Timeline of Environmental History - 75,000,000 Ya

75,000,000 Ya

75 Ma

• Evo : Primates : Primates Evolve
• Geo : Eurasia Continent : Forms

65 Ma

• Evo : K-T Event : The extinction of most dinosaurs

56 Ma

• Clima : Paleocene-Eocene Thermal Maximum

40 Ma

• Evo : Haplorrhini : Dry-nosed primates (apes, monkeys, and tarsiers)
• Evo : Simiiformes : Higher primates (or Simians) (apes, old-world monkeys, and new-world monkeys)

30 Ma

• Evo : Catarrhini : Narrow nosed primates (apes and old-world monkeys)

28 Ma

• Evo : Hominoidea : Apes