. Even though its name means 'Siamese tyrant', most scientists now think it was an allosauroid or a close relative of Siamraptor, not a true tyrannosaur.1

?What did Siamotyrannus eat?

It was a meat-eater. It had sharp teeth and strong legs to hunt other animals.4

?When did Siamotyrannus live?

It lived during the Early Cretaceous period, about 145 to 120 million years ago.1

?Where was Siamotyrannus found?

Its fossils were found in Thailand, at the Phu Wiang 9 site in Khon Kaen province.1

?Did Siamotyrannus have a skull?

No skull has been found yet. The only fossils discovered are part of the pelvis, back vertebrae, and tail vertebrae.1

Mito-hauslea

Mitoa: Siamotyrannus was a true tyrannosaur, like T. rex.

Egia: Scientists now think it may not be a tyrannosaur at all. Many studies place it with allosauroids or other theropods, and its exact family is still debated.1

Dino adituentzat

Izen zientifikoa: Siamotyrannus
Izendatzailea:: Buffetaut et al. 19964
Taldea: Dino haragijaleak
Familia / klada: Metriacanthosauridae4
Sailkapena: Theropoda > Allosauroidea4
Arroken adina: 126 eta 121 milioi urte artean (Barremian)4
Arroka-formazioak: Sao Khua4
Herrialdeak: Thailandia4
Fosil-erregistroak: 1 The Paleobiology Database datu-basean4
Aurkikuntza: In 1993, Somchai Traimwichanon found a partial skeleton at Phu Wiang 9 in Thailand. In 1996, Eric Buffetaut, Varavudh Suteethorn, and Haiyan Tong named it Siamotyrannus isanensis.1 4
Oraindik eztabaidagai: Scientists still debate what group Siamotyrannus belongs to. It might be an allosauroid, a primitive coelurosaur, or something else entirely.1

Datuak nondik datozen

Siamotyrannus (en.wikipedia.org)
PBDB Taxon (paleobiodb.org)
Siamotyrannus — Grokipedia (grokipedia.com)
Siamotyrannus in The Paleobiology Database (CC BY 4.0): adina, tokiak, arroka-formazioak, sailkapena.

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