1 Jan 542000000 Jahr v. Chr. - Cambrian Explosion, 1st chordate fossils: 543 mya
Beschreibung:
-During the Cambrian Period there was an explosion of life forms. Most of these were in the water. Many animals without backbones lived in the shallow seas.
-It resulted in the divergence of most modern metazoan phyla. The event was accompanied by major diversification of other organisms.
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Global Time Scale
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