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the simple answer is: no.

whales are mammals that evolved in the Cenozoic era. dinosaurs predate whale evolution, and existed in the mesozoic era.

to give an idea: the last dinosaurs died out 65 million years ago.

this is the end of the mesozoic era. it's typically referred to as the K-T boundary, and the cataclysmic event that caused this extinction is usually called the K-T event. K for cretaceous, T for tertiary. that doesn't make much sense until you realize that; C is for Cambrian, and the K was chosen by German scientists.

whales are thought to have evolved from an ancestor similar to modern day hippos (this means both whales and hippos can be traced back to a common ancestor) about 54 million years ago. that's at least 11 million years after dinosaurs died out.

what can happen in millions of years? a lot.

the ambulocetus ("walking whale") formed about 50 million years ago.

the protocetus ("early whale") appears around 45 million years ago.

the basilosaurus ("king lizard") rather unfortunately named, lived between 40-34million years ago.

you can find many more forms, and as we get to 15 million years ago, you find creatures that look very similar to our toothed whales (dolphins, orca, etc.) and you find creatures that look very similar to our baleen whales (humpbacks, blue whales, etc.) by this point, all traces (aside from some vestigial bones) of legs are gone. hands look like flippers. the "melon organ" for echolocation is present.

it kind of makes you wonder what future evolution holds.

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12y ago
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14y ago

No. Dinosaurs evolved about 230 million years, whales about 50 million years ago. However, it would not be correct to say that whales came after the dinosaurs, because dinosaurs are still here in the form of birds.

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14y ago

Nope. Whales evolved from dog-like animals well after most of the dinosaurs became extinct. Though technically, dinosaurs never went extinct, since all birds are dinosaurs ;)

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12y ago

No. Dinosaurs appeared about 5-10 million years before mammals did..

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10y ago

No. Dinosaurs first appeared about 230 million years ago and died out about 65 million years ago. Mammoths first appeared about 5 million years ago.

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14y ago

after, im pretty sure

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Q: Did whales come before the dinosaurs?
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