1.   This set is a comprehensive history of Zeppelin, the ten years when the dinosaur ruled the Earth.

2.   Otherwise, dinosaurs would still rule Earth.

3.   There was a time when dinosaurs walked the Earth, and there was a time when dinosaurs ruled the GOP.

4.   Dinosaurs ruled the Earth from Alaska to Antarctica and may have looked even more bizarre than their Hollywood images, according to new studies.

5.   That, in turn, would mean separate placental lineages were well-established even as dinosaurs ruled the Earth.

6.   The last time the sun was at this exact spot of its galactic orbit, dinosaurs ruled the world.