biología By pedroyana Period: 4600 BCE to 4000 BCE Hádico Period: 4600 BCE to 541 BCE Precámbrico Period: 4000 BCE to 2500 BCE Arcaico Period: 2500 BCE to 541 BCE Proterozoico Period: 541 BCE to 1 CE Fanerozoico Period: 541 BCE to 252 BCE Paleozoico Period: 541 BCE to 485 BCE Cámbrico Period: 485 BCE to 444 BCE Ordovícico Period: 444 BCE to 419 BCE Silúrico Period: 419 BCE to 359 BCE Devónico Period: 359 BCE to 299 BCE Carbonífero Period: 299 BCE to 252 BCE Pérmico Period: 252 BCE to 66 BCE Mesozoico Period: 66 BCE to 1 CE Cenozoico