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The fossil records for dinosaurs end during the late Cretaceous period. This means that their numbers dwindled so low as to not leave fossil evidence. Their true extinction most like followed quickly.

This is picky, I admit, but since you asked what ERA ended the dinosaurs, I suppose you should have the answer. They died out at the end of the Mesozoic Era (which was, as noted above, also the end of the Cretaceous Period).

However, many scientists no classify birds as dinosaurs, in which case they never fully became extinct.

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12y ago

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Which period did dinosaurs appear?

The Mesozoic Era


What time era did the dinosaurs die out?

The dinosaurs died out 65.5 million years ago. That was the end of the Mesozoic era.


Were there dinosaurs in the Paleozoic Era?

No, dinosaurs did not appear until the Mesozoic Era, which followed the Paleozoic Era. Dinosaurs first appeared around 230 million years ago at the start of the Triassic period. The Paleozoic Era ended around 252 million years ago.


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What era did the first dinosaur appear in?

The first dinosaurs lived in the beginning of the Mesozoic Era (or the Age of Reptiles). Birds were amazingly discovered to be dinosaurs so dinosaurs were also alive in the Cenozoic (that's our time-the Age of Mammals) to today.


Which era did the dinosaurs live?

Dinosaurs lived during the Mesozoic Era.


What era did dinosaurs begin to exist?

in the era of awesomeness when dinosaurs were alive.


In which era did the dinosaurs lived?

Dinosaurs lived during the Mesozoic Era.


Which era could be called the age of the dinosaurs?

The era for the age of dinosaurs is called the mesozoic era.


What was the era of dinosaurs?

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Did any dinosaurs live in the Cambrian Era?

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Which era saw the emergence of dinosaurs?

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