Korszakok By SNee Period: 2500 BCE to 541 BCE PREKAMBRIUM, PROTEROZOIKUS IDŐ millió években! Period: 541 BCE to 252 BCE PALEOZOIKUM Period: 541 BCE to 485 BCE Kambrium Period: 485 BCE to 444 BCE Ordovícium Period: 444 BCE to 419 BCE Szilúr Period: 419 BCE to 359 BCE Devon Period: 359 BCE to 298 BCE Karbon Period: 298 BCE to 252 BCE Perm
