During the late Paleozoic, great forests of primitive plants throve on land forming the great coal beds of Europe and eastern North America.. 
Ọ̀pọ̀ àwọn lámèyítọ́ ló sọ wípé olùkọ́ sọ̀rọ̀ rẹ̀ pẹ̀lú "Àìmọ̀kan"  