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Karata ya dino No. 0020 mo go 2 027

Acrocanthosaurus

Leina le raya: “high-spined lizard”1

E jele: NamaDidino tse di jang namaTshimologo ya Cretaceous go ya go Bofelo jwa Cretaceous

Acrocanthosaurus was a huge meat-eating dinosaur that lived in North America about 110 million years ago. It had a row of tall spines along its back, neck and tail that made it look like a giant lizard with a fin. It was the biggest predator in its time, even before T. rex appeared.1 2

E tshetse

dimilione tsa dingwaga di le 121 go ya go 94 tse di fetileng4

Tshimologo ya Cretaceous go ya go Bofelo jwa Cretaceous

Difosili di fitlhetswe kwa

Oklahoma, Texas, Maryland, and possibly other southeastern states, USA2 4

Boleele

go fitlha go 12 m (39 ft)1

Bokete

go fitlha go ditone di le 2.6 (5,700 lb)2

Bogodimo

go fitlha go 4 m (13 ft)2

Bonako jo bogolo

e ka nna 28 km/h (17 mph)

Go taboga, kakanyo

E tshetse leng?

Triassic

Jurassic

Cretaceous

dimilione tsa dingwaga di le 252 tse di fetileng20114566, asteroiti

E ne e le kgolo go le kae?

E ne e le telele go le kae?

E ne e le kwa godimo go le kae?

E ne e le bokete go le kae?

bokete jaaka dikoloi di le 1.5

telele jaaka dikoloi di le 2.5 di emisitswe mo molengtelele jaaka dibanana di le 67 di latelanabokete jaaka dintšwa di le 130bokete jaaka magapu a le 520bokete jaaka diphaposiborutelo tse di tletseng bana di le 3bokete jaaka dibere tse ditshweu di le 6e ne e ka taboga dimetara di le 100 mo metsotswaneng e le 13 (motho yo o bonako go gaisa o tlhoka 9,6)

Acrocanthosaurus e ne e le kgolo go le kae fa e bapisiwa le WENA?

Ke dipalo fela mo sebatling sa gago. Ga go sepe se se bolokwang kgotsa se se romelwang gope.

E ne e le bonako go le kae?

Motho yo o tsamayang e ka nna 5 km/h (3 mph)

Ngwana mo baesekeleng e ka nna 12 km/h (7 mph)

Acrocanthosaurus e ka nna 28 km/h (17 mph)

Pitse e e sianang ka bonako e ka nna 65 km/h (40 mph)

Lengau e ka nna 100 km/h (62 mph)

dilo tse di monate

Dintlha tse di monate

Acrocanthosaurus had 68 thin, knife-like teeth in its 1.4 metre long skull.2

Its arms were each about 0.9 metres long and ended in three sharp, curved claws used to grip and tear prey.2

Fossilized footprints show that Acrocanthosaurus ran alongside its prey and then lunged, attacking like a modern lion but slower.2

Only four skeletons of Acrocanthosaurus have ever been found, making it a very rare dinosaur.2

Acrocanthosaurus lived about 110 million years ago, which is 45 million years before T. rex walked the Earth.2

Its eyes faced sideways, so it had to tilt its head to look at prey with one eye.2

Setshwantsho sa Acrocanthosaurus se se dirilweng ke AI — Setshwantsho se se dirilweng ke AI sa kafa Acrocanthosaurus e ka tswang e ne e lebega ka gone, se dirilwe ke khomputara go ya ka se borasaense ba se itseng. Ke kakanyo fela: phologolo ya nnete e ka tswa e ne e lebega ka tsela e sele, mme ga go ope yo o itseng mebala ya yona ya nnete.

o botsitse

Dipotso tse di botswang thata ka ga Acrocanthosaurus

?How big was Acrocanthosaurus?

Acrocanthosaurus was about 11 to 11.5 metres (36 to 38 ft) long and weighed between 4.4 and 8.4 metric tons (4.9 and 9.3 short tons).3 1

?Was Acrocanthosaurus bigger than T. rex?

No, T. rex was generally heavier and more robust. While length estimates are similar, T. rex was typically bulkier than Acrocanthosaurus.2

?What did Acrocanthosaurus eat?

Acrocanthosaurus was a meat-eater that preyed on dinosaurs larger than itself, like the sauropod Pleurocoelus, as well as ornithopods and ankylosaurs.2 3

?When did Acrocanthosaurus live?

Acrocanthosaurus lived during the Early Cretaceous Period, about 110 million years ago, which is 45 million years before T. rex appeared.2 1

?Why did Acrocanthosaurus have a fin on its back?

Scientists are unsure what the tall spines on its back were for. They might have helped control body temperature, store fat, or communicate with others.2 3

?How fast could Acrocanthosaurus run?

Acrocanthosaurus probably could not run very fast. Its leg bones suggest it was not a fast runner, and it attacked like a modern lion but at a slower pace.3 2

?Where was Acrocanthosaurus found?

Acrocanthosaurus fossils have been found in Oklahoma, Texas, Wyoming, and Maryland in the United States. It lived across much of North America.3 1

?Is Acrocanthosaurus related to T. rex?

No, Acrocanthosaurus belonged to a different family of dinosaurs. It was more closely related to Allosaurus than to T. rex.2

Mothubi wa ditlhamane

Tlhamane: Acrocanthosaurus is a type of tyrannosaur, related to T. rex.

Boammaaruri: Acrocanthosaurus belonged to a different family called Carcharodontosauridae, more closely related to Allosaurus. Tyrannosaurs had two fingers on each hand, while Acrocanthosaurus had three.2

Ya baitseanape ba didino

Leina la saense: Acrocanthosaurus
Leina le neilwe ke: Stovall and Langston 19504
Setlhopha: Didino tse di jang nama
Lelapa / clade: Carcharodontosauridae4
Thulaganyo: Theropoda > Allosauroidea > Carcharodontosauridae4
Bogolo jwa matlapa: 121 go ya go 94 dimilione tsa dingwaga (Aptian / Cenomanian)4
Dibopego tsa matlapa: Antlers, Cloverly, Arundel Clay4
Dinaga: Amerika4
Direkoto tsa difosili: 14 mo The Paleobiology Database4
Go fitlhelwa: Acrocanthosaurus was named in 1950 by paleontologists J. Willis Stovall and Wann Langston, Jr. The first fossils were found in Atoka County, Oklahoma, which gave the species its name atokensis.1 2
Go sa ntse go ganetsanwa: Scientists are not sure what the tall spines on Acrocanthosaurus's back were used for. They might have helped control body temperature or been used for display.2

Kwa dintlha di tswang teng

Acrocanthosaurus | Natural History Museum (nhm.ac.uk)
Frequently Asked Questions (naturalsciences.org)
Acrocanthosaurus (en.wikipedia.org)
Acrocanthosaurus in The Paleobiology Database (CC BY 4.0): dingwaga, mafelo, dibopego tsa matlapa, thulaganyo.

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