TIME SCALE
CENOZOIC ERA
QUARTERNARY PERIOD
TERTIARY PERIOD
RECENT PLEISTOCENE
PLIOCENE MIOCENE OLIGOCENE EOCENE PALEOCENE
RECENT = PRESENT TO 10 THOUSNAD YEARS AGO
PLEISTOCENE = 10 THOUSAND TO 1.8 MILLION YEARS AGO
PLIOCENE = 1.8 MILLION TO 5 MILLION YEARS AGO
MIOCENE = 5 MILLION TO 24.5 MILLION YEARS AGO
OLIGOCENE = 24.5 MILLION TO 37.5 MILLION YEARS AGO
EOCENE = 37.5 MILLION TO 54 MILLION YEARS AGO
PALEOCENE = 54 MILLION TO 65 MILLION YEARS AGO
BACK TO INTRODUCTION
BACK TO IDENTIFICATION
