Cretaceous Cretaceous The Cretaceous (, ) is a geologic period and system that spans 79 million years from the end of the Jurassic Period million years ago (mya) to the beginning of the Paleogene Period mya. It is the last period of the Mesozoic Era, and the longest period of the Phanerozoic Eon. The Cretaceous Period is usually abbreviated K, for its German translation "Kreide" (chalk, "creta" in Latin). The Cretaceous was a period with a relatively warm climate, resulting in high eustatic sea levels that created numerous shallow inland seas. These oceans and seas were populated with now-extinct marine reptiles,
The Magic School Bus (video game series) has to find replacements. There are seven different places, including "Jurassic Colorado" and "Triassic Argentina". The difference from the book (The Magic School Bus: In the Time of the Dinosaurs) and the TV episode (The Magic School Bus: The Busasaurus) is that the Bus transforms into three different prehistoric animals; which is Coelophysis (for the Triassic Period), Stegosaurus (for the Jurassic Period), and Pteranodon (for the Cretaceous Period). This game has very elaborate CGI forms for the bus. Although the classroom location song has changed in the following games, the game's classroom location song is the same as "The Magic