before the dinosuars
n
the Jurassic Period
Period.
Cenezoic
A period.
On the geologic time scale, an era is longer than a period. There are 12 geologic eras in total and they are composed of geologic periods. For instance, the Mesozoic era is composed of the Triassic, Jurassic and Cretaceous periods.
It is the final period of the Mesozoic era.
Geraghty Period
period.
The order of the geologic time intervals is Eon, Era, Period, Epoch.
The pangae was formed
epochs