Acrocanthosaurus
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.12
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Ал канчалык чоң болгон?
Анын узундугу канча болгон?
Анын бойу канча болгон?
Ал канчалык оор болгон?
катар токтотулган 2,5 машинадай узун🍌катар тизилген 67 банандай узун
130 иттей оор🍉520 дарбыздай оор🎒бүтүндөй 3 мектеп классындагы балдардай оор🐻❄️6 ак аюудай оор🏃100 метрди 13 секундда чуркап өтмөк (эң ылдам адамга 9,6 керек)СЕН менен салыштырганда Acrocanthosaurus канчалык чоң болгон?
Браузериңдеги жөн гана математика. Эч нерсе сакталбайт жана эч жакка жөнөтүлбөйт.
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Кызыктуу фактылар
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

Эң көп берилген суроолор: 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).31
?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.23
?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.21
?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.23
?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.32
?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.31
?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
Мифти талкалоочу
Миф: Acrocanthosaurus is a type of tyrannosaur, related to T. rex.
Чындык: 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
Динозавр эксперттери үчүн
- Илимий аты
- Acrocanthosaurus
- Ат койгон
- Stovall and Langston 19504
- Топ
- Эт жечү динозаврлар
- Үй-бүлө / клада
- Carcharodontosauridae4
- Классификация
- Theropoda > Allosauroidea > Carcharodontosauridae4
- Тоо тектеринин жашы
- 121 … 94 миллион жыл (Aptian / Cenomanian)4
- Тоо тектеринин катмарлары
- Antlers, Cloverly, Arundel Clay4
- Өлкөлөр
- АКШ4
- Таш калдык табылгалары
- The Paleobiology Database боюнча 14 жазуу4
- Табылышы
- 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.12
- Дагы эле талаштуу
- 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
Фактылар кайдан алынат
- 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): жашы, жерлери, тоо тектеринин катмарлары, классификациясы.
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