THE PALEOZOIC ERA FOSSILS OF SATUN
542 Ma ago there was an explosion of lives
starting from a few kinds of simple forms and
evolved into many forms with exoskeleton. Huge
paleo-fishe of more than 5 meters long was
swimming through the tremendous coral belt
spreading in tropical sea. Some forms of lives
evolved to live on land. The barren land had been
changed to be the thick forest-land abundant with
several kinds of animal, insects, amphibian and
reptile before their mass extinction.