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Guide Fossil: Estromatolitos
Geological Event: Early evolution of the Earth
Climate Event : It passes from a reducing atmosphere to an oxidizing atmosphere. -
Unicellular and prokaryotes life forms in the marine environment. -
The first eukaryotic cells and the first multicellular organisms appeared. -
Guide Fossil: Tribolites Trilobites
Geological Event: Rodinia fragmented and formed the supercontinent Pangea
Climate Event: The cold climate alternated with warmer periods -
Various forms of life and the first vertebrate organisms appeared. -
Fish appeared, which were the first vertebrates that populated those primitive seas. -
The first plants without flowers colonize the terrestrial environment. -
The first vertebrates to conquer the terrestrial environment. -
They emerge from one of the evolutionary lines of amphibians. The first ones were small.
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Guide Fossil: Ammonites
Geological Event: Fragmentation of Pangea
Climate Event: Warm climate, no glaciations in this Age. -
First flowering plants appear -
Great variety of birds appear -
Guide Fossil: Nummulites
Geological Event: Formation of the polar caps
Climate Event: There were 4 glaciations -
The first human ancestors appear -
Oldest remains of homosapien
