Early Jurassic- 1974 (Wikipedia)
1974 (MCMLXXIV) was a common year starting on Tuesday of the Gregorian calendar, the 1974th year of the Common Era (CE) and Anno Domini (AD) designations, the 974th year of the 2nd millennium, the 74th year of the 20th century, and the 5th year of the 1970s decade.
- Late Triassic (Wikipedia)
The Late Triassic is the third and final epoch of the Triassic Period 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 followed 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 Rhaetian ages.