1 janv. 542000000 av. J.-C. - Cambrian Explosion, 1st chordate fossils: 543 mya
Description:
-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.
Ajouté au bande de temps:
Global Time Scale
Date:
