The Cretaceous period was the last and longest segment of the Mesozoic era. It lasted approximately 79 million years, from the minor extinction event that closed the Jurassic period about 145 ...

The Cretaceous is a geological period that began 145 million years ago and ended 66 million years ago. It is the last period in the Mesozoic Era. It comes after the Jurassic Period and before the ...

During this period, oceans formed as land shifted ... and skies would never be the same in the new era that dawned after the close of the Mesozoic era.

Due to this discovery, scientists have a greater understanding of marine reptile evolution, particularly during the Cretaceous period ... important during the Mesozoic Era. Most dinosaurs and ...

Predators at the top of a marine food chain 130 million years ago ruled with more power than any modern species, McGill research into a marine ecosystem from the Cretaceous period revealed.

The most diverse birds during the Cretaceous Period were a now-extinct group ... of trends in bird evolution toward the end of the Mesozoic Era. These birds are all larger than Early Cretaceous ...

This is a reconstruction of the prehistoric mammal Spinolestes in the Cretaceous-period Las Hoyas wetland. This image is not associated with the current study but demonstrates a dark-furred mammal ...

It is believed in its latest study that it was present during the Cretaceous period, the renowned time that succeeded the Jurassic period and the last of the Mesozoic era. In the latest study ...