Is the north Atlantic basin younger than pacific basin?

The North Atlantic Ocean basin is younger than the Pacific Ocean basin. The Pacific Ocean basin is estimated to be about 200 million years old, while the North Atlantic Ocean basin is estimated to be about 180 million years old. The North Atlantic Ocean basin was formed by the separation of the North American and Eurasian plates. This separation began about 200 million years ago, but the North Atlantic Ocean basin did not fully open until about 180 million years ago.