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Period: 4600 BCE to 540 BCE
PRECAMBIAN
GEOLOGICAL EVENT: FIrst Ocean 160 ºC CLIMATE EVENT: Oxygen is created GUIDE FOSSIL: Rodinia -
3800 BCE
First unicelular form
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Period: 540 BCE to 260 BCE
PALEOZOIC
GEOLOGICAL EVENT: Pange Formation CLIMATE EVENT: HIgh CO2 levels GUIDE FOSSIL: Trilopites -
520 BCE
First most complex life form (invertebrates)
-
470 BCE
1º Lands plants (gymnosperm)
-
430 BCE
Marine invertebrates
-
400 BCE
Fish age
-
400 BCE
Amphibian age
-
270 BCE
The great extincion
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Period: 260 BCE to 65 BCE
MESOZOIC
GEOLOGICAL EVENT: Pangea breaks up CLIMATE EVENT: Large amounts of CO2 GUIDE FOSSIL: Amonites and Belemnites -
220 BCE
Appearance of dinosaurs
-
67 BCE
1º angiosperm plants (wtih flowers)
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Period: 65 BCE to 1 BCE
CENOZOIC
GEOLOGICAL EVENT: Continental drift ends and orogenic drift continues CLIMATE EVENT: Last glaciation GUIDE FOSSIL: Nummulites -
40 BCE
Age of birds
-
40 BCE
Age of mammals
-
7 BCE
1º Haminids
-
2 BCE
Homo Sapiens Appears