Topic summary
Upper Triassic
Extracted from the Wikipedia article Late Triassic.
The Late Triassic is the third and final epoch of the TriassicPeriod in the geologic time scale, spanning the time between 237 Ma and 201.4 Ma (million years ago). It is preceded by the Middle Triassic Epoch and succeeded by the Early Jurassic Epoch. The corresponding series of rock beds is known as the Upper Triassic. The Late Triassic is divided into the Carnian, Norian and Rhaetianages.