The placental mammals split into their four major groups: the Laurasiatheria, Euarchontoglires, Xenarthra, Afrotheria (jan 1, 105000000 BC – dec 31, 85000000 BC)
Description:
105-85M years agoAdded to timeline:
Date:
jan 1, 105000000 BC
dec 31, 85000000 BC
~ 5883516 years