1 jan 542000000 ano antes da era comum - Cambrian Explosion, 1st chordate fossils: 543 mya
Descrição:
-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.
Adicionado na linha do tempo:
Global Time Scale
Data:
