-
4500 BCE
Earth and solar system formed
-
Period: 4500 BCE to 2000 BCE
Archaeozonic
-
3700 BCE
Bacteria
-
3400 BCE
Anaerobic atmosphere formed
-
3300 BCE
Single-celled organisms with a nucleus
-
2300 BCE
Oxygen rich atmosphere formed
-
Period: 2000 BCE to 600 BCE
Protorezoic
-
1100 BCE
Multi cellular organisms
-
600 BCE
Worms
-
Period: 600 BCE to 230 BCE
Palaeozonic
-
550 BCE
Crustaceans
-
400 BCE
Fungi
-
400 BCE
Marine vertebrates
-
400 BCE
Pangaea formed
-
370 BCE
Land Plants
-
350 BCE
Insects
-
350 BCE
Land vertebrates
-
300 BCE
Pangaea moving apart
-
Period: 250 BCE to 75 BCE
Mesozoic
-
200 BCE
South America separates from South Africa
-
150 BCE
Seed plants
-
150 BCE
Birds
-
75 BCE
Primates
-
Period: 75 BCE to 1 BCE
Cainozoic