The Triassic Period: The History and Legacy of the Geologic Era that Witnessed the Rise of Dinosaurs

Scientists have long attempted to understand Earth's past, and in service to that effort, they have divided the world's history into eons, eras, periods, epochs and ages. For example, the current eon is called the Phanerozoic, which means “visible life.” This is the eon in which multi-cellular life has evolved and thrived. Before this, life was microscopic (single cell).

The Phanerozoic eon is divided into 3 eras - Paleozoic (“old life”), Mesozoic (“middle life”) and Cenozoic (“new life”)....