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Kartu dino No. 1651 ci 2 027

Siamotyrannus

Tur bi mooy: “Siamese tyrant”1

Lekkoon: YàppDino yuy lekk yàppKretase bu jëkk

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

Dundoon

am na 126 ba 121 milyoŋ at4

Kretase bu jëkk

Fosil yu ñu gis ci

Thailand, in the Sao Khua Formation1 4

Guddaay

6 ba 10 m (20 ba 33 ft)1

Diisaay

500 kg ba 1,75 toon (1 100 ba 3 900 lb)1

Kawewaay

2 m (6,6 ft)3

Gaawaay bi gën a kawe

lu tollu ci 37 km/h (23 mph)

Daw, jortu

Kañ la dundoon?

Triyaas

Jurasik

Kretase

Am na 252 milyoŋ at20114566, asteroyid bi

Naka la réyoon?

Naka la guddoon?

Naka la kawewoon?

Naka la diisoon?

diis ni 1 oto

gudd ni 2 oto yu ñu taxawal ci benn rëddgudd ni 56 banaana yu ñu topp-toppalediis ni 88 xajdiis ni 350 xaaldiis ni 92 xale yu materneldiis ni 55 xale yu lekkooldiis ni 4 uurs yu weexmënoon na daw 100 meetar ci 9,7 segond (nit ki gën a gaaw dafay soxla 9,6)

Naka la Siamotyrannus 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)

Siamotyrannus lu tollu ci 37 km/h (23 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

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

Nataalu Siamotyrannus bu ñu def ak IA — Nataal bu IA def la, muy wone ni Siamotyrannus 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 Siamotyrannus

?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

Ku tas léeb yu dul dëgg

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

Dëgg: 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

Ngir ñi xam dino lool

Turu xam-xam: Siamotyrannus
Ku ko tudde: Buffetaut et al. 19964
Kurél: Dino yuy lekk yàpp
Njaboot / klad: Metriacanthosauridae4
Klasifikasiyoŋ: Theropoda > Allosauroidea4
Màggaayu doj yi: 126 ba 121 milyoŋ at (Barremian)4
Formasiyoŋi doj: Sao Khua4
Réew yi: Taylaand4
Fosil yu ñu gis: 1 ci The Paleobiology Database4
Gisees: 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
Ñu ngi koy werante ba tey: Scientists still debate what group Siamotyrannus belongs to. It might be an allosauroid, a primitive coelurosaur, or something else entirely.1

Fa xibaar yi jóge

Siamotyrannus (en.wikipedia.org)
PBDB Taxon (paleobiodb.org)
Siamotyrannus — Grokipedia (grokipedia.com)
Siamotyrannus in The Paleobiology Database (CC BY 4.0): at, béréb yi, formasiyoŋi doj, klasifikasiyoŋ.

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