Jurassic Period 208-144 million years ago (feb 13, 208000000 BC – sep 29, 144000000 BC)
Description:
Climate: Wet and warm everywhere. No polar ice
Continental movement: Gondwana and Laurasia. Stretching and rifting begin about 150 mya
Australia: Stretching
Tasmania: Dolerite intrusion
Vegetation history: Ancient flora only – conifers, ferns, cycads, lycopods. Some of these species survive today
Added to timeline:
Date:
feb 13, 208000000 BC
sep 29, 144000000 BC
~ 5883516 years