They have not been found later than the Cretaceous period.

The area has been above sea level since the Cretaceous period.

The state was covered again by the sea during the Cretaceous period.

According to the new study, 84 percent of the insect families living in the Cretaceous period are still around.

The story begins 65 million years ago, sometime in the late Cretaceous period.

The magnolia family also goes back to the middle of the Cretaceous period.

Termites have been common since at least the Cretaceous period.

Almost 80% of the island's area is volcanic rock from the Cretaceous period.

It is supposed that this group arose in the Cretaceous period over 140 million years ago.

The animal was believed to have lived in the early Cretaceous period, approximately 120 million years ago.