Geological eras can be divided into periods, epochs and ages.
Eras are divided into periods.
Geologic history is divided, from largest amount of time to smallest amount of time, by eons, eras, periods, and epochs.
The Paleozoic, the Mesozoic and the Cenozoic are all divided into periods and epochs.
Eras. I think eons , too.
Geologic history is divided, from largest amount of time to smallest amount of time, by eons, eras, periods, and epochs.
Eras are subdivisions of larger units of geologic time called eons.
Fat People
There are 4 eras, and they are the Hadean, Archean, Proterozoic, and Phanerozoic eras.
Cenozoic Era
The 3 eras of geologic time is Palezozoic era, Mesozoic era, and Cecozoic era
Eras
eras and periods