Paleogene (Old Birth) (jan 1, 66000000 BC – jan 1, 23000000 BC)
Description:
The Paleogene period witnessed the diversification of mammals and the emergence of modern flora. It marked the transition from ancient to modern ecosystems, with notable events such as the spread of flowering plants and the evolution of various mammalian lineages.Added to timeline:
Date:
jan 1, 66000000 BC
jan 1, 23000000 BC
~ 5883516 years