Triassic Period (jan 1, 251000000 BC – jan 1, 201000000 BC)
Description:
-No polar ice caps, shallow seas became more extensive and also became a home for reef-building corals and large aquatic reptiles-New land vertebrates appeared.
-Early mammals and dinosaurs.
Added to timeline:
Date:
jan 1, 251000000 BC
jan 1, 201000000 BC
~ 5883516 years