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The first dinosaurs appeared on earth about 250 million years ago just after the Permian-Triassic mass extinction. The Triassic dinosaurs weren't too fierce and they were mainly neutrally defensive, which means they don't attack unless provoked.

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7y ago
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15y ago

The first dinosaurs appeared 235 million years ago. All non-avian dinosaurs became extinct 65 million years ago.

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Q: When did the first dinosaurs appeared on earth?
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Related questions

Dinosaurs first appeared in what period?

Dinosaurs first appeared in the tertiary stages of the Earth. Tertiary was when the dinosaurs ruled the earth. Then there was jurassic and then creteacious


What species appeared on earth first?

dinosaurs


When did dinosaurs first start roaming the Earth?

The first dinosaurs appeared about 230 million years ago.


Who was here first Jesus or dinosaurs?

Dinosaurs appeared on the earth before Jesus according to the present evidence.


Did sharks appear when dinosaur extinct?

No. Sharks appeared on earth long before the first dinosaurs did.


Who appeared in fossils first dinosaurs or mammals?

Dinosaurs first appeared shortly before mammals did.


Were the Caveman first or the dinosaurs first?

Dinosaurs appeared on Earth long before the first humans or cavemen. Dinosaurs lived during the Mesozoic Era, which ended about 65 million years ago, while early humans appeared much later during the Pleistocene Epoch about 2.5 million years ago.


Did Cave men ride dinosoaurs?

No, cave man did not ride dinosaurs instead they walked everywhere, dinosaurs were not on earth at this time.


When did the first T-Rex appeared on earth?

T-Rex is the short form on Tyrannosaurus. The first T-Rex appeared on earth during the early Cretaceous about 137 million years ago. "T-Rex" means the king of the dinosaurs. They were carnivorous and mainly eat smaller dinosaurs.


How did dinosaurs appear on earth?

The first dinosaur's appeared on earth at about 230 million years ago. the first dinosaur was called Eoraptorc, found in Argentina and Brazil. It was a small meat eating creature. Scientist think there may be older dinosaurs out there.


First dinosaur on earth?

According to the latest scientific studies, the first dinosaurs appeared on the earth about 230 million years ago. Zupaysaurus was one of the original theropods.


Were chicken the first people on earth?

No, chickens are birds that descended from dinosaurs. The first humans are believed to have appeared in Africa about 200,000 years ago.