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Acrocanthosaurus

Nkombo elingi koloba: “high-spined lizard”1

Alyaki: MosuniBadino ya kolia mosuniKretase ya ebandeli kino Kretase ya nsuka

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

Azalaki na bomoi

mbula milio 121 kino 94 eleki4

Kretase ya ebandeli kino Kretase ya nsuka

Bafosile emonanaki na

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

Bolai

kino 12 m (39 ft)1

Bozito

kino 2,6 tone (5 700 lb)2

Bolai na likolo

kino 4 m (13 ft)2

Mbangu ya likolo

pene na 28 km/h (17 mph)

Kopota mbangu, kokanisa

Azalaki na bomoi ntango nini?

Triasiki

Jurasiki

Kretase

Mbula milio 252 eleki20114566, asteroide

Azalaki monene boni?

Azalaki molai boni?

Azalaki molai boni na likolo?

Azalaki kilo boni?

kilo lokola bamotuka 1,5

molai lokola bamotuka 2,5 oyo batelemi na molongomolai lokola matoko 67 oyo balandanikilo lokola bambwa 130kilo lokola bapasteke 520kilo lokola bakelasi 3 mobimba ya banakilo lokola ba-urs ya pembe 6akokaki kopota metele 100 na sekonde 13 (moto oyo aleki mbangu asalelaka 9,6)

Acrocanthosaurus azalaki monene boni soki tokokanisi na YO?

Kaka matematiki na navigatere na yo. Eloko moko te ebombami to etindami esika moko.

Azalaki na mbangu boni?

Moto oyo azali kotambola pene na 5 km/h (3 mph)

Mwana na velo pene na 12 km/h (7 mph)

Acrocanthosaurus pene na 28 km/h (17 mph)

Mpunda oyo azali kopota mbangu pene na 65 km/h (40 mph)

Nkoi ya mbangu pene na 100 km/h (62 mph)

makambo ya kitoko

Makambo ya kosepelisa

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

Elilingi ya Acrocanthosaurus esalemi na AI — Elilingi esalemi na AI oyo ezali kolakisa ndenge Acrocanthosaurus akokaki kozala. Ordinatere esalaki yango na makambo oyo bato ya siansi bayebi. Ezali kaka kokanisa: nyama ya solo akokaki kozala ndenge mosusu, mpe moto moko te ayebi balangi na ye ya solo.

otunaki

Mituna oyo batunaka mingi na ntina na 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

Mobuki masapo

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

Solo: 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

Mpo na bayebi ya badino

Nkombo ya siansi: Acrocanthosaurus
Nkombo epesamaki na: Stovall and Langston 19504
Lisanga: Badino ya kolia mosuni
Libota / klade: Carcharodontosauridae4
Klasifikasio: Theropoda > Allosauroidea > Carcharodontosauridae4
Mbula ya mabanga: mbula milio 121 kino 94 (Aptian / Cenomanian)4
Milongo ya mabanga: Antlers, Cloverly, Arundel Clay4
Bikolo: Amerika4
Bafosile oyo ekomami: 14 na The Paleobiology Database4
Ntango bamonaki yango: 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
Naino bazali kowelana: 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

Esika makambo euti

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): mbula, bisika, milongo ya mabanga, klasifikasio.

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