Cretaceous (adjective)

1. In the science fiction novel, the characters traveled back in time to the Cretaceous period and encountered dinosaurs.

2. The comic book series features a group of superheroes fighting against genetically engineered Cretaceous creatures.

3. In the fantasy world of the story, the protagonist discovers a hidden portal that leads to a magical Cretaceous land.

4. The animated TV show follows a group of talking animals who go on exciting adventures through different time periods, including the Cretaceous era.