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Megalodon have been found dating back to 25 million years ago, and as recent as only 2 million years ago. That extends from the late Paleogene period through the Neogene and into the early Quaternary. They survived for 23 million years.

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14y ago
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13y ago

The non avian dinosaurs died out at the end of the Mesozoic. That was 65.5 million years ago. However, birds, a group of dinosaurs, continue to exist to the present day.

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15y ago

Carcharodon megalodon lived from 18 million to 1.5 million years ago.

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13y ago

The Coelacanth (Latimeria chalumnae) was thought to be extinct for more than 60 million years until a live specimen was captured in 1938.

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Hope Oberreit

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2y ago

65.5

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Q: How long have dinosaurs been extinct?
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Related questions

Is there such thing as a scientist that works with dinosaurs?

Dinosaurs have long been extinct, making it impossible for scientists to work with living dinosaurs.


What type of dinosaurs live in North Carolina?

None - dinosaurs are extinct, and have been for a very long time.


Can a goat be fed to a t rex?

No, dinosaurs are extinct and have been for a long time but a tuatara has not and is a dinosaur


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Most dinosaurs were killed about 65 million years ago.


How long did it take for dinosaurs to extinct?

They aren't extict. Birds are dinosaurs.


Is extinct a noun?

No it is an adjective, extinction is the noun. Dinosaurs are extinct. The extinction of dinosaurs happened a long time ago.


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Dinosaurs


Are the dinosaurs in wonderland real?

No. Dinosaurs have been extinct for several million years.


Were dinosaurs extinct in the 19th century?

Dinosaurs became extinct millions of years ago. Dinosaurs died off long before humans came into existence.


Are triops extinct?

no not yet they have been around before dinosaurs and still not extinct


What is an a extinct animal from a long time ago?

Dinosaurs.


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They were extinct since a long time, most dinosaurs displayed in bones are in historical museums.