Kelmayisaurus
Kelmayisaurus was a huge meat-eating dinosaur that lived in what is now China during the Early Cretaceous. It had sharp teeth and a powerful jaw to hunt other dinosaurs. Scientists think it was about as long as a school bus!1
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Сонирхолтой баримтууд
Kelmayisaurus is known from only a partial skull, including a left dentary (lower jaw bone) and part of the upper jaw.1
Its name means 'Karamay lizard' after the city of Karamay in Xinjiang, China, which is famous for petroleum.1
For a long time, scientists thought Kelmayisaurus might be a nomen dubium (a doubtful name) because its fossils were so few. But a 2011 study confirmed it is a valid genus.12
Kelmayisaurus is one of only two carcharodontosaurid dinosaurs known from Asia, showing that these giant predators lived all over the world.2
The only known fossil of Kelmayisaurus was found in the Lianmuqin Formation, which dates to between 140 and 100 million years ago.1
A supposed second species called 'K. gigantus' was mentioned in a book, but it was a mistake and actually refers to a different dinosaur called Klamelisaurus.1

Kelmayisaurus: хамгийн их асуудаг асуултууд
?How big was Kelmayisaurus?
It was about 10 to 12 meters (33 to 39 feet) long, roughly as long as a large bus.1
?What did Kelmayisaurus eat?
It was a meat-eater that hunted other dinosaurs, using its sharp teeth and powerful jaw.1
?When did Kelmayisaurus live?
It lived during the Early Cretaceous period, between about 140 and 100 million years ago.1
?Is Kelmayisaurus a dinosaur?
Yes, it is a theropod dinosaur, a type of meat-eating dinosaur.1
Домог няцаагч
Домог: Some people think Kelmayisaurus was a giant 21-meter-long dinosaur.
Үнэн: The 21-meter length came from a misidentified fossil that actually belongs to a sauropod called Klamelisaurus. The real Kelmayisaurus was about 10 to 12 meters long.1
Үлэг гүрвэлийн мэргэжилтнүүдэд
- Шинжлэх ухааны нэр
- Kelmayisaurus
- Нэр өгсөн
- Dong 19733
- Бүлэг
- Махчин үлэг гүрвэлүүд
- Овог / клад
- Carcharodontosauridae3
- Ангилал
- Theropoda > Allosauroidea > Carcharodontosauridae3
- Чулуулгийн нас
- 137 / 100 сая жил (Valanginian / Albian)3
- Чулуулгийн формацууд
- Lianmuqin3
- Улсууд
- Хятад3
- Чулуужсан олдворын бүртгэл
- The Paleobiology Database дээр 13
- Нээлт
- Kelmayisaurus was named by Chinese paleontologist Dong Zhiming in 1973 based on a partial skull found near Wuerho in the Junggar Basin of Xinjiang, China.13
- Маргаантай хэвээр
- Scientists are not sure exactly how Kelmayisaurus is related to other carcharodontosaurids, because its fossils are so incomplete.1
Баримтууд хаанаас ирдэг вэ
- Kelmayisaurus (en.wikipedia.org)
- A reassessment of Kelmayisaurus petrolicus, a large theropod dinosaur from the Early Cretaceous of China (palaeobiology.web.ox.ac.uk)
- Kelmayisaurus in The Paleobiology Database (CC BY 4.0): нас, газар, чулуулгийн формац, ангилал.
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