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Started 4 billion years ago

Ended 570 million years ago

Rise of oceans

First unicellular species

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Creation of Pangea

Life predominantly in seas

The first vertebrates appeared

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Pangea breaks down

Sinking of big land masses

Creation of basins

Dinosaurs reigned during this era

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Mountain Ranges

Rise of Occidental and Oriental Sierra Madre

Dominated by mammals, among them the primates.

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Great glacial era

Rose of the sea level (30 or 40 m)

The Homo sapiens has been dominating the Quaternary