Triassic Triassic The Triassic () is a geologic period and system which spans 50.6 million years from the end of the Permian Period 251.9 million years ago (Mya), to the beginning of the Jurassic Period Mya. The Triassic is the first period of the Mesozoic Era. Both the start and end of the period are marked by major extinction events. The Triassic began in the wake of the Permian–Triassic extinction event, which left the Earth's biosphere impoverished; it would take well into the middle of this period for life to recover its former diversity. Therapsids and archosaurs were the chief terrestrial
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